ML19319D123
| ML19319D123 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 08/21/1978 |
| From: | Nugent R, Perkey D FLORIDA POWER CORP. |
| To: | |
| References | |
| NUDOCS 8003130687 | |
| Download: ML19319D123 (142) | |
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FLORIDA POWER CORPORATION CRYSTAL RIVER POWER STATION IMPINGEMENT STUDY MARCH 13, 1977 TO MARCH 13, 1978 FINAL REPORT PREPARED FOR FLORIDA POWER CORPORATION ST. PETERSBURG, FLORIDA BY NUS CORPORATION ECOLOGICAL SCIENCES DIVISION AUGUST 21, 1978 l
PREPARED BY
)
l DAVID N. PERK W l4SISTANT PROJECT MANAGER AND ,
i -.
af l h h
~
CHARI/ S. ' NUGENT MANAGER APPROVED BY:
ste, BARTON C. MARCY kl Y
/ PAUL V. MORGAN I MANAGER,AQUATICECOSYSTEp VICE PRESIDENT AND DEPARTMENT GENERAL MANAGER L
TABLE OF CONTENTS P,,, age LIST OF TABLES. . . .... ................. II-iii LIST OF FIGURES . . .... .............. .. . II-vi
SUMMARY
. . . . . . . . . . . . . . . . . , . . . ...... II-l INTRODUCTION. ... ... .... .. ........... II-5 DESCRIPTION OF THE SITE . ...... ........... . II-6 METHODS . . . . . . . . . . . . . . . . . . . . . . . . . . . II-7 RESULTS . . . . . . . . . ..... ........ ... .. II-12 Sp ecies occurrence . . . . . . . . . . . . . . . . . . . . II-12 Abundance and Biomass. . ..... ..... .. .... II-12 Comparisons of Impingement Rate by U.11t. ....... . . II-17 Length and Weight. ... ...... .. ......... II-18 Statistical Analysis . . ...... ........ .. . II-18 Month . . . . . . . . . . . . . . . ... . . . . . . . . II-18 Time. .... .... . ...... .. ... .... . II-19 Unit. ... ........ .... ...... .. .. II-20 Tide. . .. .. ... .............. . . . II-21 Barge Traffic . . . . . . . .... ......... . II-22 Wind. . . . . . . . . . . . . . . . . . . . . . . . .. II-22 DISCUSSION. ... . .... ...... .... ..... .. II-24 Influence of Two Larg's Collections . . . . . ..... .. II-24 Projected Impingement Losses . . . .......... .. II-24 Commercially Important Species . . ....... ... .. II-27 Comparison of CRPS Impingement' Data with Other Studies . . II-29 Statistical Analysis . . . ........... ... .. II-33 Time. ...... .. ........ .. ,. .... . II-34 Unit. ... .... .. .. .... ... ... .. .. II-34 -
Tide. . ........ ........ .. .. .. .. II-35 Barge Traffic . .. .. ... ....... .... . . II-35 Wind. . . . . . . . . . . .~. . . . ... .... . . .. II-36 Conclusions. . . . ... ............. . . . .- II-36 REFERENCES CITED. . .. .. ................. II-38 TABLES. . . . . . . . . . . . . . . . . . . . . . . . . . . . II-40 FIGURES . . ........ ................. II-102 l II-i
?
TABLE OF CONTENTS (Continued)
P, age, APPENDICES ~
II-1 Meanings of computer codes used in Appendices II-2 and II-3 . . . . . . . . . . . . . . . . . . . . . .
II-1-1 II-2 Analysis of variance for mean numbers of important finfish and invertebrates impinged at CRPS per 100 m3 of intake water . . . . . . . . . . . . . . . II-2-1 II-3 Analysis of variance for mean biomass of important finfish and invertebrates impinged at CRPS per i 100 m3 of intake water . . . . . . . . . . . . . . . II-3-1 i
II-ii 9
LIST OF TABLES Table Titla Page_
II-1 Characteristics of the cooling water intakes of the CRPS. . . . . . . . . ... .. . . . . . . . . . . . . II-40 II-2 Impingement sampling schedule . . . . . . . .. . . . . II-41 II-3 Number of 24-hr samples taken at each unit, March 13, 1977-March 13, 1978.. . . . . . . . . . . . . . ... . . II-42 II-4 71nfish taxa identified from CRPS impingement samples, Mrrch 13, 1977-March 13, 1978 . . . . . . . . . . . . . II-43 II-5 Inve--tebrate taxa identified from CRPS impingement samples, March 13, 1977-March 13, 1978. . . . . . . . . II-48 II-6 Monthly occurrence of finfish collected during impinge-ment studies, March 13, 1977-March 13, 1978 . . . . . . II-50 II-7 Monthly occurrence of invertebrates collected during impingement studies, March 13,1977-March 13, 1978. . . II-53 II-8 Rank by numerical abundance of finfish collected at CRPS, l March 13,- 1977-March 13, 1978. . . . . . . . . . . . . II-54 II-9 Rank by relative biomass of finfish collected at CRPS, March 13, 1977-March 13, 1978. . . . . . . . . , . . . . . II-55 II-10 Percentage of mean monthly catches constituted by i polka-dot batfish, blue crab, and pink shrimp. . . . . . II-56 II-11 Rank by numerical abundance of invertebrates collected at CRPS, March 13, 197 7-March 13, 1978 . . . . . . . . . II-57 II-12 Rank by relative biomass of invertebrates collected _.
at CRPS, March 13, 1977-March 13, 1978 . . . . . . . . . II-58. '
II-13 Comparison by unit of mean 24-hr catches of finfish,
. March 13, 1977-March 13, 1978. . . . . . . . . . . . . . II-59 II-14 Five species of finfish and of invertebrates contributing the greatest biomass and numbers collected each month at CRPS . ... . . . . .. ............... II-60 LII-15 Comparison by unit of mean 24-hr catches of all inverte-brates, March 13, 1977-March 13, 1978. . . . . . . . . . II-66 i
II-16 Comparison of ranking on the basis of numerical abundance and biomass of finfish and invertebrates collected at CRPS, March 13, 1977-March 13, 1978 . . . . II-67 II-111 l l
l
LIST OF TABLES (Cont'd)
Table Title P_ age, II-17 Length and biomass data for 1erportant species impinged at CRPS. . . . . ...... .. . . . . ........ II-68 II-18 Overall lengths and biomass of important species impinged at CRPS, March 13, 1977-March 13, 1978. . . . . II-80 II-19 Analysis of variance for mean numbers of finfish and invertebrates impinged at CRPS per 100 m3 / intake water. . . . . ., ............ ....... II-82 II-20 Analysis of variance for mean biomass of finfish and invertebrates impinged at CRPS per 100 m3 / intake water. . . . . .. ................... II-84 II-21 Results of Duncan's Multiple Range Test of mean numbers and biomass of finfish an. invertebrates impinged per 1003 m of intake water at CRPS during the four sampling periods. . . . . . ................... II-86 ;
l II-22 Results of Duncan's Multiple Range Test of mean numbers j and biomass of finfish and, invertebrates impinged at- l Units 1, 2, and 3, per 100J m of intake water at CRPS. . II-89 l 1
II-23 Results of Duncan's Multiple Range Test of mean numbers ;
and biomass of finfish and invertebrates impinged per 100 m3 of intake water at CRPS listed according to whether tide was increasing, decreasing, or mid-stage. . II-92 II-24 Mean numbers and biomass of finfish and invertebrates impinged per 100 m3 of intake water at CRPS listed according to whether barge traffic present or absent . . II-93 II-25 Mean numbers and biomass of finfish and invertebrates -
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impinged per 100 m3 of intake water at CRPS listed according to whether wind strong or negligible . . . . . II-94 II-26 Projected number of finfish and invertebrates impinged at CRPS, March 13,.1977-March 13, 1978 . . . . . . . . . II-95 II-27 Projected biomass of finfish and invertebrates im-pinged at CRPS, March 13, 1977-March 13, 1978. . . . . . II-96 II-28 Commercial landings of important species from the Citrus-Pasco County reporting area during 1975 and 1976. . . . . . . . . . . . . . . . . . . . . . . . . . II-97 l
l II-iv
'. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ , _ _ _ . -. , _ _ . _ _ _ _ -....__,_,,,._..,__..._._,_,m.._..-,...m._.,
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LIST OF IABLES (Continued)
Table Title M l II-29 Mean 24-hr ispingement rates of finfish at CROS Units 1, 2 and 3, CRPS Unit 2, Anclote Power Station, and :
TECO-Big Bend Power Station . . . . . . . . . . . . . . II-98 i
'II-30 Mean 24-hr impingement rates of invert,ebrates at CRPS l Units 1, 2 and 3, CRPS Unit 2, Anclote Power Station, !
and TECO-Big Bend Power Stations. . . . . . . . . . . . II-99 I i
II-31 Ranking of species by biomass impinged at CRPS and l at Anclote Power Station. . . . . . . . . . . . . . . . II-100 II-32 Ranking of species by numbers impinged at CRPS, at Anclote Power Station and at Big Bend Power Station . . II-101 ;
F m3
- 6 II-v
LIST OF FIGURES Figure Title Py II-l CRPS site plan. .......... . . . . . . . . . .
II-102 II-2 CRPS Unit 3 intake cross-section. . . . . . . . . . . . II-103 II-3 Mean monthly biomass impinged at CRPS . . . . . . . . . II-104 II-4 Total mean monthly catch of finfish and invertebrates combined. . . . . . . . ... . . . . . . . . . . . . . . II-105 II-5 Mean monthly impingement rates of finfish during the study period. . . ......... . . . . . . . . . . II-106 II-6 Mean monthly impingment rates of invertebrates during the s tudy p eric. d . . . . . . . . . . . . . . . . . . . . II-107 II-7 Comparison of operational and preoperational biomass impinged at CRPS Unit 2 . . . . . . . . . . . . . . . . II-108 II-8 Comparison of operational biomass data with that projected from preopera::ional data. . . . . . . . . . . II-109
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II-vi va- - e r -
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SUMMARY
A study of the impingement of finfish and shellfish on the intake screens of the Crystal River Power Station (CRPS) Units 1, 2, and 3 ,
was conducted between March 13, 1977 and March 13, 1978 to meet the requirements of the NRC Environmental Technical Specifications. Samples were collected during one 24 hr period each week for 51 weeks during the year. All finfish and invertebrates were identified to species, bulk-weighed, counted, and length ranges were determined. Once each month, weights and lengths of up to 30 individuals of each species of finfish and invertebrates were measured. Information on barge traffic, tidal stage, water temperature, wind, weather, and amount of seagrass was recorded with each sample.
I A total of 376,965 finfish, representing at least 106 species, were collected during the study. The mean finfish catch for the year was 7,752 individuals per 24 hr. Scaled sardine, bay anchovy, pinfish, sea catfish, and silver perch were the most abundant finfish.
The average daily catch of finfish collected during the study was" 81.5 kg per 24 hr. The scaled sardine and the polka-dot batfish were the predominant finfish, accounting for 27% and 26%, respectively of the total finfish biomass collected. No other species accounted for more than 6% of the total finfish catch.
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II-l
_ . . ,, _._ _._~ _ . _
A total of 99,108 invertabratas, rcpraccnting et lacet 45 taxc, were collected during the study. The average daily invertebrate catch was 2,005 individuals and 22.6 kg per 24 hr. The most abundant inverte-brates collected were pink shrimp, Portunus gibbesii, Metoporhaphis calcarata, and blue crab. Blue crab and pink shrimp made up the largest percentages of the total invertebrate biomass (66% and 24%, respectively).
Monthly impingement of finfish at CRPS (numbers and biomass) was greatest in December and January. The largest monthly catch of polka-dot batfish, one of the most important species throughout the study, occurred in December. Two unusually large catches of finfish (December 29-30, 1977 and January 12-13, 1978) also contr'buted to the high monthly impingement in December and January. Clupeid species, primarily scaled sardine and Atlantic thread herring, accounted for more than 50%
of the catch on these two occasions. The scaled sardine was abundant in CRPS impingement samples only on these two dates.
The numbers of invertebrates caught were high from January through March and in July and August. Pink shrimp and blue crab accounted for approximately 68% of the number of invertebrates collected during the--
January-March peak and for about 30% during the July-August peak.
Invertebrate biomass was highest in September samples, when approxi-mately 92% of the biomass collected was made up of blue crab. Biomass of impinged invertebrates was also high in January, April, and November.
l-Pink shrimp and blue crab constituted more than 89% of the biomass l
l impinged per 24 hr during these months.
l II-2 1
Tha tot:1 projcceed impingement for tha y0cr et CRPS was catimated to be 2,651,402 finfish and 271,402 invertebrates weighing a total of 35,662 kg. This estimate includes the large number of clupeids col--
lected on two dates in December and January. The dominant species on these two dates, the scaled sardine and the Atlantic thread herring, are not of commercial importance in the Citrus-Pasco County area. The large numbers impinged at CRPS during the two sampling dates probably did not damage the natural populations of the CRPS area because of large clupeid populations available nearby for recruitment (the Gulf of Mexico) and because of their higli fecundity and rapid growth (Texas Instruments 1977).
Blue crab and pink shrimp were the major commercially important species among the species making up a large percentage of the biomass collected at CRPS. The estimated total biomass of blue crabs and pink shrimp impinged for the year at CRPS represent approximately 0.5% and I l
1.0%, respectively, of the total commercial catch for the Citrus-Pasco l
county area.
The flow rate of cooling water at CRPS doubled with the addition . -
of Unit 3 and a comparison of operational with preoperational data shows that the impingement rate also increased. Actual numbers and biomass impinged at CRPS were highest at Unit 3 and lowest at Unit 1.
Flow rates and' impingement rates at the Anclote and Big Bend Power Stations were lower than those at CRPS. At the Cedar Bayou Generating II-3
Station, Texas, which has a flow rate similar to that at CRPS, impinge- I ment of finfish was higher than at CRPS.
An analysis of variance and multiple range tests were performed on mean nm.bers of individuals and biomass of 45 important finfish and invertebrate species and groups impinged per 100 m of intake water. ,
Factors analyzed were month, time of sample collection, plant unit at which samples were taken, tide stage, presence or absence of barge traffic, and strength of wind during sampling. Mean numbers and biomass ,
l of most species and groups tested were significantly different in different months and at different units. Impingement of both numbers and biomass per 100 m of intake water was greatest at Units 2 and 3 and lowest at bait 1 for most species and groups.
Impingement of numbers of individuals and biomass of most species and groups was highest during dusk and night samples and lowest in day samples. The impingement of three fish species was greatest during flood or ebb tide, and lowest at mid tide. Impingement of invertebrates as a group and of six invertebrate species was significantly greater in samples taken during ebb tide than in samples taken during flood or mid tide. The impingement of the group "all organisms" and of seven fish and three invertebrate species was greater in samples taken when barges were moving. Presence or absence of strong wind during sample collection was a significant factor in the impingement of seven fish species and two invertebrate species.
l II-4
INTRODUCTION The impingement scudy conducted by NUS Corporation at Florida Power Corporation's (FPC) Crystal River Power Station (CRPS) was designed to fulfill the requirements of the NRC Environmental Technical Specifi-cations. The obj ectives of the study were to estimate the biomass, number, and taiconomic composition of finfish and shellfish impinged on the intake screens of each unit and to identify seasonal and diurnal patterns of abundance and biomass of the impinged organisms.
This report includes a description of the methods used during the study as well as a presentation and discussion of the results, including statistical analyses. The effect of impingement losses on local fish and invertebrate populations, particularly those of commercial and recreational importance, is considered. The evaluation of the effect of impingement losses includes a comparison with some other operating power stations.
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J II-5
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DESCRIPTION OF THE SITE CRPS is situated approximately 112 km north of Tampa, Florida and about 12.km northwest of the town of r ital River. The site is adja-cent to the Gulf of Mexico and is bs .ed by areas of saltmarsh to the north, south .and west and by uplands to the east. The water in the immediate vicinity of CRPS is shallow (<3 m) except at the intake and discharge canals. The intake canal, located south of the site, extends offshore to the west approximately 8.3 km. This canal is approximc.cely 6 m deep and serves as a channel for coal and oil barges that servine the station. The canal terminates at Unit 3 (Figure II-1). To the j l
west, there is large turning basin for the oil and coal barges. Coal barges also maneuver directly across the intake canal from Units 1 and
- 2. The cooling water from all three units is discharged into a canal i l
north of the station.
The intakes of Units 1 and 2 are contained in a common structure.
The screen wasa from these units is discharged to a common sluiceway but the sluiceway is graded so that the screen wash from each unit is collected in a separate trash basket. Little mixing of material from "
the two units is believed to occur in the sluiceway. The Unit 3 intake is separate from that of Units 1 and 2. Material washed from the screens of Unit 3 is collected in a single trash basket. Character-istics'of the intake of each unit are given in Table II-l and a diagram e
of the intake structure of Unit 3 is shown in Figure II-2. The structures of the intakes at all three units are similar, although the intake water flows and velocities vary.
II-6 .
______.______ _ __ _ - ___ _ - - - - - - . - - - - - ---- * * ~ ' - - - - - - - ' - ' * " -
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METHODS Organisms were collected a*. Units 1, 2, and 3 for one 24-hr period each week between March 13, 1977 and March 13, 1978 (Table II-2),
except during the week of April 18, 1977 when large numbers of cteno-phores, (comb-jellies) in the intake area prevented quantitative sampling.
The number of 24-hr sampling periods for each unit in each month is presented in Table II-3.
The day of the week on which sampling was conducted was chosen from among six possible days (Monday through Saturday) by use of a random numbers table. During each 24-hr sampling period, samples were taken at each unit at o-hr intervals for a total of four samples per unit. The traveling screens were rotated so that each sample contained the organisms impinged during the 6-hr interval immediately preceding the collection. The screens on Units 1 and 2 were cleaned at 0900 hr (the beginning of the first sampling interval) and then rotated every six hours so that collections could be made at 1500 hr, 2100 hr, 0300 hr, and 0900 hr. Unit 3 was first cleaned at 1000 hr and sampled at 1600
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hr, 2200 hr, 0400 hr, and 1000 hr. The time intervals were chosen to -
represent day, dusk, night, and dawn.
This sampling schedulu vas followed as closely as possible without interfering with normal plant operations. If it became necessary to clean the screens before the end of a 6-hr sampling period, the material washed from-the screens at this time was retained in the collection II-7
baskets and counted with other organisms obtained during that sampling period. To asst..e that all organisms were washed from the screens, the screen-wash system was operated for 30 r.in for the collection of a sample.
Samples were collected in baskets placed over the trash baskets at the end of 'the screenwash sluiceways. The collection baskets consisted of fiber-glassed wooden frames with 15 mm stainless steel wire mesh sides and bottoms. Window screening (approximately 2 mm mesh) lined the collection baskets. On several occasions, the window screening was removed and the sample was filtered through the larger (15 mm) mesh
. screen because of excessive clogging with debris or ctenophores.
All finfish and macroinvertebrates were separated from sea grass and other debris at the time of sampling. All finfish and the larger macroinvertebrates were sorted and identified to species, counted, and I l
weighed. The largest and smallest individuals of each species were measured at a laboratory on site. Smaller macroinvertebrates were bagged and frozen for later processing in the NUS Dunedin laboratory.
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Length (standard length for finfish, greatest carapace width for crabs / .
total length for shrimp) was measured to the nearest millimeter. Weights for each species were measured to the nearest 0.1 g on an O'Haus Model
.310 Dial-O-Gram balance or an O'Haus Model 2610 triple beam balance.
In.several instances, very large numbers of organisms were collected in a single sample. On'thete occasions, a subsample was taken and II-8
prec =ced cc dOccrib d ebsvo cnd tha remaining orgtnisms wera bulk-
. weighed. The total number of individuals of each species and their mean weights were then estimated from these data. On several other occasions l when large numbers of a single species were collected, subsamples were taken in the same manner.
Once each month, up to 30 individuals of each species from one randomly selected sample at each unit were weighed and measured. When a large number of individuals of one species was collected, a maximum of l
30 were randomly selected to be weighed and measured. The remaining l individuals of that species were then counted and bulk-weighed.
i 1
Finfish and macroinvertebrates were identified to the lowest possible taxon. Taxonomic references used for finfish identification l i
included Dahlberg (1975), Hoese and Moore (1977), Parker (1972), and Walls (1975). Nomenclature f allowed American Fisheries Society (1970).
Identification of invertebrates followed Abbott (1968), Camp (1973),
Farfante (1969), Wass (1955), and Williams (1965). Representative specimens are maintained in the NUS Dunedin laboratory.
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Data on barge traff.'.c, tide stage, water temperature, wind, weather, and the amount of sea grass in the sample were recorded each time a sample ~was collected. Tide level was determined from a continuous tide recorder at Units 1 and 2. Plant operation data (number of pumps or screens operating) were also recorded.
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II-9
O An analysis of variance (ANOVA) of the impingement data was per-formed to assess the effects of certain physical and biological factors.
The ANOVA provides a statistical test for both mean differences among l certain effects and a comparison of the variability for specified effects.
Both the numbers and biomass of 45 species or groups of species were tested in the analysis. Species of sports or commercial importance, as well as those which were abund-ant in or constituted a large percentage of the biomass in impingement samples were selected for analysis.
The numbers and biomass of finfish and invertebrates impinged per 100 m of water entering each unit were used in the ANOVA to standardize the data for differen es in flow among units and sampling times. The standardized numbers and biomass of the organisms impinged were sub-jacted to the common logarithmic transformation (Y = log 10( }l *I ""
statistical analyses. This transformation is us d to stabilize the variance (Snedecor and Cochran 1968) and is one of the most commonly used transformations (Scheffe 1970).
The sources of variation in the ANOVA and their respective degrees _
of freedom were as follows:
/
Source of Degrees of Variation Freedom Month 11 Day: Month 89 Time 3 Unit 2 Tide 2 Barge 1 Wind 1 Remainder 418 II-10
The hypotheses tested for each source of variation in the analyses of variance were:
o Month - the mean differences among the twalve months are equal o Day: Month - the variability among the days within a month is not equal to zero o Time - the mean differences among the four sampling times (i.e., day, dusk, night, and dawn) are equal. .
o Unit - the mean differences among the three units are equal.
1 c Tide - the mean differences among the three tide stages (i.e. , increasing, decreasing, mid) are equal l l
o Barge - the mean difference between presence and absence of barge traffic is equal o Wind - the mean difference between strong and negligible wind is equal.
If time, unit, or tide was shown by the ANOVA to be a significant source of variability in the numbers or biomass of a species or coup, a Duncan's Multiple Range Test (Duncan 1955) was performed to determine which means were significantly different from each other.
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RESULTS Species Occurrence At least 106 species of finfish from 54 families (Table II-4) were collected at CRPS during the study year. Invertebrates representing at ,
least 45 taxa belonging to at least 19 families from six orders (Table II-5) were also collected. Fourteen fish species were collected every month: shrimp eel, bay anchovy, gulf toadfish, polka-dot batfish, tidewater silverside, lined seahorse, dusky pipefish, chain pipefish, pigfish, pinfish, spot, scrawled cowfish, southern puffer, and striped burrfish (Table II-6). In comparison, 16 species of fish were taken during only one month. Twelva invertebrate species were found every month: squid, pink shrimp, blue crab, stone crab, mantis shrimp, Trachvpenaeus constrictus, Alpheus heterochaelis, Palaemon floridanus, Portunus gibbes11, Panoceus herbst 11, Libinia dubia, and Metoporhaphis calcarats (Table II-7). Nine invertebrates were collected during only one month. No rare or endangered species were collected during the study.
Abundance and Biomass ..
'A total of 376,965 finfish were collected at CRPS during the samp1-ing year. The mean daily finfish catch for the year was 7,752 indivi-duals per 24 hr. Eleven species of finfish had total catches for the study exceeding 2,000 individuals (Table II-8). These species accounted for approximately 94% of the total number of finfish collected during II-12
the study. The most abundant finfish were the sca1x1 sardine (166,420 individuals, 44.1% of the total), bay anchovy (57,356, 15.2%), pinfish (30,077,-8.0%), sea catfish (29,077, 7.7%) , and silver perch (26,831, 7.1%). .
The mean bicaass of finfish collectad during the study was 81.5 kg per 24 hr. The scaled sardine .and the polka-dot batfish made up the largest portion of total finfish biomass taken in the samples: 1,226.9 kg (27% of the total) and 1,176.7 kg (26%), respectively (Table II-9).
Other fish species ranked among the top five in biomass collected during the set.dy were sea catfish (239.8 kg, 5.3%), silver perch (178.3 kg, 4.0%), and pinfish (165.3 kg, 3.7%). Although the scaled sardine ranked first in both numbers of individuals and biomass collected during the study, it -was abundant during only two of 51 sampling dates. The bay anchovy, whiuh ranked second in abundance, was eighth in total biomass.
In contrast, the polka-dot batfish was seventh in order of abundance but :
i ranked second in total biomass.
If the scaled sardine and Atlantic thread herring which constituted ,
i a large portion of the biomass impinged on only two of 51 sampling dat'e's .. ,
are discounted, polka-dot batfish, blue crab, and pink shrimp make up a large portion of the impinged biomass (Table II-10) (Figure II-3).
These three species combined account for 59% of the total biomass impinged yearly. Polka-dot batfish accounted for 32%, blue crab fo:
20%, and pink shrimp for 7% of the total catch. During nine months of 1
the year these three species account for over 59" of the biomass and 1
II-13 l
s
L during five months the portion made up by these species exceeded 80%.
During January and February, these species made up only 28% and 12%,
respectively, of the total biomass collected.
When the scaled sardine and Atlantic thread herring are e14m4= ted from the calculations, sea catfish and silver perch make up most of the biomass collected during January, and the sea catfish also dominated the catch by numbers that 7.onth. During February the species mking up the greatest biomass impinged were bay anchovy, pinfish, and Atlantic stingray. .
A total of 99,108 invertebrates were collected at CRPS during the study. This represents a mean catch of 2,005 individuals per 24 hr for .
the study. Ten invertebrate species had total catches for the study exceeding 1,000 indiv4'uals (Table II-11). These species made up approximately 96% of the total invertebrata catch. The pink shrimp was the most abundant invertebrate in the impingement samples: 39,566 individuals or 39.9% of the total. Other abundant invertebrates were Portunus gibbesii (17,744, 17.9%); Metoporhachis calcarata (12,510, 12.6%), and blue crab (10,070, 10.2%).
The mean invertebrate biomass collected during the study was 22.6 kg per 24 hr. The invertebrate which made up the largest portion of the catch by weight was the blue crab (715.6 kg, 65.7% of the total),
followed by pink shrimp (260.2 kg, 23.9%), Portunus gibbesii (43.0 kg, 3.9%), and squid (26.7 kg, 2.5%) (Table II-12).
II-14
Monthly mean entches of numbara (individualc per 24 hr) and biomasa E
(kg per 24 hr) of all organisms (finfish and invertebrates) are shown in Figure II-4. The mean number of individuals impinged was highest from December through March whereas mean biomass impinged was highest only in December and January.
i The highest monthly finfish impingement (both numbers of individuals and biomass per 24 hr) occurred in December 1977 and January 1978 (Tables II-13 and Figure II-5) . Large numbers of clupeids (primarily scaled sardine),'which were collected only during two sampling dates, one each month, contributed greatly to this peak. Clupeids comprised i
about 65% of the biomass and 88% of the numbers of finfish collected during December and accounted for approximately 56% of the biomass and 57% of the numbers of fish collected in January. Mean impingement of finfish was lowest in September and October for numbers of individuals (386 and 568, respectively) and in May for biomass (8.8 kg).
The polka-dot batfish constituted the greatest finfish biomass during nine months, it was among the five species contribut.ing the greatest biomass impinged -in all months except February (Table II-14),- .
and it was one of the five most abundant species during ten months.
December was the peak month of impingement for polka-dot batfish biomass (42.5 kg per 24 hr) and numbers (501 individuals per 24 hr). Other species ranking among the top five by biomass during five or more months were pinfish, striped burrfish, silver perch, and scrawled cowfish.
- Pinfish, silver perch, and bay anchovy were among the five most abundant species in five or more months.
II-15
Largest numbers of invertebrates were impinged in January (5,178 individuals per 24 hr), Vebruary (2,961 individuals per 24 hr), and March (2,771 individuals per 24 hr) (Table II-15 and Figure II-6). A smaller peak in invertebrate numbers impinged occurred during July and August (2,943 and 2,740 individuals per 24 hr). Pink shrimp and blue crab accounted for approximately 68% of the numbers of invertebrates impinged during the January-March peak and for about 30% during the July and August peak. Invertebrate biomass was greatest in September samples (39.3 kg per 24 hr) (Table II-15 and Figure II-6). About 92% of the biomass was blue crab. Biomass of impinged invertebrates was also large in April, January, and November. At these times, pink shrimp and blue crab constituted approximately 98%, 90%, and 89% of the biomass, respectively. Invertebrate impingement was lowest in May for numbers of individuals (426) and in June for biomass (6.3 kg).
Blue crab and pink shrimp were the most abundant invertebrate species during the sampling year (Table II-16). Pink shrimp was one of
-the five dominant species by both biomass and numbers during each month, ranking first or second in biomass during seven months and first or _
second by numbers during nine months (Table II-14). The blue crab ranked among the five most abundant invertebrates all months except February and, in terms of biomass, ranked first or second every month.
Portunus gibbesii.was among the top five invertebrate species (biomass and numbers) during eight months of the study (Table II-14) .
Other species occurring among the top-ranked invertebrates for five or II-16 .
more months were stone crab and brief squid (biomass) and. Trachypenaeus constrictus (numbers).
Comparisons of Impingement Rate bv Unit A comparison by operating unit of the number and biomass of all finfish and all invertebrates collected during sampling is presented in Tables II-13 and -15. The flow rate of intake water into Unic 3 approxi- '
mately equals that of Units 1 and 2 combined (Table II-1). Unit 3 had the highest mean 24-hr impingement in terms of both numbers and biomass 1 for finfish and invertebrates during the study period. Units 2 and 1 ranked second and third, respectively. The means of numbers and biomass of all organisms impinged per 1003m of intake watar were not signifi-cantly different (P <0.05) between Units 2 and 3 but the mein numbers 3
and biomass impinged per 100 m at Unit 1 were significantly lower than those of Units 2 and 3 (see Statistical Analysis below) . The proportion of the finfish impinged at CRPS occurring at Unit 3 appears to be lower during the warmer months. Although less pronounced, a similar trend is apparsat for invertebrates.
4 The mean numbers of finfish impinged at Unic 3 was highest during December (23,479 individuals per 24 hr) and mean biomass of finfish impinged was greatest during Jar.uary (196.6 kg per 24 hr). Monthly mean impingement of finfish numbers and biomass for Units 1 and 2 was also highest in January.
l l
II-17
For all three units, the mean numbers of invertebrates impinged was highest during January. The mean biomass of invertebrates impinged by Unit 3 was highest during November and April. At Unit 1 the highest mean biomass of invertebrates was impinged in January and at , Unit 2 invertebrate biomass was greatest during September.
Length and Weight The mean and ranges of length and weight for species considered important (commetetally, numerically, or by biomass) are presented for one sampling date each month in Tables II-17. A summary of these data for the sampling year can be found in Table II-18.
Statistical Analysis The results of the analysis of variance (ANOVA) of CRPS 1977-1978 impingement data are summarized in Tables II-19 and -20. The complete ANOVA is given in Appendices II-1, -2, and -3.
~
Month The differences among months of standardized mean numbers impinged at C2PS were significant (P <0.05 or P <0.01) for all species tested
- except sheepshead and striped mullet and for all groups tested except grunts. The differences among months of mean numbers of the two species of grunts found during the study, white grunt and pigfish, were significant II-18 4
7 when analyzed separately. The differences in mean biomass impinged during the twelve months of the study were significant for all species and groups tested except sheepshead.
Time The time of day the sample was collected was a significant source of variability for standardized numbers and biomass of finfish as a group, for numbers of individuals of 18 of the 29 fish species and groups tested, and for the biomass of 19 species and groups. Numbers of finfish impinged per 100 m of intake water were significantly higher (P <0.05) in samples collected during the dusk and night sampling periods than they were in samples taken during the dawn and day sampling periods (Table II-21) . Mean biomass of finfish impinged in samples collected during dusk was significantly greater than in samples collected at night. Biomass of finfish collected during the dawn or day sampling periods was significantly less than that collected at night.
Most of the species and groups of finfish for which time was a significent source of variability showed trends in b'oth numbers and -
biomass similar to those described for finfish as a group. Mean numbers of individuals of nine of the fish species for which time of sample collection was a significant source of variation were higher in dusk samples than in those taken in any other sampling period. For ten of l the species, biomass was greater in dusk samples than in samples from i other sampling times (P <0.05). Night samples contained significantly
, more individuals of bay anchovy than samples from any other sampling
, II-19
period. The mean number of individuals of seatrout impinged during night samples was higher than dawn and dusk means, although only the differences between the night and dusk samples were statistically significant (P <0,05). The mean biomass of bay anchovy, silver perch, and spotted seatrout was significantly higher in night samples than in samples from other time periods.
Numbers and biomass of all fish species and groups except striped mullet and the group " mullets" were lowest in day samples. The mullets were the only finfish --hed which showed highest mean biomass in day samples.
Mean numbers and biomass of all invertebrates were lowest in day samples, higher in dawn samples, and highest in night and dusk samples (Table II-21) . All invertebrate species for which mean numbers or biomass were significantly different in samples taken during different sampling periods had greatest numbers or biomass in night or dusk samples and lowest numbers in day or dawn samples.
Unit The ANOVA indicated that differences between mean numbers of 3
individuals impinged per 100 m of intake water at the three units at CRPS were significant (P <0.05) for 22 of the 29 finfish taxa tested and for mean biomass of 20 of the finfish species or groups. The mean
. number of individuale of all finfish impinged .c Units 2 and 3 were not significantly different, but they were both significantly greater than l
II-20
tho mean number imping:d et Unit 1 (Tfrio II-22). h an bioscu of finfish impinged at Unit 2 was greater that that impinged at Unit 3 which, in turn, was greater than that impinged at Unit 1 (P <0.05) . The
, lowest mean biomass was impinged at Unit i for 17 of the 20 fish species and groups for which unit was a significant source of variation; lowest mean numbers occurred at this unit for 20 of the 22 fish species and
. groups. ,
3 Mean number of invertebrates impinged was higher at Unit 2 than at Unic 3 and was higher at Unit 3 than at Unit 1 (P <0.05). The mean 4
biomass of invertebrates impinged was highest at Unit 3 and lowest ,
at Unit 1. Differences between these means were also statistically significant. The lowest impingement (mean numbers and biomass per 3
100 m of intake water) of most invertebrates for which differences 1
between units were significant occurred at Unit 1.
Tide Differences between mean numbers of scaled sardine and silver jenny impinged during the three tide stages were significant.
Differ-ences betwaen mean biomass of scaled sardine and crevalle jacx impinged' during the three tide stages was also significant (Table II-23). For these three fish species, greater numbers or biomass were impinged during ebb or flood tide than during mid tide. Tide stage was a significant source of variability for numbers and biomass of invert-brates as a group as well as for the following species: mantis shrimp l-(numbers only), pink shrimp, Trachypenaeus constrictus, blue crab, II-21
Portunus gibbesti, and Metoporhaphis calcarata. The mean numbers and biomass of all these invertebrates species and groups were highest in samples taken during ebb tida.
4 Barge Traffic For eleven species or groups the means of numbers of individuals J
impinged in samples taken when barges were moving in the intake canal were significantly greater than in samples taken when barges were 1
absent or not moving (docked barges were considered absent). These eleven species or groups included seven species of finfish (polka-dot I batfish, spotfin mojarra, silver jenny, white grunt, Atlantic spadafish, scrawled cowfish, and striped burrfish), three invertebrate species (brief squid, Trachypenaeus constrictus, and Portunus gibbesii), and the group "all organisms" (Tables II-24). For all the same species except silver jenny, mean biomass was significantly higher in samples taken l
when barge traffic was present in the intake canal than it was in l
samples taken when barges were absent. The biomass of the group fin-4 fish and of stone crab were also significantly higher in samples taken when barges were moving. _
Wind l l
Differences in mean numbers or biomass of seven fish species and two invertebrate species were significtut between samples taken when wind was strong versus when wind was negligible (Table II-25). Impinge-I ment of sheepshead (numbers and biomass), Palaemon floridanus (biomass),
-and Alpheus heterochaelis (numbers and biomrss) was significantly greater II-22
when the wind was strong. For polka-dot batfish (biomass), silver perch (numbers and biomass), striped mullet (biomcss), ocellated flounder (numbers and biomass), southern puffer (numbers), and striped burrfish (biomass), impingement was significantly greater in samples taken when the wind was negligible than in samples taken when the wind was strong.
4 i
e
=
e d
II-23
DISCUSSION
. Influence of Two Large Collections During two sampling periods (December 29-30, 1977 and January 12-13, 1978), large numbers of fish . ware impinged. The catches consisted -
pid arily of scaled sardine and Atlantic thread herring. In January, large numbers of sea catfish were also impinged. On December 29-30, approximately 103,000 scaled sardines weighing approximately 647 kg and 7,000 Atlantic thread herring weighing 58 kg were impinged during the 24-hr sampling period. In December the largest catch occurred at Unit 3 between 1615 and 2230 hr, when approximately 68,000 clupsids weighing 376 kg were impinged. On January 12-13, the catch consisted of approxi-mately 62,000 scaled sardines weighing 566 kg, 4,000 Atlantic thread herring weighing 72 kg, and 19,000 sea catfish weighing 166 kg. In January the largest catch occurred at Unit 3 between 1650 and 2245 hr when 66,000 clupsids weighing 236 kg and 6,000 sea catfish weighing 52 kg were impinged.
. Large catches of schooling fish such as the scaled sardine and the' j Atlantic thread herring occur pericdically at CRPS. However, these large catches occurred during only two of the 51 days studied. The inclusion of these large numbers of clupsids, which are not usually abundant in CRPS samples, in the calculation of the overall mean catch at CRPS may bias the estimate. A mean calculated without these clupeids may also b2 informative and more representative of most catches at CRPS.
l l II-24
The mean catch of all organisms in kg per 24 hr for the entire study was calculated both with and without the two large clupeid catches that occurred in December 1977 and January 1978. When calculated with clupeids included, the mean catch was 104.1 kg per 24 hr (Tables II-13 and II-15). If the clupeids are excluded frcm the calculations for the two dates *on.which they were unusually abundant, the mean impingement is reduced to 72.2 kg per 24 hr. Thus, two unusual events produce a 31%
difference in the overall mean. Sea catfish were also abundant during tte January 1978 sampling period when the clupeids were abundant. They w are not excluded from the ca'.culations because they were abundant during other sampling periods.
Atlantic thread herring apparently make local temperature-induced migrations (Springer and Woodburn 1960). Springer and Woodburn (1960) collected scaled sardine in waters as cold as 16.80C, but two cold-d1 killed specimens were found after a cold snap when the water temperature reached 130C. At CRPS, the two large clupeid catches followed cold ;
snaps during which the water temperature dropped rapidly. On December I l
21-22, 1977, the lowest water temperature was 14.40C, and by December _
29-30 the water temperature had dropped to a low of 10.70C. The.
following week the minimum water temperature was 12.00C. On January 12-13, when the second large catch was impinged, the water temperatura l
had reached a minimum of 10.5 C.
I II-25
The impact of the loss of the clupeids impinged in December and January at CRPS is small because the scaled sardine and the Atlantic thread herring are abundant in the Gulf of Mexico and Tampa Bay area and the numbers and biomass of clupeids impinged at CRPS during December and 1
January probably only represent a small percentage of the local popula-l tions. Scaled sardines were taken by the tens of thousands in Tampa Bay by Springer and Woodburn (1960), who also report that commercial i
fishermen consider the Atlantic thread herring to be the most common clupeid in the Gulf of Mexico. In addition, a large population of clupsids is available nearby in the Gulf of Mexico for recruitment.
These species also have high fecundity and grow rapdily (Texas Instrument 1977). Scaled sardine and' Atlantic thread herring are not of major commercial importance in the Citrus-Pasco County area (Florida DNR 1975, United States Department of Commerce 1978), although the Atlantic thread herring may be of importance in other areas where it is used as feed for aquaria and as fish meal.
Information on the life histories of these clupeids and most of the i other fish caught in the CRPS study may be found in the Efe history -
addendum to the " Fish Studies for the Anclote Power Station Postopera-tional Ecological Monitoring Program" (Texas Instruments 1977).
Projected Impingement losses Yearly impingement at CRPS was estimated by s"-4"g the products of the monthly mean numbers or biomass impinged per 24 hrs and the number i
II-26
of days per month. The total projected impingement for the year was estimated to be 2,651,402 finfish and 271,402 invertebrates weighing a total of 35,662 kg. The two large clupsid catches were included in these estimates. Monthly projected impingement rates for finfish and in vertebrates are shown in Tables II-26 (numbers) and II-27 (biomass) .
Peak impingement in terms of biomass and numbers occurred in December and January. During these two months, 58% of the total biomass and 64%
of the total numbers of finfish were impinged. Impingement during these two months also accounted for 49% of the biomass and 56% of the numbers of all organisms impinged. Most of the biomass and numbers impinged in December and January were due to two large catches of clupeids. The months of lowest total biomass impingement were October and May. May, June, and October, were the months with the lowest numbers of organisms impinged.
Commercially Important Species Commercially important species were defined in this study as those species with a value exceeding $1,000 in the commercial catch for the -
i Citrus-Pasco area in 1975 (Florida DNR 1975). Ten species impinged at CRPS mot this criterion: blue crab, striped (black) mullet, crevalle jack, stone crab, spotted seatrout, grunt, pink shrimp, sheepshead, black seabass, and gray snapper (Table II-28). The most important species economically for the Citrus-Pasco area were blue crab and striped l mullet; over 1.5 million pounds of each of these species were caught in i
both 1975 and 1976 (Florida DNR 1975, United States Department of II-27 i
y _ _ . , _ _ _ , , , _.- - _
Commerce 1978). It is estimated that the CRPS will impinge 5,354.4 kg
, per year of blue crab. This represents approximately 0.5% of the blue crabs taken commercially in the Citrus-Pasco county area in 1976. The peak months of blue crab impingement were September (36.8 kg per 24 hr),
April (27.1 kg per 24 hr), and November (24.3 kg per 24 hr). The months of lowest impingement were February (1.8 kg per 24 hr) and January (2.4 kg 24 hr). Mullet, the sixth most valuable finfish caught in Florida in 1976, was not impinged at CRPS in sufficient numbers or biomass to affect the cotanarcial fishery.
Comparison of the biomass of shrimp impinged at CRPS with that of the commercial catch is difficult. Because of the large area fished by shrimp tr alers, shrimp taken in the Citrus-Pasco area may be sold at docks in different counties. The commercial scrimp catch is also divided into bait shrimp and edible shrimp caught it. various areas (e.g., upper west coast, central west coast, Tortugas). Impinged shrimp represent all size classes. To facilitate comparison with impingement data, bait shrimp data were combined with data on shrimp from the central west coast landed in the Citrus-Pasco area. Based on the total _.
of 260.2 kg of pink shrimp taken in the CRPS impingement study, total annual impingement of pink shrimp would represent approximately 1,575.5 kg per year or 1.0% of the commercial catch for the area. The greatest biomass of pink shrimp was caught in January (25.7 kg per 24 hr),
followed by March (13.3 kg per 24 hr). Shrimp impingement was lowest in June (0.2 kg per 24 hr) and October (0.4 kg per 24 hr). i 1
i II-28
l Since the estimated annual impingement of pink shrimp and blue crab at CRPS represents 1% or less of the local commerical catches, the plant is probably not competing with the commercial shrimp or blue crab fishery. The re==4ning seven commercially important species were impinged in low numbers during the 1977-78 study period, ar inter-farence with the commercial fishery is unli'cely.
Comparison of CRPS Impingement Data with Other Studies Data from the preoperational impingement study (1973-1974) at CRPS may be compared to data from the operational study (1977-1978) to determine if overall trends and impingement rates are consistent in different years. Samples were taken weekly only at Unic 2 during. the preoperational study. Figure II-7 shows the mean biomass impinged per 24 hr each month at Unit 2 during the preoperational and operational s studies. The overall trends for the two years appear sf 41mr. Opera-tional means are higher than preoperational means during six of the ten months that can be compared. The overall mean biomass of all organisms impinged at Unit 2 during the preoperational study was 29.0 kg per 24 hr. -
and during the operational study the mean was 22.7 kg per 24 hr. ~Both means were calculated excluding unusual and rare coJ1 actions of extremely large numbers of schooling fish. The comparison of these means may be misleading, however, since Unit 2 was shut down during November and December of the operational study, and may have been shut down for periods during the preoperational study.
4 II-29 -
Values for_these two months were among the highest values for mean monthly biomass nginged at Units 1 and 3 during the operational study.
Biomass impinged at Unit 2 during the operational study was an average of 2.7 tit _ greater than the biomass ispinged at Unit 1 during the ten months in which both units were operating. The biomass that would have been impinged at ifnit 2 during November and December of the operational study can be estimated by applying this factor to Unit 1 data. If these J
values are included in calculations of the mean biomass impinged at Unit 2 during the operational study, the mean becomes 28.6 kg per 24 hr, a figure which is very close to the preoperational value. l The monthly impingement expected at CRPS for Units 1, 2, and 3 can )
i be estimated from preoperational data and compared to operational l values. Figure II-8 illustrates this comparison. The projected impinge-ment for Units 1, 2, and 3 was calculated in two steps. To estimate preoperational impingement for Units 1 and 2, a conversion factor was developed from a comparison of operational data for Units 1 and 2. The ratio of mean biomass impinged per 24 hr at Units 1 and 2 combined to the mean biomass impinged at Unit 2 alone was determined for the ten _
months when both units were operating. The mean of these ten values .
(1.36) was then used as the conversion factor and applied to monthly values for mean biomass impinged during the preoperational study to estimate the mean monthly preoperational impingement at Units 1 and 2.
Since the addition of Unit 3 approximately doubled the flow rate of 1
intake water at CRPS, the estimates of monthly impingement for Units 1 l and 2 wera doubled to give estimates of monthly impingement for all
~
l 1
three units.
II-30 1
I
' 1
1 l
The trends for actual mean biomass impinged during the operational
' study are similar to those of the estimates based on preoperational data. Impingement observed during the operational study appears to be somewhat higher than che estimates based on preoperational data. Since Unit 2 was shut down during November and December, the mean values of biomass impinged per 24 hr during these two months were lower than they would have been under normal operating conditions. A mean of the ratios of biomass impinged at Uniti 2 to those impinged at Unit 1 during the operational study can be applied to Unit 1 values for these two months i
and added to the total. The mean biomass impinged during November would increasa from 69.7 to 115.1 kg per 24 hr and the value for December would increase from 97.8 to 157.1 kg per 24 hr for the operational study. The trend toward greater impingement during the operational study than would be estimated on the basis of preoperational data would become more pronounced. Since the comparison of preoperational and operational data for Unit 2 showed little difference between the two years, it appears that some factor other than doubling of the intake water flow caused a greater-than-expected increase in impingement.
~
The mean daily impingement catches of finfish and invertebrates of the present study (with the unusual clupeid catches included) are compared to CRPS preoperational impingement data at Unit 2 (Snedaker 1974) (including a large catch of Atlantic threadfin) and data from the Anclote Power Station (Texas Instruments 1977) and TECO Power Station 1976-1977 (Conservation Consultants 1977) in Tables II-29 and II-30.
Data are presented as monthly mean catches per 24 hr for numbers and II-31
biomass. The flow rates at the Anclote and Big Bend Power Stations are less than half of the combined flows for Units 1, 2, and 3 at CRPS (Tables II-29 and II-30). Because of the greater flow rate, larger impingement catches were expected at CRPS than at the other plants.
Data were collected from only two of three units in the' Big Bend Power Station study. Impingement values reported from the Big Bend study are
, probably low estimates. -
The mean daily catches (numbers and biomass) of fish at CRPS Units 1, 2, and 3 are greater than those shown for the preoperational data in all months except May, when a large school of Atlantic threadfin was impinged during the preoperational study. Similarly, the operational impingement rates for December 1977 and January 1978 were inflated because of large catches of clupeids. These catches occurred on only one sampling date in each month. The Anclote and Big Bend Power Stations also had lower values for finfish impingement than at CRPS in 1977-1978.
The impingement rates for invertebrates during the CRPS operational study were higher than those of the other plants during most months.
Some comparisons can be made between CRPS and the Cedar Bayou Generating Station in Houston, Texas (Stupka and Sharma 1977). The flow race at Cedar Bayou (1,012,500 gpm) is similar to that of the three CRPS units (1,314,000 gpm). At Cedar Bayou, the mean impingnant (number of fish per 24 hr) was 335,493 fish in 1973, 395,451 in 1974, and 181,236 in 1977. ' These values are all higher than the mean daily impingement at l .
II-32 l
CRPS for any month of the present study. The dominant fish species in samples collected at the Cedar Bayou Generating Station were Gulf menhaden, Atlantic croaker, and spot.
The species contributing the greatest biomass at CRPS (1973-74 and 1977-78)-and at the Anclote Power Station are listed in Table II-31.
At CRPS the scaled sardine was the dominant species in terms of biomass impinged in the operational study and the Atlantic threadfin was the dominant species in the preoperational study, but these species were
' dominant during only one or two sampling periods. Blue crab, pink shrimp, and scrawled cowfish ranked among the ten species contributing the greatest biomass in all three studies. Polka-dot batfish, silver perch, and pinfish are included in the most important species in terms of biomass in both CRPS studies. A comparison of the most abundant species at CRPS (1977-1978) and at the Anclote and Big Bend Power Stations
, show that pink shrimp, pinfish, silver perch, and Portunus gibbesii were abundant in all-three studies (Table II-32). The bay anchovy was abundant at the Big Band Power Station and at CRPS.
M Statistical Analysis The significant differences in mean numbers and biomass of almost all species and groups tested shown by the ANOVA (Tables II-19 and 20, Appendices II-1, -2, and -3) reflect the seasonal changes in abundance, growth, and year-class composition of local populations. Monthly changes in the numbers and biomass of important species have been discussed previously.
II-33 .
. Time For most of the species and groups for which time of sample collection was a significant source of variability, impingement of both numbers and biomass was greatest in dusk or night samples and lowest in day samples. It should be noted that the dusk sampling period at CRPS in 1977-1978 was from 1500-2100 hr at Units 1 and 2 and from 1600 to 2200 hr et Unit 3, increasing'the af ter-dark component of this sampling period during much of the year. Many species of fish are most active during dusk and night, feeding on benthos and plankton or on small forage fish. Pink shrimp are considerably more active at night than during the day and they reportedly respond positively to moonlight by moving toward the surface at ebb tide (Florida Power Corporation 1977, Beardsly 1970). Both invertebrates and fish are more vulnerable to impingement then actively moving about in the water column. Avoidance of intake structures may be reduced at night because of reduced visibility.
Unit
~
The greater impingement per 100 m of intake water of all organisps-at Units 2 and 3 than at Unit 1 is probably the result of both the lower intake velocity of this unit compared to that of Unit 2 or 3 and of the physical orientation of the intake. The intake of Unit 1 is between that of Unit 2 and the canal leading to Unit 3's intake. The greatest
-impingement of invertebrate numbers per 100 3m of intake water was in samples taken at Unit 2, while greatest biomass impinged per 100 m was in samples at Unit 3, suggesting that a larger number of' smaller II-34
1 1
individuals are impinged at Unit 2. The slightly higher overall intake l velocity of Unit 2 might tend to impinge smaller and weaker-swimming 1
organisms. The larger organisms that pass by Units 1 and 2 must either i swim out the entire' length of the intake canal against the intake i current or enter the intake for Unit 3. Of course, Unit 3 takes in i
almost as much watar as Units 1 and 2 combined and usually impinges more organisuis than Units 1 and 2 combined.
1 Tide Impingement of invertebrates (both numbers and biomass per 100 m3 of intake water) for which tida stage was a significant source of variation was highest in samples taken during ebb tide. Many inverte-brates, including the pink shrimp, are more active during abb tide, responding positively to moonlight by moving toward the surface. They do not move during flood tida but return to the bottom and burrow to maintain position (Florida Power Corporation 1977, Beardsley 1970).
These invertebrates are more vulnerable to impingement when swimming in the water column. The fish impinged in greater numbers or biomass at this tide stage may be feeding on the invertebrates that are off bottom ~
or swimming in the water column. '
Barge Traffic The species which showed significantly higher numbers or biomass impinged in samples taken when barges were moving than in samples when barges were absent or docked may have been disturbed from their usual near-bottom position by the turbulence caused by the barge passage.
II-35
Reduced visibility resulting from increased turbidity caused by the turbulence may also result in increased impingement. Some species are probably associated with large amounts of sea grass which are carried into the plant. intakes by turbulence caused by barge movement. These species may either inhabit the sea grass or feed on species inhabiting it. -
Wind The significant effect of strong or neglig.'.ble wind on biomass or
, numbers of individuals of various spacies is diffi. cult to interpret.
The duration and direction of the wind could be of considerable import-ance in an assessment of this variable. Wind blowing inshore from the west could move concentrations of less mobile forms inshore. Wind blowing strongly across shallow watar could cause turbulence which would then disturb bottom-dwelling forms and disrupt grass beds, bringing organisms up into the water column where they would become vulnerable to impingement. Increased turbidity caused by wind-generated turbulence might reduce visibility, thereby reducing avoidance of the intakes by mobile forms. _.
Conclusions The projected ' impingement at CRPS between March 13, 1977 and March 13, 1978 (2,642,732 finfish and 721,053 invertebrates totaling 35,692 kg) is not likely to have any major impact on either the water body or the commercial fisheries. Large numbers of clupeids (primarily II-36
scaled sardine and Atlantic thread herring) were impinged at CRPS but the catch is probably low in proportion to the populations. The catches of pink shrimp and blue crab, the most abundant invertebrates impinged, represent only 1.0% and 0.5% of the local commercial catch. The number and biomass of other species of finfish and invertebrates impinged at CRPS Ere considered min 4=m1
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II-37 i
REFERENCES CITED Abbott, R. T. 1968. Seashells of North America. Golden Press, New York.
American Fisheries Society. 1970. A list of the common and scientific names of fishes from the United States and Canada. Spec. Publ. No. 6.
AFS, Washington, D.C.
l Beardsly, G. L. 1970. Distribution of migrating juvenile pink shrimp, i Penaeus duorarum duorarum Burkenroad, in Buttonwood Canal, Everglades National Park, Fla. Trans. Amer. Fish. Soc. 99(2):401-408.
1 Camp, D. K. 1973. Stomatopod Crustacea. Mem. Hour Glass Cruises 3(2):
1-100.
Conservation Consultants. 1977. Final report of ecological surveys of '
the Big Bend Area., Vol. 3. Prepared for TECO.
Dahlberg, M. D. 1975. Guide to tihe coastal fishes of Georgia and nearby states. University of Georgia Press, Athens. GA. 187 pp.
1 Duncan, D. B. 1955". Multiple range and multiple F tests. Biometrics 11:1-42.
Farfante, I. P. 1969. Western Atlantic shrimp of the genus Penaeus.
U.S. Fish Wild 1. Serv. Fish. Bull. 67:461-591. '
Florida DNR (Department of Natural Resources) . 1975. Summary of Florida commercial marine landings. Division of Marina Resources, Bureau of Marine Science and Technology.
Florida Power Corporation. 1977. Final report: Anclote Unit No. 1 postoperational ecological monitoring program 1976. Vol. V. St.
Petersburg, FL.
Hoese, H.D. and R. H. Moore. 1977. Fishes of the Gulf of Mexico, -
~
Texas, Louisiana and adjacent waters. Texas A&M Univ. Press.
Parker, J. C., ed. 1972. Key to the estuarine and marine fish of Texas.
Texas A&M University, College Station, TX.
Scheffe, H. 1970. The analysis of variance. John Wiley and Sons, Inc.,
Snedecor, G. W. and W. G. Cochran. 1968. Statistical methods. 6th ed.
Iowa' State University Press, Ames, IA.
Snedaker, S. C. 1974. Impingement at the Crystal River Power Generating Facility: a quantitative analysis. Vol. 2 and 3. Crystal River Power Plant environmental consideration. Final report to the Interagency l Resources Advisory Committee.
.o
~
II-38 i
Springer, V. G. , and K. D. Woodburn. 1960. An ecological study of the fishes of the Tampa Bay area. F7.a. S. Board Cons. Mar. Lab. Prof.
Pap. No. 1. St. Petersburg, FL.
Stupka, R. S. and R. K. Sharma. 1977. Survey of Sish impingement at power plants in the United States. Vol. 3. Estuaries and coastal waters. Argonne National Laboratory, Argonne, IL.
Texas Instruments. 1977. Fish studies for the Anclote post-operational ecological monitoring program for the period January 1 through December 31, 1976. Appendix VII-12, Life history addendum. Texas Instruments Inc., Dallas, TX, United States Department of Commerce. 1978. Florida landings, ar.nual summary 1976. NOAA.
Walls, J. G. 1975. Fishes of the northern Gulf of Mexico. TFH Publica-tions, Neptune City, NJ.
Wass, M. L. 1955. The decapod crustaceans of Alligator Harbor and adjacent inshore areas of northwestern Florida. Q.J. Fla. Acad. Sci.
18:129-176.
Williams, A. B. 1965. Marine decapod crustaceans of the Carolinas. U.S.
Fish Wild 1. Serv. Fish. Bull. 65:1-298.
e
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l II-39 l
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T blo II-1. Charactsrictics of tha. cooling watcr intaksa of th2 CRPS .
General No. of Horizontal No. of Cooling Water Capacity Traveling Screens Pems Flow (CDni (W)
Unit 1 4 4 310,000 390 Unit 2 4 4 328,000 510 Unit 3 8 4 680,000 855 Intake velocities (a)
High Tide Low Tide Mean Range Mean Range Unit 1 0.64 0.47-0.81 0.70 0.44-0.91 Unit 2 0.87 0.66-1.02 0.94 0.62-1.20 Unit 3 0.81 0.55-1.09 0.97 0.62--l.17 (a)In f t/sec, as measured in front of traveling screens by FPC.
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II-40
. Table II-2. . Impingement sampling schedule.
1977 March 18-19 October 3-4 March 24-25 u,:tober 14-15 March 30-31 October 18-19 April 5-6 October 29-30 April 13-14 November 3-4 April 21-22a November 11-12 April 28-29 November 18-19 May 5-6 November 22-23 .
May 9-10 December 3-4 -
May 16-17 December 6-7 May 25-26 December 12-13 June 4-5 December 21-22 Jt;ne 9-10 December 29-30 June 13-14 1978 January 3-4 June 25-26 January 12-13 June 30-July 1 January 19-20 July 6-7 January 27-28.
~ July 14-15 l'ebruary 1-2 July 23-24 February 6-7 July 28-29 b February 16-17 August 1-2 February 23-24 August 9-10 March 3-4 August 20-21 March 7-8 August 26-27 August 30-31 September 9-10 September 17-18 September 21-22
. September 28-29
- Cancelled due to clogging of sampling baskets by large numbers of ctenophores.
b Sampling discontinued after 12 hr because of very large quantities of -
i seagrass obstructing the intakes. -.
II-41
_- . _ . _ _ - _._ .._ . - _ - - ~ _ - - - - . - .
Table II-3. Number of 24-hr samples taken at each unit, March 13, . .
1977-March 13, 1978. (Numbers are not identical for the three units because of shut downs).
Unit 1 Unit 2 Unit 3 March 1977, 1978 5 5 5 Aprila 3 3 3 May 4 4 3 Juneb 5 5 5 July 3.5 3.5 3.5 August 5 5 5 September 4 4 4 October e 4 4 4 Novembere. 4 0 4 December 5 0 5 January 1978 4 4 4 February 4 4 4 Total 50.5 41.5 49.5
" Sampling'during April 21-22 cancelled because of clogging of sampling b
baskets by large numbers of etenphores.
. Sampling during July 28-29, 1977 was discontinued because of very large
" quantities of seagrass which obstructed the intakes.
Unit 2 shut down.
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e II-42 .
m -y-- y ~wv-e p ,-.ww -
Table II-4. Finfish taxa identified from CRPS impingement samples, March 13,1977-March 13,1978 (fish names follow American Fisheries Society 1970.)
Rajidae Raja texana - Roundel skate Dasyatidae Dasyatis sabina - Atlantic stingray Dasyatis sayi - 31untnose stingray Gymnura micrura - Smooth butterfly ray Elopidae Elops saurus - Ladyfish Muraanidae-Gymnothorax nigromarginatus - Blackedge moray Congridae i Congrina flava - Yellow conger eel Ophichthidae Bascanichthys scuticaris - Whip eel Myrophis punctatus - Speckled worm eel Mystriophis intertinctus - Spotted spoon-nose eel Ophichthus gomasi - Shrimp eel Clupeidae l Bravoortia sp. - menhaden sp. l Br3voortia patronus - Gulf menhaden l Dorosoma cepedianum - Gizzard shad l Harengula pensacolas - Scaled sardine Ophischonema onlinum - Atlantic thread herring Sardine 11a anchovia - Spanish sardine Engraulidae _
Anchos hepsetus - Striped anchovy .
4 Anchos mitchelli - Bay anchovy Synodontidae Synodus foetens - Inshore lizardfish Ariidae Arius felis - Sea catfish Bagre marinus - Gafftopsail catfish Batracholdidae opsanus beta - Gulf toadfish Porichthys porosissimus - Atlantic nidshipman Gobiesocidae Gobiesox strumosus - Skilletfish II-43
Table II-4 (Cont'd).
Oscocephalidae Oncocephalus radiatus - Polka-dot batfish Gadidae ,
Urophycis floridanus - Southern hake Ophidiidae Ophidion holbrooki - Bank cusk-eel Ophidion welshi - Crested cusk-eel Exocoetidae Hyporhamphus unifasciatus - Halfbeak i
- Strongylura marina - Atlantic needlefish Strongylura notata - Redfin needlefish Strongylura timucu - Timucu Cyprinodontidae Cyprinodon variegatus - Sheepshead minnow Fundulus grandis - Gulf killifish l
Lucania parva - Rainwater killifish Poeciliidae Poecilia latipinna - Sailfin molly Atherinidae Membras martinica - Rough silverside
- Menidia beryllina - Tidewater silverside Syngnathidae Hippocampus erectus - Lined seahorse Hippocampus zosteras - Dwarf seahorse Micrognathus crinigerus - Fringed pipefish Synanathus floridae - Dusky pipefish Synarathus louisianae - Chain pipefish Syngnathus scovelli - Gulf pipefish ,-
Synanathus sprinneri - Bull pipefish ,, j Serranidae i Centropristis melana - Southern (black) sea bass D1 plectrum formosum - Sand perch Grammistidae Rypticus saponaceus - Greater soapfish l l Pomatomidae l Pomatomus saltatrix - Bluefish l Apogonidae Astropogon alutus - Bronze cardinalfish Rachycentridae Rachycentron canadum - Cobia II--4 4
Table II-4 (Cont'd).
Echeneidae Echeneis naucrates - Sharksucker Carangidae Caranx hippos - Crevalle jack Chloroscombrus chrysurus - Atlantic bumper
. Olinoplites saurus - Leatherjacket Selene vomer - Lookdown Trachinotus falcatus - Permit Lutjanidae Lucianus griseus - Gray or mangrove snapper
, Garreidae Eucinostomus argenteus - Spotfin mojarra Eucinostomus & - Silver jenny Posadasyidae Haemulon alumieri - White grunt Orthopristis chrysoptera - Pigfish Sparidae Archosaraus probatocephalus - Sheepshead Calamus bajonado - Jolthead porgy Diplodus holbrooki - Spotta11 pinfish Lagodon rhomboides - Pinfish Sciananidae Bairdiella chrysura - Silver perch Cynoscion arenarius - Sand sentrout Cynoscion nebulosus - Spotted seatrout Leiostomus xanthurus - Spot Menticirrhus americanus - Southern kingfish Pogonias cromis - Black drum Ephippidae ,,
j Chaetodipterus faber - Atlantic spadafish Scaridae Nicholsina usta - Emerald parrotfish Mug111dae Musil cephalus - Striped mullet M trichodon - Pantail mullet Sphyraanidae i
- Sphyraena sp. - Barracuda or sannet '
Sphyraena borealis - Northern sonnet Polynomidae Polydactylus octonemus - Atlantic threadfin
- . y; LII-45
'WI < w .
.7 b. 'y 5 _. , . . . ,
Table II-4 (Cont'd). -
Opisthognathidae Opistornathua sp. - Jawfish Opistognathus macrottnathus - Spotfin jawfish Uranoscopidae Astrocopus y-graecum - Southern stargazer Clinidae Paraclinus fasciatus - Banded blenny Blenniidae Chasmodes bosquianus - Striped blenny Hypleurochilus geminatus - Crested blenny Hypsoblennius hentzi - Feather blenny Gobiidae i Microgobius gulosus - Clown goby Trichiuridae Trichiurus lepturus - Atlantic cutlassfish Scombridae Scomberomerus macdatus - Spanish mackerel Stromateidae Peprilus alepiodotus - Harvestfish Peprilus burti - Gulf butterfish Scorpaenidae Scorpaena brasiliensis - Barbfish Trig 11das Prionotus seitulus - Leopard searobin Prionotus tribulus - Bighead searobin _.
Bothidae Ancylopsetta quadrocellata - Ocellated flounder Etropus crossotus - Fringed flounder Paralichthys albigutta - Gulf flounder
- Paralichthys lethostigma - Southern flounder Soleidae Achirus lineatus - Lined sole Trinactes maculatus - Hogchoker Cynoglossidae Symphurus plagiusa - Blackcheek tonguefish Balistidae A1 uterus schoepfi - Orange filefish Monacanthus ciliatus - Fringed filefish Monacanthus hispidus - Planehead filefish II-46 -
Table II-4 (Cont'd). .
Ostrac11dae Lactophrys quadr 1cornis - Scrawled cowfish Tetraodontidae Sphoeroides nephelus - Southern puffer Sphoeroides spengleri - Bandtail puffer Diodontidae Chilomycterus schoepfi - Striped burrfish e
.-e l
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II-47 l _ _ _
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Table II-5. Invertebrate taxa identified from CRPS impingement samples, March 13, 1977-March 13, 1978.
Ophiuroidea Brittle star Holothuroidea Sea cucumber Gastropoda Aplysia wilcoxi - sea hare Cephalopoda Lolliguncula brevis - squid Xiphosura Limulus polyphemus - horseshoe crab Stomatopoda Squilla empusa - mantis shrimp Decapoda Pensaidae Penaeus duorarum - pink shrimp Penaeus setiferus - white shrimp Sievonia laevigata Sievonia tveica Trachypenaeus constrictus, Hippolytidae Hippolysmata wurdemanni Palaemon floridanus Tozeuma carolinense ,
Alpheidae -
Alpheus heterochaelis Alpheus normanni Paguridae Hermit crab Call sassidae Upogebia affinis Porcellanidae Petrolisthes armatus Leucosiidae
-Persephona punctata II-48
9 Table II-5 (Cont'd) .
Portunidae Arenaeus cribrarius Callinactes ornatus Callinactes sapidus - blue crab Portunus depressifrons
- Portunus gibbesii Portunus spinimanus Xanthidae Eurypanopeus dergessus Hexapanopeus angustifrons Manippa mercenaria - stone crab Neopanope texana ,
Panopeus herbstii P,anopeus occidentalis
! lumnus floridanus Pilumnus.sayi Pinnotheridae Pinnotheres maculatus Grapsidae Sesarma cinereum Ocypodidae Uca minax Uca sp.
Majidae Epialtus dilatatus Libinia dubia Macrocoeloma camptocerum -.
Matoporhaphis calcarata --
Mithrax pleuracanthus Pelia mutica Pitho sp.
Podochela riisei l
l II-49
Table II-6. Monthly occurrence of finfish collected during impingement studies, March 13, 1977-March 13, 1978.
Species J F M A M J J A S O N D Roundel skate X X X Atlantic stingray. X X X X X X X X X X X
~Bluntnose stingray X Smooth butterfly ray X X X X X Ladyfish X X
- X Blackedge moray X X X X X I X X X Yellow conger eel X X Whip eel I X X X X X Speckled worm eel X X Spotted spoon-nose eel X Shrimp eel X X X X X -X X X X X X X Menhaden (unidentified) X Gulf menhaden I X X X X X X X X X X Gizzard shad X' Scaled sardine X X X X X X X X Atlantic thread herring I X X X X X X X X Clupeid larvae X X X Clupeid (unidentified) X Spanish sardine X Anchovy (unidentified) X Striped anchovy X I I X X X X X X Bay anchovy X I I X X X X X X X X X Inshore lizardfish X X X X X X X X X X Sea catfish X X X X X X X X X Gafftopsail catfish I X X X Gulf toadfish I X X X X X X X X X X X Atlantic midshipman X X X X X X X X X X Skilletfish I X X Polks-dot batfish X I X X X X X X X X X X Southern hake X X X X X X _
Bank cusk-eel I X X X_.
Crested cusk-eel I ,,
Halfbeak (unidentified) X Halfbeak X X X ,X X X X X X X Needlefish (unidentified) X X
' Atlantic needlefish I X. X X X X X X X X X Redfin needlefish I X X X X X X X X X Timucu X Sheepshead minnow X Gulf killifish X Rainwater killifish XX Sailfin molly X Rough silverside X X X X X X X X X X
-Tidewater silverside X X X X X X X X X X X X Lined seahorse .
X X X X X X X X X X X X Dwarf seahorse X X X Fringed pipefish. X X X X'I X X II-50
Table II-6.. (Cont'd).
Species J F M A M J J A S O N D Dusky pipefish X X X X X X X X X X X X Chain pipefish I X X X X X X X X X X X Gulf pipefish X X X X X X X X X Bull pipefish X X X X Southern (black) seabass X X X X X X X XX X X Sand perch X I X X X Greater soapfish X Bluefish X X X X X Bronze cardinalfish X Cobia X I X X Sharksucker X I Crevalle jack X X X X X X Atlantic bumpar I X X X X X X X X X Leather jacket I X X X X X X X Lookdown I X X X X X X Permit X X X X X Gray snapper X X X X X X Spotfin mojarra X X X X X X Silver jenny X X Mojarra (unidentified) X White grunt X X X X X X X Pigfish X X X X X X X X X X X X Sheepshead I X X X Joltheaded porgy X X X X Spot. tail pinfish I X X X X X X Pinfish X X X X X X X X X X X X Silver perch X X X X X X X X X X X Sand seatrout I X X X X X Spotted seatrout I X X X X X X X X X X Spot I X X X X X X X X X X X Southern kingfish X X X X X X X -
Black drum X. - -
Atlantic spadefish X X X X X '
X~ X X Emerald parrotfish X
. Mullet (unidentified) X X X X X X X Striped mullet X I I I X X Fantail mullet X X Barracuda (unidentified) X Northern sennet I X X X X X X X Atlantic threadfin X X X Jawfish (unidentified) X
.Spotfin jawfish X X X Southern stargazer X I I I Banded blenny- X X Striped blenny X X X X X X Crested blenny: I X X X X X Feather blenny X X X X X X X X j Clown goby X -l l
II-51
Table II-6. '(Cont'd).
Species. J F M A M J J A S 0 N D Atlantic cutlassfish X X Spanish mackerel- X Harvestfish I I I X X X X Gulf butterfish X X X X X X Barbfish X X X X Searobin (unidentified) X Leopard searobin X X X X X X X X X Bighead searobin X X X X X X X Flounder (unidentified) X Ocellated flounder I X X X X X X X X X X Fringed flounder I X X X X X X Gulf flounder I X X X Southern flounder X Lined sole X X X X- X X X X X X Hogchoker I X X X X X X X X Blackcheek tonguefish X I X X X X X X X X X Orange filefish X ,X X X X X X X X Fringed filefish X X X X X X X X X X Planehead filefish X X X X X X X X X Scrawled cowfish I I X X X X X X X X X X Southern puffer I I X X X X X X X X X X Bandtail puffer I I X Striped burrfish I X X X X X X X X X X X
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Tab.14 II-7. Monthly occurrence of invertebrates collected during impingement' studies,' March 13, 1977-March 13, 1978 Species J F M A M J J A S 0 N D Ophiuroidae (unidentified) X X X X X X Holothuroidae (unidentified) X Sea hare X X Squid X X X X X X X X X X X X Horseshoe crab X Mantis shrimp I X X X X'X X X X X X X Penaeus sp. X Pink shrimp X X X X X X X X X X X X f.*aite shrimp I X X -I Sicyonia laevigata X X X X X X
. Sicyonia typica X X X Trachypenaeus constrictus I X X X X X X X X X X X Hippolysmata wurdemanni X X X X Palaemon floridanus I X X X X X X X X X X X Tozeuma carolinense X X X X X X X X X X Alpheus heterochaelis X X X X X X X X X X X X dehous normanni X X Her.'it crab X X X Upogebia affinis X X X X X Petrolisthes armatus X X X X X X X X Persophona punctata X Arenaeus cribrarius I !
Callinectes ornatus I X X X X X X l' Blue crab X X X X X X X X X X X X Portunus depressifrons X X X X X X X X Portunus gibbesii X X X X X X X X X X X X ;
Portunus spinimanus X X X X X X X Xanthidae (unidentified) X X X X -i Eurvpanopeus depressus X X X X X X X X X X X Hexapanopeus angustifrons X X X X X X X X X ~
Stone crab X X X X X X X X'I X X X- ,
Neopanope texana X I X X X X X X X X. X !
Panopeus herbstii X X X X X X X X X X"X X l Panopeus occidentalis X X X X X X X X X X Pilumnus floridanus X I X X X X X ~X X 1 Pilumnus savi X X X X X X X X X X X l Pinnotheres maculatus X I Sesarma cinereum I X X X X X X X X l Uca sp. X X l l '
Uca minax X X ;
-Epialtus dilatatus X l Libinia dubia X X X X' X X X X X X X X l Macrocoeloma camptocerum I !
Metoporhaphis calcarata X X X X X X X X X X X X Mithrax pleuracanthus X Pelia mutica X Pitho sp. X X Podochela riisei X X X II-53
'"able II-8.
. Rank by numerical abundance of finfish collected ac CF.PS, March-13, 1977-March 13, 1978. (Only species having a cumulative total of 2,000 or more individuals collected during the study are listed.)
Rank Species No. of Individuals 1 Scaled sardine 166,420 2 Bay anchovy 57,356
^
3 Pinfish 30,077.
4 Sea catfish 29,077 5 . Silver perch .
26,831 6 Atlantic thread herring 12,351 7 Polka-dot batfish 12,245-8 Spot .
6,282 9 Scrawled cowfish 4,129 10 Silvet jenny 2,963 11 Oce11ated flounder 2,064 Subtotal 349,795 All other finfish 27,170 Total 376,965
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Table'II-9. ' Rank by relative biomass of finfish collected at CRPS, March 13, 1977-March 13,.1978. (only species comprising 10 kg or more throughout the study are listed.)
Rank Species Biomass (kg) 1 Scaled sardine 1,226.9 2 Polka-dot batfish 1,176.7 3 Sea catfish 239.8 4 Silver perch 178.3 5 Pinfish 165.3 6 Atlantic thread herring 137.9 7 Scrawled cowfish .128.7 8 Bay anchovy 117.4 9 Striped burrfish 87.8 10 Atlantic stingray 84.9 11 Silver jenny 39.6 12 Atlantic bumper 29.9 13 Spot 29.8 14 Barbfish 24.5 15 Shrimp eel 22.0 16 Crevalle jack 20.9 17 Atlantic spadefish 14.7 18 Orange filefish 12.0 19 Southern puffer 11.9 20 Pigfish 11.2 21 Spotfin mojarra 10.0 Subtotal 3,770.2 All other finfish 132.8 Total J
",903.0
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, II-55
Table II-10. Percentage of mean monthly catches consituted by polka-dot batfish, blue crab, and pink shrimp.
Polka-dot Total Month Batfish Blue Crab Pink Shrimp (3 Species)
March 1977, 1978 38 8 12 58 April 34 42 7 83 May 16 55 2 73 June 84 10 <1 94 July 63 18 3 84 August 48 31 4 83 Sep tember 20 72 2 94 October 33 39 1 73
' November 34 35 1 70 December" 43 18 2 63 January" 11_ 1 16 28 February 2 2 8 12 Total Year 32 20 7 59
" Unusual large catches of clupeids exclud.ed.
~
-e OA II-56
1 l
Table II-il. Rank by numerical abiinciance of invertebrates collected at CRPS, March 13, 1977-March 13, 1978. (Only species having a cumulative total of 1,000 or more individuals collected during the study are listed.)
Fank Species Number of Individuals )
1 Pink shrimp 39,566 2 Portunus gibbesii 17,744
. 3 Metoporhaphis calcarata 12,510 ,
4 Blua crab 10,070 !
5 Trachypenaeus constrictus 4,855 i 6 Squid 3,586 7 Palaemon floridanus 2,578 i 8 Neopanope tcrana 1,951 l 9 Unidentified Xanthidae 1,162 10 Alpheus heterochaelis 1,068 Subtotal 95,090 1 All other invertebrates 4,018 ;
Total 99,108 l l
l l
e 9
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II-57
Table II-12. Rank by relative biomass of invertebrates collected at CRPS, March 13, 1977-March 13, 1978. (only species comprising 2 kg or
[. more throughout the study are listed.)
l l
Rank Species Biomass (kg) 1 Blue crab 715.6 i 2 Pink shrimp 260.2 l 3 Portunus gibbesii 43.0-1 4 Squid 26.7 5 Stone crab 12.6 6 Metooorhapsis calcarata 7.4 l 4.9 7 Libinia dubia 8 Mantis shrimp 2.9 9 Trachypenaeus constrictus 2.9 10 White shrimp 2.3 11 Alpheus heterochaelis 2.1 12 Neopanope texana 2.0 Subtotal 1082.6 All other species 6.9 Total 1089.5 MO T
II-58
Table II-13. Comparison by unit of mean 24-hr catches (numbers and biouass) of finfish, March 13, 1977-March 13, 1978. (Data are presented as mean number of individuals per 24 hr. Mean biomass (kg) per 24 hr is in parentheses. The number of days sampled in each month is given in Table II-3.)
Month Unit 1 Unit 2 Unit 3 Total Marcha 201 616 2,149 2,966 (7.2) (32.3) (42.6) (82.1)
April 53 992 1,689 2,734 (1.2) (15.4) (15.6) (32.2)
May 154 45 538 737 (1.5) (3.1) (4.2) (8.8)
June 95 337 251 683 (4.7) (24.2) (14.7) (43.6)
July 159 467 445 1,071 (3.3) (18.1) (14.8) (36.2)
August 134 449 308 891 (2.7) (11.1) (7.6) (21.4)
September 41 169 176 386 (0.8) (5.8) (4.9) (11.5)
October 76 182 310 568 (3.2) (3.8) (8.3) (15.3)
November 554 Unit was 1,989 2,543 ~
(13.9) shut down (27.2) (41.1)-
December 1,807 Unit was 23,479 E5,286 (25.5) shut down (193.0) (218.5)
January 1978 4,671 4,267 20,724 29,662 (45.5) (49.5) (196.6) (291.6)
Vebruary 922 2,274 16,991 20,187 (6.8) (18.9) (70.3) (96.0)
Yearly Mean/24 hr 744 949 6,059 7,752 (9.9) (18.6) (53.0) (81.5) aThree 24 hr samples were taken in March 1977 and two were taken in March 1978.
II-59
Table II-14. Five species of finfish and of invertebrates contributing the greatest biomass (kg/24-br) and numbers (number /24 hr) collected each month at CRPS.
MARCH 1977 AND 1978 Mean Mean Biomass / Number /
Species 24 hr Species 24 hr FINFISH FINFISH Polka-dot batfish 40.5 Bay anchovy 823 Scrawled cowfish 17.9 Pinfish 701 Pinfish 4.3 Polka-dot batfish 449 Striped burrfish 4.0 Silver perch 137 Orange file fish 1.9 Scrawled cowfish 127 INVERTEBRATES INVERTEBRATES Pink-shrimp 13.3 Pink shrimp 1,581 Blue crab 9.0 Metoporhaphis calcarata 439 Squid 1.0 Blue crab 267 Mantis shrimp 0.1 Palaemon floridanus 152 Metoporhaphis calcarata 0.2 Squid 110 i
APRIL 1977 i
Mean Mean Biomass / Number /
Species 24 hr Species 24 hr FINFISH FINFISE Polka-dot batfish 21.8 Pinfish 1,360 Scrawled cowfish 4.2 Spot 731 -
Spot 1.2 Polka-det batfish 184 --
~
Striped burrfish 0.8 Dusky pipefish 122 Pinfish 0.7 Lined seahorse ' 72 INVERTEBRATES INVERTEBRATES Blue crab 27.1 Blue crab 363 Pink shrimp 4.5 Pink shrimp 345 Squid 0.2 Palaemon floridanus 151 Stone crab 0.2 Trachypenaeus constrictus 42 Palaemon floridanus 0.1 Eurypanopeus depressus 40 l
l l
II-60
T4.ble II-14 (Cont'd.)
MAY 1977 Mean Mean Biomass / Number /
Species 24 hr Species 24 hr. _
FINFISH FINFISH Polka-dot batfish 5.6 Spot 445 Spot 1.0 Polka-dot batfish 44 Striped burrfish 0.3 Pinfish 38 Southern hake 0.1 Bay anchovy 19 Atlant:1c bumper 0.1 Atlantic needlefish 12 INVERTEBRATES INVERTEBRATES Blue crab 19.7 Blue crab 186 Pink shrimp 0.8 Pink shrimp 70 Stone crab 0.2 Squid 21 Squid 0.1 Eurypanopeus depressus 14 Libinia dubia <0.1 Metoporhaphis calcarata 11 JUNE 1977 Mean Mean Biomass / Number /
Species 24 hr Species 24 hr FINFISH FINFISH Polka-dot batfish 42.0 Polka-dot batfish 348 Smooth butterfly ray 0.2 Pinfish 53 .
Atlantic needlefish Pinfish 0.2 46 Striped burrfish 0.2 Tidewater silverside 35" Scrawled cowfish 0.1 Dusky pipefish 32 ,
INVERTEBRATES INVERTE3 RATES Blue c.rab 4.9 Portunus gibbesti 245 Portunus gibbesii_ 0.5 Pink shrimp 100 Pink shrimp 0.2 Blue crab 68 1
Stone crab 0.2 Trachypenaeus constrictus 30 Sea hare 0.1 Palaemon floridanus 25 I
, II-61 l
Table 11-14 (Cont'd. ) .
JULY 1977 Mean Mean Biomass / Number /
Species 24 hr- Soecies 24 hr.
FINFISH FINFISH Polka-dot batfish 33.7 Polka-dot batfish 328 Pinfish 0.3 Silver perch 215 Striped burrfish 0.3 Tidewater silverside 90 Silver perch 0.3 Gulf menhaden 56 Tidewater silverside 0.2 Pinfish 52 INVERTEBRATES INVERTEBRATES Blue crab 9.3 Portunus gibbesii 1410 Portunus gibbesii 3.8 Pink shrimp 852
, Pink shrimp 1.8 Squid 386 Squid 1.3 Blue crab 98 Sea hare 0.2 Trachypenaeus constrictus 60 AUGUST 1977 Mean Mean Blomass/ Number /
Species 24 hr Species 24 hr.
FINFISH FINFISH Polka-dot batfish 18.6 Orange filefish 225 --
Pinfish 0.5 Polka-dot batfish 184, Atlantic stingray 0. 4 Pinfish 64 Atlantic bumper 0.3 Dusky pipefish 46 Orange filefish 0.2 Leather jacket 41 INVERTEBRATES INVERTEBRATES Blue crab 12.0 Portunus gibbesii 1,304 Portunus gibbesii 2.5 Pink shrimp 788
, Pink shrimp 1.6 Blue crab 132 l Stone crab 0.3 Trachypenaeus constrictus 131 Horseshoe crab 0.2 Neopanope texana 92 L
i 2]E-62
, , -- mr. ,w-- ***-E **-
l Table II-14 (Cont' d. )
SEPTEMBER 1977 Mean Mean Biomass / Number /
Species 24 hr Species 24 hr FINFISH MNHSH Polka-dot batfish 10.0 Polka-dot batfish 94 Pinfish 0.3 Lined seahorse 77 Atlantic stingray 0.2 Dusky pipefish 35 Atlantic bumper 0.1 Planshead filefish- 26 Gulf toadfish 0.1 Pinfish 18 INVERTEBRATES INVERTEBRATES Blue crab 36.8 Pink shrimp 475 Pink shrimp 1.3 Blue crab 391 Stone crab 0.5 Trachvoenaeus ccustrictus 134 Libinia dubia 0.3 Neopanope texana 125 Portunus gibbesii .0.3 Portunus gibbes11 107 l
OCTOBER 1977 Mean Mean Biomass / Number /
Soecies 24 hr Species .24 hr FINFISH FINFISH Polka-dot batfish 9.4 White grunt 111 -
~
Crevalle jack 2.0 Polka-dot batfish 105 Atlantic bumper 0.4 Bay anchovy 81 -
Southern flounder 0.4 Spotfin mojarra 46 -
Pinfish 0.4 Silver perch 44 l
INVERTEBRATES INVERTEBRATES Blue crab 11.2 Portunus gibbesii 167 Stone crab 0.5 Blue crab 118 Portunus gibbesii 0.5 Pink shrimp 112 Pink shrimp 0.4 Neopanope texana 72 Libinia dubia 0.2 Stone crab 37 l
11-63
Table II-14 (Cont'd.)
NOVEMBER 1977 Mean Mean Biomass / Number /
Species 24 hr Species 24 hr FINFISH FINFISH Polka-dot batfish 24.1 Sea Catfish 700 Sea catfish 3.9 Silver perch 360 Striped burrfish 3.4 Polka-dot batfish 270 Silver perch 1.8 Bay anchovy 254 Scrawled cowfish 0.8 Lined sole 214 INVERTEBRATES INVERTEBRATES Blue crab 24.3 Trachypenaaus constrictus 641 Portunus gibbesii 1. 3 Portunus gibbesii 454 Pink shrimp- 0.9 Blue crab 294 Squid 0.7 Pink shrimp 160 Stone crab 0.6 Squid 130 DECEMBER 1977 Mean Mean Biomass / Number /
Species 24 hr Species 24 hr FINFISH FINFISH Scaled sardine 130.5 Scaled sardine 20,794 Polka-dot batfish 42.5 Atlantic thread herring 1,478 -
Atlantic thread herring 11.8 Silver perch 954 --
Silver perch 6.0 Sea catfish 596 Striped burrfish 4.8 Polka-dot batfish ~ 501 INVERTEBRATES INVERTEBRATES
, Blue crab 17.2 Blue crab 306 Pink shrimp 2.1 Portunus gibbesii 291
, Portunus gibbesii 0.9 Pink shrimp 223 Squid 0.7 Metoporhaphis calcarata 82 White shirmp 0.3 Eurvpanopeas depressus 27 f
l II-64 l ,.
Table 'II-14 (Cont'd.)
JANUARY 1978 Mean Mean
- Biomass / Number /
Species 24 hr Species 24 hr FINFISH FINFISH Scaled sardine 143.3 Scaled sardine 15,593 Sea catfish 49.8 Sea catfish 5,775 Silver perch 22.9 Silver perch 3,477 Atlantic thread herring 19.4 Atlantic thread herring 1,229 Polka-dot batfish 17.8 Pinfish 1,036 INVERTEBRATES INVERTEBRATES Pink shrimp 25.7 Pink shrimp 3,396 Blue crab 2.4 Metoporhaphis calcarata 1,273 Squid 1.8 Palaemon floridanus 163 Metoporhaphis calcarata 0.8 Blue crab 114 Portunus gibbesii 0.2 Portunus gibbesii 80 FEBRUARY 1978 Mean Mean Biomass / Number /
Species 24 hr Species 24 hr _
FINFISP. FINFISH Bay anchovy 26.0 Bay anchovy 12,680 .. -
Pinfish 24.7 Pinfish 4,097 Atlantic stingray 16.7 Silver perch 1,189 Silver perch 9.7 Scrawled cowfish 569 Scrawled cowfish 2.8- Oce11ated flounder 358 INVERTEBRATES ,
INVERTEBRATES Pink shrimp 9.3 Pink shrimp 1,304 i Blue crab 2. 0 Metoporhaphis calearata 906 )
Metoporhaphis calcarata 0.5 Alpheus heterochaelis 189 Alpheus heterochaelis 0.4 Alpheus normanni 144 j Mantis shrimp 0.2 Palaemon floridanus 117 1
i II-65 ,
Table II-15. Comparison by unit of mean 24-hr catches (numbers and biomass) of.all invertebrates, March 13, 1977-March 13, 1978. (Data are presented as maan numbers of individuals per 24 hr. Mean biomass (kg) per 24 hr is in p arentheses. The number of days sampled in each month is given in Table II-3.)
Month Unit 1 Unit 2 Unit 3 Total i
Marcha 323 930 1,518 2,771 (2.'0) (8.0) (14.2) (24.2)
April 9 206 800 1,015 (0.3) (6.4) (25.9) (32.6)
May 56 44 326 426 (O.9) (2.4) (23.3) (26.6)
June 151 149 267 567 (0.9) (2.1) (3.3) (6.3)
July 377 1,240 1,327 2,944 (1.9) (6.1) (8.9) (16.9)
August 484 1,222 1,044 2,740 (2.8) (6.8) (7.7) (17.3)
September 180 468 908 1,556 (3.1) (9.8) (26.4) (39.3)
October 149 98 404 651 (0.9) (1.8) (10.5) (13.2)
November 484 Unit was 1,368 1,852 (2.9) shut down (25.6) (28.5)
December 297 Unit was 750 1,047 i
(3.6) shut down (18.0) (21.6)
January 1978 1,162 1,466 2,550 5,178 (6.0) (9.1) (15.1) (31.0)
February 433 858 1,670 2,961 (1.3) (3.8) (8.1) (13.2)
Yearly Mean/24 hr 346 679 980 2,005 (2.1) (5. 6) (14.9) (22.6)
"Three 24 hr samples were taken in March 1977 and two were taken in March 1978.
II-66
Table II 16.. Comparison of ranking on the basis of numeri. cal abundance and biomass of finfish and invertebrates collected at CRPS, March 13, 1977-March 13, 1978.
Ranking Organism Number of Individuals Abundance Bioulass FINFISH -
Scaled sardine 1 1 Bay anchovy 2 8 Pinfish 3 5 Sea catfish 4 3 Silver perch 5 4 Atlantic thread herring 5 6 Polka-dot batfish 7 2 Spot 8 13 Scrawled cowfish 9 7 Silver jenny 10 11 INVERTEBRATES Pink shrimp 1 2 Portunus gibbesii 2 3 Metoporhachis calcarata 3 6 Blue crab 4 1 Trachvpenaeus constrictus 5 9 Squid 6 4 es I
(
II-67
Table II 17 Length and biomass data for important species (commercially, numerically, or by biomass)
-impinged at CRPS. (Data from one sampling period per month. Means calculated from up to 30 randomly selected individuals.)
HARCli 18-19, 1977 No. Length (mm) Biomass (g)
Analyzed Spe.:ies Hean Minimum Maximum Hean Minimum Maximum FINF ISil 2 Atlan-ic stingray 175 160 190 197.5 145.0 250.0 1 Scalen sardine 122 48.0 - -
2 Atlanti thread herring 156 152 160 75.0 75.0 75.0 11 Bay anchwy 57 46 65 2.1 0.9 3.2 47 Polka-dot batfish 107 37 195 81.7 1.3 153.0 y 3 Pigfish 96 64 100 24.3 11.3 31.0 i 10 Pinfish 76 24 95 10.4 0.3 18.9
$ 3 Spot 37 35 42 1. 2 0.9 1.4 -
2 Hullet 26 25 27 0.3 0.3 0.3 6 Oce11ated flounder 17 34 64 2.7 1.2 6.2 30 Scrawled cowfish 152 90 205 162.7 34.0 342.0 8 Striped burrfish 145 82 210 185.5 65.0 374.0 INVERTEBRATES 12 Squid 56 31 115 5.7 1.2 17.0 46 Pink shrimp 109 80 142 9.7 3.7 21.0 1 Blue crab 149 - -
189.0 - -
2 Stone crab 69 65 73 127.5 65.0 190.0
Table 11-17. (Cont' d. )
APRIL 5-6, 1977 No. Length (mm) Biomass (g)
Analyzed Species Hean Minimum Maximum Mean Minimum Maximum FINFISH >
11 Bay anchovy 58 44 67 2.2 1.1 3.1 46 Polka-dot batfish 148 39 201 131.1 1.6 209.8 60 Pinfish 29 22 41 0.6 0.2- 1.7 61 Spot 43 33 57 1.4 0.f 3.9 30 Mullet . 29 26 36 0.5 0.2 0.7 10 Scrawled cowfish 160 118 210 135.5 70.8 320.0 2 Striped burrfish 72 65 79 44.2 30.7 55.7 N INVERTEBRATES A
- 2 Squid 64 55 74 9.2 5.5 12.8 60 Pink shrimp 116 87 150 14.9 6.2 32.9 .
22 Trachypenaeus constrictus 26 35 49 0.5 0.4 0.9 30 Palaemon floridanus 37 27 42 0.6 0.1 0.9 2 Alpheus heterochaelis 42 34 39 2.1
' 1.0 3.2 1 Portunus gibbesii 19 - -
0.4 - -
51 Blue crab 113 35 176 99.5 3.3 234.9 1 Stone crab 32 - -
12.6 - -
17 Xanthidae (unident.)' 12 6 17 0.6 0.1 2.6 1 Libinia dubia 7 - -
0.3 - -
15 Metoporhaphis calcarata 7 4 11 0.5 0.1 0.9
Table II-17 (Cont'd.) .
MAY 5-6, 1977 No. Length (usi) Biomass (g)
Analyzed Species Hean 1:3nimum Maximum Hean Minimum Maximum FINFISH 25 Bay anchovy 57 49 62 2.2 1.6 2.8 13 Polka-dot batfish 166 136 188 142.6 81.6 239.3 1 Pigfish 37 - -
1.4 - -
5 Pinfish 40 37 43 1.5 1.1 2.0 60 Spot 48 38 70 2.2 1.1 3.9 2 Mullet 42 40 44 1.6 1.4 1.8 H INVERTEBRATES Y
g 1 Hantis shrimp damaged - -
11.6 - -
Pink shrimp 16 123 102 146 14.8 8.3 23.8 3 Palaemon floridanus 39 34 41 0.6 0.4 0.7 3 Alpheus heterochaelis 51 48 57 4.3 3.5 4.6 1 Portunus gibbesii 39 - -
5.9 - -
35 Blue crab 121 76 168 111.0 31.8 270.2 2 Stone crab 35 21 49 12.8 3. 8 , 21.8 4 Neopanope _texana 13 11 16 0.9 0.3 1.9 3 Libinia dubia 27 14 38 8.9 1.1 16.2
Table II-17. (Con t' d. )
JUNE 4-5, 1977 No. . Length (mm) Biomass (g)
' Analyzed Species Hean Minimum Maximum Hean Minimum Maximum FINFISH 4 Bay anchovy 56 50 58 2.0 1.2 2.4 25 Polka-dot batfish 157 113 182 113.0 44.6 159.6 1 Black seabass 93 - -
20.1 - -
32 Pinfish 54 37 90 5.1 1.5 20.3 9 Spot 56 47 78 3.7 1.9 10.5 1 Scrawled cowfish 182 - -
190.8 - -
H INVERTEBRATES 5w 3 Squid 42 34 52 2.4 1.3 4.0 10 Pink shrimp 118 103 139 14.4 11.1 20.1 7 Palaemon floridanus 38 33 42 0.7 0.5 0.9 21 Portunus gibbesii 27 .17 50 1.6 0.3 12.7 45 Blue crab 96 35 160 71.5 3.5 227.9 2 Stone crab 40 37 44 17.7 11.0 ' 24.3 3 Libinia dubia 18 13 24 2.2 0.7 4.0 6 Metoporhaphis calcarata 8 6 10 , 0.6 0.3 1.0 e
a
Table II-17. (Cont'd.)
JULY 6-7, L977 No. Length (mm) Biomass (g)
Analyzed Species Hean Minimum Maximum Mean Minimum Maximum FINFISH .
47 Polka-dot batfish 154 128 183 116.7 62.8 188.2 3 Pigfish 46 45 48 2.3 2.2 2.6 8 Pinfish 50 42 64 3.3 1.6 6.3 34 Silver perch 36 25 55 1.1 0.4 3.1 1 Spotted seatrout 35 - -
0.6 - -
4 Spot 70 68 76 6.8 3.7 8.4 1 Striped burrfish 23 - -
1.2 - -
H Y INVERTEBRATES w
PJ 48 Squid 40 25 58 2.5 0.5 7.8 76 Pink shrimp 63 23 105 1.9 0.3 8.8 8 Trachypenaeus constrictus 36 27 40 0.4 0.2 0.6 i 1 Palaemon floridanus 39 - -
0.6 - -
69 Portunus gibbesii 31 13 45 2.4 0.2 6.2 9 Blue crab 130 38 192 118.1 4.5 166.5 1 Stone crab 70 - -
105.6 - -
. 17 Neopanope texana 12 6 21 0.9 0.1 3.5 1 Libinia dubia 19 - -
2.4 - -
2 Metoporhaphia calcarata 10 9 11 0.6 0.5 0.7 t
1 I
Table II-17.. (Cont'd.)
AUGUST 1-2, 1978 No. Length (nua) Biomass (g)
Analyzed Species Hean Minimum Maximum Mean Minimum Maximum FINFISH 2 Atlantic stingray 122 111 134 66.6 55.3 77.9 1 Bay anchovy 47 - -
1.2 - -
40 Polka-dot batfish 150 129 181 102.8 66.1 155.1 1 Pinfish 47 - -
2.8 - -
5 Silver perch 42 37 59 1.6 1.0 3.0 1 Spotted seatrout 50 - -
2.0' - -
2 Spot 68 54 81 6.4 2.8 10.0 g
1 Striped burrfish .20 - -
0.8 - -
H w
INVERTEBRATES 11 Squid 54 34 109 9.7 1.8 41.9 90 Pink shrimp 58 36 86 2.1 0.5 6.3 8 Trachypenaeus constrictus 36 31 43 0.6 0.3 0.8 90 Portunus gibbesii 31 15 46 2.4 0.6 6.9 17 Blue crab 85 37 139 82.5 5.4 224.2 36 Neopanope texana 12 7 17 0.7 0.2 2.1 1 Libinia dubia 27 - -
2.8 - -
20 Metoporhaphis calcarata 9 6 10 0.4 0.2 0.6 e
1
Table 11-17. (Cont'd.)
SEPTEMBER 9-10, 1977 No. I.ength (mm) Blomass (g)
Analyzed Species Mean Minimum Maximum Mean Minimum Maximum FINFISli 2 Bay anchovy 35 30 40 0.5 0.3 0.7 18 Polka-dot batfish 152 106 185 108.7 64.1 174.4 3 Pinfish 73 53 84 11.3 3.9 15.7 3 Silver perch 43 36 48 1.9 1.0 2.4 1 Spotted seatrout 55 - -
2.3 - -
2 Scrawled cowfish 16 14 17 0.6 0.5 0.8 3 Striped burrfish 21 16 35 1.8 0.4 6.0 H
H
- INVERTEBRATES s
1 Squid 80 - -
16.2 - -
31 Pink shrimp 63 39 113 1.7 0.3 9.5 6 Trachypenaeus constrictus 40 37 43 0.5 0.4 0.6 13 Portunus gibbesii 32 23 51 3.3 0.7 16.4 62 Blue crab 105 36 134 75.9 2.6 179.4 9 Stone crab 17 9 26 1.8 n.3 5.6 118 Xanthidae (unident.) - - -
- 0. 7 -
4 Libinia dubia 32 7 46 13.3 0.1 25.1 56 Metoporhaphis calcarata 7 6 10 0.3 0.1 0.7
Table 11-17 (Cont'd.)
No. DCTOBER 3-4. 1977 Length (mm) Biomass (g)
_ Analyzed Species hean Minimum Ma' ximum Mean Minimum Maximum FINFISit 1 Bay anchovy 44 - -
17 0.8 - -
Polka-dot batfish 145 100 183 95.6 22.1 142.8-2 Pinfish 94 91 98 22.4 20.0 24.9 INVERTEBRATES g 8 Pink shrimp .
82 50 102 5.2 0.7 H 8 Portunus gibbesii , 10.2 24 9 45 2.3 0.1 b 43 Blue crab 8.1 125 38 178 126.2 4.9 1" 26 Stone crab 316.3 27 11 60 9.6-54 Neopanope texana 13 0.3 64.4 6 Metoporhaphia calcarata 7 20 1.1 0.2 3.4 8 6 10 0.4 0.2 0.7 i
1 Taule II-17. (Cont' d. )
DECEMBER 3-4, 1977 No.- Length (mm) Biomass (g)
Analyzed Species Mean Minimum Maximum Mean Minimum Maximum FINFISH- - -
2 Bay anchovy 50 47 53 2.3 0.8 1.5 11 Sea catfish 84 70 93 8.1 3.6 11.6 26 Polka-dot batfish 143 100 167 94.1 38.8 165.1 2- Crevalle jack 149 146 153 76.1 70.3 81.9 1 White grunt 39 - -
1.3 - -
11 Pinfish '73 65 84 10.1 7.3 15.7 21 Silver perch 63 54 138 7.1 2.7 60.1 5 Spot 91 85 93 14.2 11.8 16.5
- y. 2 Scrawled cowfish 40 38 43 5.8 5.3 6.4
,f 1 Striped burrfish 154 - -
131.3 - -
4 INVERTEBRATES 4 Squid 74 35 116 26.5 1.4 . 63.0 1 Mantis shrimp 92 - -
10.6 - -
34 Pink shrimp 90 40 119 7.E 0.7 19.7 5 White shrimp 138 114 168 23.5 22.4 29.5 8 Trachypenaeus constrictus 37 35 41 0.6 0.5 0.8 49 Portunus gibbesii 28 19 58 2.4 0.' 18.0 28 Blue crab 109 23 167 104.1 0.8 222.2 2 Stone crab 27 14 40 11.6 1.5 21.8 5 Neopanope texana 13 10 1.2 0.5 19 1.9 24 Metoporhaphis calcarata 8 5 11 0.4 0.2 0.9 9
Table II-17. (Cont'd.)
JANUARY 3-4, 1978 No. Length (mm) Biomass (g)
Analyzed Species Hean Minimum Maximum Hean Minimum Maximum FINFISH 72' Scaled sardine 78 59 140 10.2 3.1 55.3 74 Atlantic thread herring 85 57 121 7.8 2.8 29.0 9 Bay anchovy 46 30 72 1.1 0.3 3.5 90 Sea catfish 83 73 . 92 7.5 5.2 11.1 47 Polka-dot batfish 133 74 188 92.7 17.9 229.8 2 Silver jenny 73 71 10.5 1
75 10.1 10.9 1 Pigfish 81 - -
11.3 - -
68 Pinfish 63 44 88 7.0 1.9 19.4 U 56 Silver p2rch 69 60 89 6.3 3.3 14.4
$ 9 Spot 81 77 86 10.0 7.0 11.4 ao 2 Hullet 23 23 23 0.2 0.2 0.2 4 Scrawled cowfish 49 25 105 15.6 2.2 63.8 4 Striped burrfish 119 86 153 110.7 62.0 170.2 INVERTEBRATES 2 Squid 116 9 135 59.4 34.7 84.1
- 7. Pink shrimp 98 85 98 9.4 7.3 11.4 11 Portunus gibbesii 34 24 54 1.0
_ 3.9 15.4 2 17 Blue crab 51 28 114 17.5 2.1 88.0 1 Neopanope texana 13 O.9 - -
90 Metoporhaphis calcarata 9 5 13 0.5 0.1 1.1 9
4
=. _
Table II-17. (Con t' d. )
FEBRUARY 1-2, 1978 No. I.angth (mm) Biomass (g)
Analyzed Species Hean Minimum Maximum Mean Minimum Maximum FINFISH 10 Bay anchovy 53 39 69 1.6 0.6 3.2 9 Polka-dot batfish 88 34 171 49.7 1.7 19 7.8 1 Black seabass 162 - -
159.3- - -
1 Cray snapper 79 - -
12.0 - -
64 Pinfish 64 47 89 6.1 2.0 15.8 41 Silver perch 69 47 97 6.4 2.4 17.8 9 Spot 75 66 92 8.5 7.0 14.'2 y 14 Oce11ated flounder 39 32 46 1.5 1.0 2.5 36 Scrawled cowfish 45 20 64 5.7 1.1 10.4 INVERTEBRATES 66 Pink shrimp 62 20 128 6.1 1.1 12.9 31 Palaemon floridanus 43 37 49 0.6 0.3 0.8 14 Alpheus heterochaelia 43 32 49 2.0 -
0.9 3.2 2 Blue crab 30 30 30 2.4 2.3 2.6 4 Neopanope texana 13 7 19 1.9 0.2 3.5 28 Metoporhaphis calcarata 10 6 12 0.5 0.2 1.0 6
e
Table II-18. Overall lengths and biomass of important species (commercially, numerically, or by biomass) impinged at CRPS, March 13, 1977-Harch 13, 1978. (Heans calculated from Table I1-16).
No. Length (mm) Bfomass (g)
Analyzed Species Mean Maximum Minimum Mean Maximum Minimum FINFISH 4 Atlantic stingray 148 111 190 132.0 55.3 145.0 73 Scaled sardine 100 59 140 29.1 3.1 55.3 76 Atlantic thread herring 120 57 160 41.4 2.8 75.0 79 Bay anchovy 50 39 72 1.6 0.3 3.5 101 Sea catfish 84 70 93 7.8 3.6 11.6 367 Polka-dot batfish 139 34 201 100.4 1.3 239.3 fj 2 Black seabass 128 93 162 89.7 20.1 159.3 a 2 Crevalle jack 149 146 153 76.1 70.3 81.9
$ 'l Gray snapper 79 - -
12.0 -
2 Silver jenny 73 71 75 10.5 10.1 10.9 1 White grunt 39 - -
1.3 - -
8 Pigfish 65 37 100 1.4 31.0 9.8 264 Pinfish 60 22 98 7.8- 0.2 24.9 162 Silver perch 56 25 138 4.4 0.4 60.0 3 Spotteu seatrout 47 35 55 1. 6 0.6 2.3 163 Spot 73 33 163 12.7 0.5 72.4
, 36 Mullet 30 25 44 0.6 0.2 1.8 20 Oce11ated flounder 28 32 64 2.1 1.0 6.2 85 Scrawled cowfish 92 14 210 73.8 0.5 342.0 20 Striped burrfish 79 16 210 67.9 0.4 374.0 ,
INVERTEBRATES 93 Squid 63 25 135 15.0 0.5 84.1 2 Mantis shrimp , 92 - -
11.1 10.6 11.6 448 Pink shrimp ', 80 23 150 8.2 0.3 64.0 8
Table II-18. (Cont'd.) ,
No. Length (aus) Biomass (g)
Analyzed Species Mean Maximum Miniatus Hean Maximum Minimum 6 White shrimp 143 114 168 21.7 20.0 29.5 86 Trachypenaeus constrictus 36 27 51 0.5 0.2 1.7 72 Palaemon floridanus 39 27 49 0.6 0.1 0.9 19 Alpheus heterochaelis 45 32 57 0.9 2.8 4.6 307 Portunus gibbesii 29 12 58 2.7 0.1 18.0 330 Blue crab 102 23 192 89.6 0.8 316.3 50 Stone crab 37 91 73 33.4 0.2 140.0 126 Neopanope texana 13 7 21 0.1 0.9 3.5 135 Xanthidae (unidentified) 12 6 0.6 17 0.1 2.6 U 15 Libinia dubia 22 7 52 7.5 0.1 25.1 1H 235 Metoporhaphis calcarata 8 4 I? 0.4 0.1- 1.1 s
^
l
legla 11-16' VUeldeJs oJ AeaJeuaa ;oa uaeu unuqaas og ;iuJTSq sup JuAaaauqavaas iud uSaP i 81 3HdS dna IDO 8 /Tuaena neaaa-Houaq G84: lima nut 1 1TPa geaSa nyup gameyupa2 Houay G3DH33S 03 dH33GOH II 86 C E E I I VIS dINdISH vv vv ** vv N3 NS NS yaIeuaya sayuSaeX vv yv NS yv NS HS NS syayad asI sv vv vv yv NS NS NS soetap seapyua ,v yv vv yv y NS NS V3IeuaTD 343aep yaaayuS- ,, vv NS vv NS NS NS ge4 euayoAA vv yv vv ev NS NS NS sac 753JT84 sv vv v vv NS NS NS U doIM8-P01 983JTsy vv vv vv yv NS yv NS
,v yv 32aAella [eaM NS NS NS NS NS
' n yatsuats gnudea vv yv uv yv NS NS NS paeX sueddaa vv NS NS NS NS NS HS sdoagyu uofeaav ,v yv yv NS vv NS NS
,, yv yv v vv STIAaa [auuX y NS l DJnuas NS vv vv vv NS NS NS M4lla 8anua yv vv yv NS NS sv NS dTSJTsM v vv yv vv NS NS NS ggaadsyaep NS NS NS v NS NS ,y dTuJTsy ,v yv ,v yv NS NS NS yv yv yv yv sv STIAoa dnaaM NS NS sdoaaap savaaona yv vv vv yv NS NS NS yv yv vv sdol vv NS NS HS yateuaya sdePoJT84 . sv yv NS vv NS sv NS NnIIaas yv vv NS v NS NS NS S1JT dap unIIaa NS sv ve NS NS NS NS l HB39JT84 vv vv NS NS NS NS NS 0asIIeaap ;tonupaJ 'vv vv vv vv NS NS ,y oacuSa 3TI3JTsy v vv NS vs NS NS NS f
Table 11 19 (Cont'd)
Honth Day: Time Unit Tide Barge Wind Remainder Month DEGREES OF FREEDOM 11 89 3 2 2 1 1 418 Scrawled cowfish ** ** NS ** NS
- NS Southern puffer ** ** ** NS NS HS
- Striped burrfish ** ** NS ** NS
- NS INVERTEBRATES ** ** ** ** ** g3 33 Brief squid ** ** ** ** NS
- NS Mantis shrimp ** ** ** HS
- NS NS g
H Pink shrimp ** ** ** ** ** NS NS
$ White shrimp ** ** NS
- NS NS NS w Trachypenaeus constrictus ** ** ** NS *
- NS Palaemon floridanus ** ** ** ** NS NS NS Alpheus heterochaelis ** ** ** NS NS NS
- Blue crab ** ** ** ** ** NS NS Portunus gibbesii ** ** ** ** ** ** NS Stone crab ** ** ** ** NS NS NS Neopanope texana ** ** NS
- NS NS HS Libinia dubia ** ** NS ** HS NS NS Metoporhapsis calcarata ** ** ** **
- NS HS TOTAL ORGANTSMS
- ** ** ** ** NS NS NS
- P <0.01
- P <0.05 N.S. s-Not statistically significant i -
Table II- 20 Analysis of variance for mean biomass of finfish and invertebrates impinged at CRPS per 100m3/ intake water.
Honth Day: Time Unit Tide Barge Wind Remainder Month DEGREES OF FREEDOM 11 89 3 2 2 1 1 418 FINFISil ** ** ** ** NS ** NS Atlantic stingray ** ** NS ** NS NS **
Shrimp eel ** ** ** ** NS NS NS Scaled sardine ** ** ** c*
- ys y3 Atlantic thread herring ** ** ** ** NS NS NS Bay anchovy ** ** **
- NS NS NS Sea catfish ** ** NS ** NS NS NS y Polka-dot batfish ** ** ** ** NS **
- 1 Crevalle jack ** ** NS **
- NS NS
$ Atlantic bumper ** ** NS NS NS NS NS Gray snapper ** NS NS NS NS NS NS Spotfin nojarra ** ** . ** NS NS ** NS Silver jenny ** ** **
- NS NS NS Grunts ** ** ** ** NS NS NS White grunt ** **
- NS NS
- HS Pigfish ** ** ** ** NS NS NS Sheepshead NS NS NS
- NS NS **
Pinfish ** ** ** ** NS NS NS Silver perch ** ** ** ** HS NS **
Spotted seatrout ** ** * ** NS NS NS Spot ** ** ** ** NS NS NS Atlantic spadefish ** ** NS NS NS
- NS Hullet * ** ** NS NS NS NS Striped mullet s
- ** ** NS NS NS
- Barbfish ** NS NS NS HS NS NS
^
Oce11ated flounder ** ** ** ** NS NS
- Orange filefish * ** NS ** NS NS NS l
Table II-20. (Cont'd)
Honth Day: Time Unit Tide Barge Wind Remainder Month DEGREES OF FREEDOM 11 89 3 2 2 1 1 418 Scrawled cowfish ** ,
- * ** NS ** NS Southern puffer ** ** *
- ys ys y3 Striped burrfish ** ** NS ** NS * **
INVERTEBRATES ** ** ** ** ** NS NS Brief squid ** ** ** *d NS
- HS Hantis shrimp ** ** ** NS NS NS NS H Pink shrimp ** ** ** ** ** NS NS y White shrimp ** ** NS
- NS NS ~ NS m Trachypenaeus constrictus ** ** ** NS *
- NS
- ~
Palaemon flor 1danus ** ** ** ** NS NS
- Alpheus heterochaelis ** ** **
- NS NS **
Blue crab ** ** ** ** ** NS NS Portunus gibbesii ** ** ** ** ** ** NS Stone crab ** ** ** ** NS
- NS Neopanope texana ** ** NS ** NS NS NS Libinia dubia ** NS NS ** NS NS NS Metoporhaphis_ calcarata ** ** ** **
- NS NS TOTAL ORGANISMS ** ** ** **
- NS NS
- = P <0.01
- =
P $0.05 NS = Not statistically significant.
i
Table 11-21. Results of Duncan's Multiple Range Test of mean numbers and biomass of finfish and fuverte-brates impinged per 1003 m of intake water at CRPS during the four sampling periods. (A line appears under the sampling period for which means are not significantly different, P <0.05.)
NUMBERS OF INDIVIDUALS BIOMAES HIRh Low liigh Low FINFISH Dusk Night Dawn Day Dusk Night Dawn Day Shrimp eel Dusk Night Dawn Day Dusk Night Dawn Day Scaled sardine Dusk Hight Dawn Day Dusk Night Dawn Day H
Y Atlantic thread herring N. S. Night Dusk Dawn Day Bay anchovy Night Dusk Dawn Day Night Dusk Dawn Day Sea catfish Dusk Day Night Dawn N. S.
Polka-dot batfish Dusk N1ght Day Dawn Dusk Day Night Dawn Atlantic bumper Dusk Night Dawn Day N. S.
Spotfin mojarra Dusk Day Night Dawn Dusk Day Night Dawn Silver jenny Dusk Dawn Night Day Dusk Dawn Night Day Grunts ' Dusk Night Dawn Day Dusk Night Dawn Day White grunts Dusk Night Dawn Day Dusk Night Dawn Day Pigfish . Dusk Night Dawn Day Dusk Night Dawn Day I
Table II 21. (Cont'd).
NUMBERS OF INDIVIDUALS BIOHASS Iligh Low Hi al. Low Pinfish Dusk Night Dawn Day Dusk Hight Day Dawn _
Silver perch Night Dusk Dawn Day Night Dusk Dawn Day Spotted seatrout Night Dawn Dusk Day Night Dusk Dawn Day Spot Dusk Night Dawn Day Dusk Hight Dawn Day Hullets H. S. Day Dusk Night Dawn _
Ua Striped mullet N. S.a Day Dusk Night Dawn
$ Ocellated flounder Night Dusk Dawn Day Dusk Night Dawn Day Scrawled cowfish H. S. Dusk. Dawn Night Day Southern puffer Dusk Night Dawn Day Dusk Night Dawn Day INVERTEBRATES Night Dusk Dawn Day hi'g ht Dusk Dawn Day Brief squid Night Dusk Dawn Day Night Dusk Dawn Day Hantis shrimp Hight Dusk Dawn Day Night Dusk Dawn Day Pink shrimp Hight Dusk Dawn Day Night Dusk Dawn Day
\
aStatistical anomaly: ANOVA showed significtace between time period; Duncan's Multiple Range Test showed no 'significant difference.
A
Table II- 21. (Cont'd).
NUMBERS OF INDIVIDUALS BIOMASS Iligh Low High Low Trachypenaeus constrictus NiRht Dusk Dawn Day Night Dusk Dawn Day Palaemon floridanus Dusk Hight Dawn Day Dusk Night Dawn Day Alpheus heterochaelis Dusk Hight Dawn Day Dusk Night Dawn Day Blue crab Dusk Night Dawn Day Dusk Night Dawn Day Portunus gibbesii Night Dusk
. Dawn Day Night Dusk Dawn Day H
H Stone crab Dusk Night Day Dawn Dusk Night Dawn Day Hetoporhaphis calcarata Night Dawn Dusk Day Night Dawn Dusk Day TOTAL ORGANISHS Hight Dusk Dawn Day Dusk Night Dawn Day
Table II '22. Results of Duncan's Multiple Ranga Test of mean numbers and biomass of finfish and invertebrates impinged at Units 1, 2, and 3, per 1003 m of intake water at CRPS. (A line appears under units for which means are not significantly different, P <0.05.)
NUMBER OF INDIVIDUALS BIONASS High Low High Low FINFISH Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Atlantic stingray Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Shrimp eel Unit 3 Unit 2 Unit 1 Unit 3 Unit 2 Unit 1 N
- Scaled sardine Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Unit 2 Atlantic thread herring Unit 3 Unit 2 Unit 1 Unit 3 Unit 2 Unit 1 Bay anchovy Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Sea catfish Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Unit 2 Polka-dot batfish Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Crevalle Jack N. S. Unit 3 Unit 1 Unit 2 Atlantic bumper N. S.a N. S.
Silver jenny H. S.a Unit 3 Un,it 2 Unit 1 Grunts Unit 3 Unit 2 Unit 1 Unit 3 '
Unit 2 Unit 1 a
statistical anomaly: ANOVA showe'd significance between units; Duncan's Multiple Range Test showed 1
no significant difference.
Table II-22. (Cont'd).
NUMBER OF INDIVIDUAI.S BIOHASS High Im High Low Pigfish Unit 2 Unit 3 Unit 1- Unit 3 Unit 2 Unit 1 Sheepshead Unit 2 Unit 1 Unit 3. Unit 2 Unit 1 Unit 3 Pinfish Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Silver perch Unit 3 Unit 2 Unit 1 Unit 3 Unit 2 Unit 1 Spotted seatrout Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit i H
Spot 6
4 o
Unit 2 Unit 3 Unit 1 Unit 3 Unit 2 Unit 1 Atlantic spadefish Unit 2 Unit 3 Unit 1 N. S.
Hu11ets Unit 2 Unit 3 Unit 1 N. S.
Ocellated flounder Unit 2 Unit 3 Unit 1 Unit 3 Unit 2 Unit 1 Orange filefish Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Scrawled cowfish Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Southern puffer H. S. Unit 2 Unit 3 Unit 1 Striped burrfish Unit 3 Unit 2 Unit 1 Unit 3 Unit 2 Unit 1 INVERTEBRATES ', Unit 2 Unit 3 Unit 1 Unit 3 Unit 2 Unit 1 Brief squid Unit 2 Unit 3 Unit 1 Unit 2 Udit 3 Unit 1 4
4
Table II 22. (Cont'd).
NUMBER OF INDIVIDUALS BIOMASS High Low High Low Pink shrimp Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 White shrimp Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 Unit 2 Palaemon floridanus Unit 2 Uni: _
Unit 1 Unit 2 Unit 3 Unit 1 .
Alpheus heterochaelis N. S. Unit 3 Unit 2 Unit 1 Blue crab Unit 3 Unit 2 Unit 1 Unit 3 Unit 2 Unit 1 N
4 Portunus gibbesii Unit 2 Unit 3 Unit 1 Unit 3 Unit 2 Unit 1 H
Stone crab Unit 2 'Mt 3 Unit 1 Unit 3 Unit 2 Unit 1 Neopanope texana N. S.a Unit 3 Unit 2 Unit 1 Libinia dubia Unit 2 Unit 3 Unit 1 Unit 3 Unit 2 Unit 1 Metophorhaphis calcarata Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1 TOTAL ORGANISMS Unit 2 Unit 3 Unit 1 Unit 2 Unit 3 Unit 1
" Statistical anomaly: ANOVA showed significance between units; Duncan's Hultiple Range Test showed no significant difference between units.
1
Table II-23. Results of Duncan's Hultiple Range Test of mean numbers and biomass of finfish and 3
invertsneates impinged per 100 m of Antake water at CRPS listed according to whether tide was increasing, decreasing, or.mid-stage. A line appears under tide stages for which means are not significantly different, P <0.05.)
NUltilERS OF INDIVIDUALS BIONASS 4
liigh Low liigh Low Scaled sardine Increasing Decreasing Hid Increasing Decreasing Hid g Crevalle Jack N.S. Increat ,; - Decreasing Hid H -
6 Silver jenny Increasing Decreasing Hid N.S.
w Invertebrates Decreasing Increasing Hid Decreasing Hid Increasing Mantis shrimp Decreasing Increasing Hid N.S.
Pink shrimp Decreasing Increasing Hid Decreasing Increasing Hid Trachypenaeus constrictus Hid L ecrec s_i_ng n Increasing Hid Decreasing Increasing Blue crab Decreasing Hid Increasing Decreasing Hid Increasing Portunus gibbesii Decreasing Hid Increasing Decreasing Hid Increasing Hetoporhaphis alcarata Decreasing Increasing Hid Decreasing Increasing Hid
Table II-24. Maan-gumbers and biomass of finfish and invertebrates impinged per 100 da of intaka water at CRPS listed according' to whether barge traffic present or absent. (Only taxa for which this factor was significant (P <0.05) in the ANOVA (Tables II-19 and -20) are listed. Log-transformed means are listed in parentheses under the arithmetic mean. ] -
Number of Individuals Biomass (g)
Present Absent Present Absen't Finfish N.S. 5,139.891 3,451.884 (3.2945) (2.9859)
Polka-dot batfish 17.870 13.178 1,753.270 1,210.850 (1.0176) (0.8311) (2.8142) (2.5489)
Spotfin mojarra 3.954 0.687 23.556 5.035 (0.2222) (0.0753) (0.3533) (0.1339) ,
Silver jenny 8.104 1.255 N.S.
l (0.1062) (0.0475)
White grunt 2.916 0.150 7.072 0.496 (0.1283) (0.0372) (0.2048) (0.0708).
Atlantic spadafish 0.566 0.082 52.556 3.036 (0.0735) (0.0238) (0.1796) (0.0758)
Scrawled cowfish 10.105 3.077 273.731 78.103 (0.4501) (0.2594) (0.9702) (0.6720)
Striped burrfish 1.3 15 0.552 148.664 63.318 (0.2206) (0. 1155). (0.8850) (0.5109)
Brief squid 5.099 3.987 43.566 25.097 ~'
(0.4400) (0.3582) (0.8890) (0.7020)'
~
Trachyssnaeus constrictus 10.484 1.801" 6.436 1.036 (0.3072) (0.1807) (0.2505) (0.1385)
Potunus gibbesii 26.478 19.537 60.806 45.631 (0.9041) (0.7402) (1.1427) (0.9773)
Stone crab N. S. 16.779 13.187 (0.5440) (0.4901)
TOTAL ORGANISMS' 525.231 438.950 6,478.716 4,465.415 (2.2794) (2.0835) (3.5074) (3.2886)
II-93
Table II-25. Mean numbers and biomass of finfish and invertebrates w inged per 100 m 3of intake water at CRPS listed according to whether wind strong or negligible. (Only taxa for which this factor was significant (P 40.05) in the ANOVA (Table II-19.a'nd .'S) are listed. Log-transformed means are listed in parentheses under the arithmetic mean.]
Number of Individuals Biomass Strong Negligible Strong Negligible Polka-dot batfish N.S. 1,280.462 1,408.231 (2.5310) (2.6521)
Sheepshead 0.037 0.C04 6.521 0.831 (0.0043) (0.0011)- (0.0432) (0.0096)
Silver perch 7.400 32.271 36.956 218.633 (0.4164) (0.6380) (0.6656) (0.9753)
Striped mullet N.S. 0.090 2.265 (0.0183) (0.0530)
! Ocellated flounder 1.457 2.312 4.366 4.7214 (0.1079) (0.1801) (0.2101) (0.2480) ]
Southern puffer 0.866 1.514 N.S.
(0.1464) (0.2209) 1 Striped burrfish N.S. 27.008 100.434 (0.4950) (0.6552)
Palaemon _floridanus N.S. 2.726 1.224 I (0.2521) (0.1599)
Alpheus heterochaelis 2.288 1.005 5.643 1.937 (0.1299) (0.1157) (0.1705) (0.1610)
~
=a
/
9 l
II-94 i
. . , , . -,p ,.,.---9 , - . ,
Table II-26. Projected number of finfish and invertebrates impinged-at CRPS, March 13, 1977-March 13, 1978.
Month Finfish Invertebrates Total March 91,946 85,901 177,847 April 82,020 30,450 112,470 May 22,844 13,214 36,058 June 20,526 16,998 37,524 July 33,213 91,246 124,459 August 26,679 85,225 111,904 September 11,601 46,702 58,305 October 17,624 20,204 37,828 November 76,305 55,568 131,872 December 783,878 32,445 816,323 January 919,530 160,541 1,080,071 February 565,236 82,908 648,144 TOIAL 2,651,402 721,402 3,372,804 I
1 l
l 84 9
II-95
. -. . -_ ~ _ .
Tabis II-27. PrJjceted biomasa (kg) of finfich and invart:brates
. impinged at CRPS, March 13, 1977-March 13, 1978.
l Month Finfish Invertebrates Total March 2,545.1 750.2 3,295.3 April 961.9 964.7 1,926.6 May 272.5 827.6 1,100.1 June 1,307.8 187.1- 1,494.9 July 1,123.0 521.0 1,644.'O August 665.3 538.1 1,203.4 i September 344.7 1,179.0 1,523.7 l October 473.6 408.2 881.8 November 1,232.6 854.6 2,087.2 December 6,773.9 671.1 7,445.0 January 9,032.7 970.0 10,002.7 i February 2,688.0 369.6 3,057.6 TOTAL 27,421.1 8,241.2 35,662.3 we II-96
T:blo II-28. Commercial landings cf impartcnc cp;cico from ths Citrus Pasco County reporting area during 1975 and 1976 (Florida DNR 1975; United States Department of Connerce 1978).
1975 1976 Species Value Pounds value Pounds Blue crab $206,154 1,518,884 no data 2,091,055
$308,662 "
Striped mullet 2,112,392 1,641,687 Sbrimp $450,993 366,782 321,956 Crevc11e jack "
$ 20,647 262,164* 231,435 Stone crab $ 84,444 94,548 200,310
$ 37,780 "
Spotted seatrout 90,443 92,128 Grunt $ 18,473 "
88,038 66,104 Sheepshead S 3,064 20,799 Black seabass $ 1,663 11,267 8,778 i Gray snapper $ 1,120 2,886 3,555 )
M
- e II-97 ,
1
Table 11-29. Mean 24-hr impingement rates of finfish at CRPS Units 1,2 and 3 (1977-1978), CRPS Unit 2 (1972-1973), Anclote Power Station (1976), and TECO-Big Bend Power Station (1976-1977). (Biomass data in kg.)
Crystal River Crystal River Anclote TECO-Big Bend Units 1, 2, 3 Unit 2 1977-1978 1972-1973( 1976(b) 1976-1977(C)
(1,323,000 gpm) (328,000 gpm) (723,000 gpm) (723,000 gpm)
Honth Number Blomass Number Biomass ' Number Biomass Number Biomass January 29,662 291.4 472 24.3 113. 5.3 F
February 20,187- 96.0 1,728 50.6 52 (1976) -
111 5.8 4 1
g March 2,966 82.1 932 28.1 85 1.2
{787(1977)
Y e
April 2,734 32.2 333 11.9 80 1.9 I co l May 737 8.8 190,571 824.6 145 1.6 4 191 -
1 June 684 43.6 438 12.6 745 8.0 (_
July 1,071 36.2 2,384 12.6 118 2.5 August 891 21.5 92 5.4 89 1.6 417 -
September 387 11.5 92 2.6 17 0.6 %
october 568 15.3 298 5.8 72 2.6 November 2,544 41.2 282 15.8 218 12.6 4 265 -
December 25,286 218.5 666 36.4 304 13.0 HEAN 7,310 74.9 16,524 85.9 175 4.7 323
" Calculated from Snedaker (1974).
- (b) Calculated from Texas Instrnments (1977), Figures VII-4 and VII-5.
From Conservation ' onsultants '(1977), Table 7.2. . ,
-Table 11-30. Mean 24-hr impingement rates of invertebrates at CRPS Units 1, 2 and 3 (1977-1978), CRPS Unit 2 (1972-1973), Anclote Power Station (1976), and TECO-Big Bend Power Station (1976-1977).
(Biomass data in kg.)
Crystal River Crystal River Anclote TECO-Big Bend Units 1,2,3 Unit 2 -
'1977-1978 1972-1973 } 1976(b) . 1976-1977(c)
(1,318,000 gpm) (328,000 gpm) (465,000 gpm) _
(723,0M gpm)
Honth Number Biomass Number Biomass Number Biomass Number Biomass January 5,179 31.3 298 2.0 143 0.2 i February 1 2,961 13.2 220 2.0 168 0.4 [
Harch 2,771 24.2 131 1.0 490 2.3 {
s April 1,015 32.7 180 18.8 489 29.0 I H l 4 May 345 26.7 89 7.0 350 14.2 4 152 -
- June 567 6.2 316 3.2 1,525 7.4 L
' July 2,943 16.8 789 2.6 336 5.5 b 1
August 2,749 17.4 59 0.4 636 3.8 4 422 -
September 1,557 39.3 84 0.6 145 8.9 October 051 13.2 1.1
, 699 131 29.8 f November 1,852 28.5 84 0.5 139 29.8 [ 185 -
December 1,047 21.6 508 2.4 150 6.6
- HEAN 1,970 22.6 288 3.5 392 11.5 292 -
(" Calculated frca Snedaker (1974).
} Calculated from Texas Instruments (1977), Figures VII-4 and VII-5.
( FromConservationConsultantsk1977), Table 7.2.
I
Table II-31. Ranking (highest to lowest) of species by biomass imping.d at CRPS (1977-1978, 1972-1973) and at Anclote Power Station (1976).
Crystal River Crystal River Anclote 1977-78 1972-73 1976 Scaled sardine Atlantic threadfin Horseshoe crab Polka-dot batfish Pdika-dot batfish Blue crab Blue crab Striped burrfish Striped burrfish Pink shrimp Blue crab Pink shrimp Sea catfish. Scrawled cowfish Atlantic stingray Silver perch Tunicates Spotted eagle ray Pinfish Pinfish Scrawled cowfish Atlantic thread herring Squid Southern puffer Scrawled cowfish Silver perch Spot Bay anchovy Pink shrimp Spider crab J
~
. 1 i
l 1
II-100
Table II-32. Ranking (highest to lowest) of species by numbers impinged at CRPS (1977-1978), at Anclote Power Station (1976) and at Big Bend Power Station (1976-1977).
Crystal River Anclote Big Band ,
1977-78 1976-1977 1976 Scaled sardine Pink shrimp Bay anchovy Bay anchovy Spider crab Pink shrimp Pink shrimp Blue crab Silver perch
, Pinfish Portunis sp. Blue crab Sea catfish Silver perch Horseshoe crab Silver perch Silver jenny Portunid crab Portunis gibbesii Southern puffer Brief squid Metoporhaphis calcarata Spot Mantis shrimp Alcantic thread herring Mud crab Pinfish Polka-dot batfish Pinfish Sand seatrout 4
e
~e II-101
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~
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m H
$ Pink Shrimp '
I H F 60-Blue Cr [
z \
4 .5 0 -
w 2
Polko-dol Ballish 4 I I i i i i i i i l I i M A M J- J A S O N D J F 4
Fig. II-3.
Mean monthly biomass impinged at CRPS (cumulative numbers). (Does not include large clupeld catches in December and January.
. I
35,C00) 34,840 26,333 "
TOTAL NUMBERS 23,147 g 20400 f (ANNUAL MEAN/24-HR 9.251) j, Y
g 10,000 f, 5,737 3 5,C00 - C .
.a -
3 4,000-5 5 -
a g 3,000-u E 2,000-2 l.CCO -
M A M J J A S O N O J F TOTAL E10 MASS 400 -
( ANNUAL MEAN/24-HR-97.3 kg) 5
- 2 300 -
E T -
v N
3 000 - -
2 9
-
- 10 0 -
w 2
- Y A $ U U A S d N O U N l
Fig. II-4 Total mean monthly catch of finfish and invertebrates combined.
I II-105
NUMBERS OF FINFISH 29.662 g 30,000 3, 25,286 M 20.187
^ 18,000 d d 0
=
5,000--
- 966 5
o 3,000 - L~ ~
5 u.
o 2000-E m
s g 1,000 -
5 w
s , , , , , , , , , , , ,
M A, M J J A S O N D J F
- 3CO - FINFISH SlOMASS cz 5
E M 200 - -
cu
- s m
m 4
s o 10 0 -
r m
l z 5
i
=
l M kb) ) IS O N b) F
~
\
l Fig. II-5. Mean monthly impingement rates of finfish during the study period.
II-106
g SCCC-5 NUMEERS CF INVEn s dEMA ES R 5.178 m SCCO-2 ~3000-C l
E
=
- u. 2000-C
- 1 c ICCC -
2 )
i
= l ta s . s , , a s s 2 M A M J J A S O N O J F l
INVERTE3MAM 31CMASS E 36-4 27 --
R -
m '
m 18 -
2 0
- ig S-. I 2 I to , s 1 s s a s s a s s s s M A M J J A S O N O J F Fig. II-6. Mean monthly impingement rates of invertebrates during the study period.
II-107
OPERATIONAL
- - - - PREOPER ATIONAL 60-I \
50- 1 l I
I I
40- / i
$ I !
p\ l
[ t \
l ,
% I \
$30- -1 f
- \
gf m ', I \g D l l
< \
g 3 \ '
9 20- \ I l C s I !
% ~~
) ,
- j
\ /
\ /
10- s f
\
\
% s -
A M b ) A S b N O b F Fig. II-7. - Comparison of operational and preoperational biomass impinged at CRPF Unit 2.
l l
II-108
160-14 0 -
I 120- CPER ATION AL
--- PROJECT ED IMPINGEMENT FRCM PRECPERATIONAL DATA.
f 100- ,
' \
g d k m \t m 80- < f g7 2 \f S \
m 60- ,
\
\~
40- ,
/
20- -
\'
~
'V .
. . 6 i i e a e i i e i M A M J J A S O N D J F Fig. 11-8. Comparison of operational biomass' data with that projected from preoperational data.
II-109
Appendix II-1. Meanings of computer codes used in Appendicies II-2 and II-3.
b 6
4
- 9 aj' 6
,e
- G 00 9
e A
e M.
','W Y ' , ,
5.b \. , ,,
-ac a - )r
.g
- -Md '- -
3 Computer Code Scientific Name Common Name FISH Gnathostomata Finfish DASY_S Dasyatis sabina Atlantic stingray OPHI_G Ophichthus gomesi Shrimp eel HARE P Harengula pensacolae Scaled sardine OPIS 0 Ooischonema oglinum Atlantic thread herring ANCH_M Anchoa mitchel11 Bay anchovy ARIU F Arius felis Sea catfish OGCO R 0geocephalus radiatus Polka-dot batfish CARA H Caranx hippos Crevalle jack Chloroscombrus chrysurus Atlantic bumper
~
CHLO_C.
LUTJ_G Lutianus griseus Gray snapper EUCI_A Eucinostomus argenteus Spotfin mojarra EUCI_G Eucinostomus gula Silver jenny GRUNTS Pomadasyidae Grunts HAEM _P Haemulon plumieri White grunt ORT 3_C_ Orthopristis chrysoptera Pigfish ,
ARCH _P Archosagus probatocephalus Sheepshead l LAGO R Lagodon rhomboides Pinfish :
BAIR_C Bairdiella chrysura Silver perch l CYN0_N Cynoscion nebulosus Spotted seatrout LEIO _X Leiostomus xanthurus Spot CHAE_F Chaetodipterus faber Atlantic spadefish MULLE Muzilidae Mullets !
MUGI_C Mug11 cephalus Striped mullet SCOR_B Scorpaena brasiliensis Barbfish ANCY_Q Ancylopsetta quadrocellata Ocellated flounder ALUT_S Aluterus schoepf1 Orange filefish LACT _Q Lactophrys quadricornis Scrawled covfish SPHO_N Sphoeroides nephelus Southern puffer CHIL_S ,Chilomveterus schoepfi Striped burrfi,sh INVERT Invertebrata Invertebrate LOLL _B Lolliguncula brevis Brief squid SQUI_E Squilla empusa Mantis shrimp PENA _D Penaeus durorarum Pink shrimp PENA _S Penaeus setiferus White shrimp -
TRAC _C Trachypenaeus constrictus --
PALA_F Palaemon goridanus '
ALPH_H Alpheus h.at~rochaelis CALL _S Callinactes sapidus Blue crab PORT _G Portunus gibbesii MENI_M- Menippe mercenaria Stone crab NEOP_T Neopanope texana ;
LIBI_D Libinia dubia i MET 0_C Metoporhaphis calcarata l TOTAL All organisms
. II-1-1 i
i 1
Appendix II-2. Analysis of variance for mean numbers of important finfish ,
and invertebrates impinged at CRPS per 100 m3 of intake water. l i
l l
~
~a 9
(bP33Mf D if A 5I-50UA2f 5 &%AL1515 Of VARIA%((
L A R A.It 500mCL 0.f . !bH 08 SCUARIS FIAN 50UAuf5 t PRUS ERROR tlNE M0HTH DAVsMD li 2.635421 0.239584 2.666 0.0053 A9 1.?99s93 D A Y 8MD IIME 3 0.0S9885 14.440 0.0000 RfMAthDR 0.0 2 f- 340 0.008780 1.488 UNil 2 0.031R61 0.2391 RIMAINOR flDi 2 0.015934 2.560 0.0785 RfMAINOR SARCE 0.001356 0.00065a 0.106 0.8997 I 0.000245 0.000295 RIMAINOR Wl40 3 0.00010s 0.046 0.8305 AthAINDR REMAIN 0tR 486 0.000400 0.087 0.8950 RIMalNOR 2.601883 0.006225 L UI J.6 10 b4C f 0.f. SUM lif SOUARIS PEAN 50UAkf5 f PROS fRROR LINE MONTH ll 0.135820 DAYtMU A9 0.012341 1.125 0.0083 DAV8MO IIHF 0.351696 0.003952 0.951 0.6055 3 0.012908 RfMAINGR UNIT 2 0.004300 1.035 0.3110 RIMAINDR IIDI 0.052501 0.006253 1.505 0.2233 2 0.086442 RfMAINOR BAk&! 0.008228 3.978 0.1396 RfMAINOR l 0.000000 0.000000 WIND 3 0.000294 0.000 0.9933 RIMAINDR PfMAINDER 418 0.000296 0.078 0.1898 REMAINDP 1.131186 0.004156 HAtM.P SuuRCL D.I. SOM Of SQUARIS MLAN 50UAkf5 Ed i PROS (RROR LINE I MONTH 11 4.568596
- DAVsMO 89 0.415321 3.826 0.0002 D A V sMD IIMI 9.660154 0.308548 3.790 0.0000 3 0.414144 R EM AINOR pa UNIV 2 0.158048 5.549 0.0010 RIMAINDR T10f 0.04542b 0.020113 0.723 0.4858 2 0.066453 RIMAINDR takCl I 0.031226 1.160 0.3844 REMAINOR blhD 0.199219 0.199219 6.958 0.0087 3
0.009117 RfMAINDR StMAINott 436 0.009111 0.388 0.5129 RIMAINOR St.%)l318 0.028640 GRIILC 500 KCL 0.F. SUM Of 500 arf 5 MLAN SQUARES f PRus tRauR LINL MONTH ll 2.1494a1 0.249953 8.995 DAV89U 89 18.l75405 0.0385 D A V rMO IBMT 3 0.125563 3.117 0.0000 +
RfMAINOR UNai 8.%72503 0.524368 13.014 2 0.9156%4 0.0000 RIMAINOR fl0i 2 0.451821 II.366 0.0000 REMAINDR bakC1 0.03P122 0.019363 0.488 1 0.022661 0.6141 RFMAINOR WIke 0.022667 0.563 0.4536 f.fMAINDR RfMAINotR 1
0.020680 0.0206s0 0.513 41a 0.4741 RfMAINDR
- 16. P 3 t. 5 2 8 0.040219
, AR(II.P SuuRCt p.f .
Sur til 10uANf5 M( AH 50u4kf5 i PROS ERROR LINT M0hTH ll DAV8PU 0.0u'416 0.00049b I.147 av 0.038613 0.3358 O AV sMD llME '3 0.000434 1.196 0 8274 RIMAINOR Util i 0.000510 0.000870 e 0.002376 0.468 0.1047 SfMAINOR 18Df 2 0.0ul488 3.273 0.0388 REMAINDR bAkCI 0.0b0510 0.0002R5 I 0.0002a3 0.786 0.4565 RIMAINDR 0.000293 0.007 0.3696 kfMAINOR l
b l!.h 8 0.010 3't 0.050338 28.488 0.0029 RI M& luct R AfMAINOR 418 0.351725 0.0003&3 (TED.N 5bb4(f 0.f. SbH Uf 500AR85 M144 50UAkf5 i PSUB (RRha LINE MONin 18 8.020222 0.092141 DAVtPU 99 4.011 0.0001 O AV sMD 2.059049 0.023124 3.931 0.0000 AfMAINOR llMI 3 0.849838 0.049939 UN81 4.370 0.0063 RIMAINOF.
4 0.lu0515 0.0902&S 7.530 0.0006 RfMAINOR 186f 2 0.031184 0.016851 8.400 0.2458 S Aks.t REMAINOR 1 0.000175 0.000775 0.065 0.1993 RfMAINDR WIND I 0.089148 0.089148 3.649 0.1998 RIMAIMDR RLMAINDER 418 5.00%448 0.018915 MD61.C 500kCt 0.f . SUN Of 50uARIS MLAN SOUAAES PROS i f ERROR L INE MONTH ll 0.319327 0.0',6284 1.554 0.1266 04 V tMO 0418P0 A9 0.932342 0.r30476 3.455 0.0000 IIMF RfMAINDR 3 0.068265 0.029422 9.593 0.0000 RIMAINDR UNII 2 0.006362 0.003883 1.037 0.3555 AtMAINOR llof 2 0.006129 0.003364 1.097 0.3349 RIMAFNDR RARfE I 0.000026 0.000026 0.000 0.9268 afMalNOR WlhD 0.002426 0.002426 0.191 1
0.3144 alMAINOR RtMAINDfR 418 8.282305 0.003068 LDLL F p 5D DR C E 0.f . SUM Of 50UARf5 MLAN 50UAR15 f PROS ERROR LINE ,
FJ
[ Mrh1H DAttru
- 9 22 5552s7 2.050488 5.499 .0.0000 D A V *MD 3;<l 1451 0.312893 4.589 0.0000 RfMAINOR 3 IlMt 3 7.718705 2.512902 31.184 h3 UNIT 0.0000 AfMAINOR 2 4.318834 2.009051 25.189 0.0000 IIDI RfMAINDR 2 0.326832 0.063066 0.764 0.4662 REMAINOR DAR61 0.423312 1 0.423312 5.131 0.0240 RIMAINDR WING I .0.149866 0.349866 3.886 0.1185 RfMAINOR ttMAINttR 418 34.48allt 0.062500 PINA.D SOURf1 0.f . SUM Of 500ARis MI AN 500 ARES F PROS ERBUR L INE M ON TH 61.795919 5.799638 l ll 7.094 0.0000 D AV tMD DAYtMu 89 72.157037 0.817495 5.844 0.0000 l IBMT RIMAINOR 3 32.924548 10.914849 18.456 0.0000 RfMAINOR UNil 2 4.596295 2.298841 16.429 0.0000 REMAINOR Ilbf 2 2.851786 LAR61 3.426893 10.700 0.0000 RfMAINOR 3 0.002028 0.002025 0.014 0.9044 RIMalNDR WBAD I 0.002112 0.002112 0.020 0.8889 REMAINDR REMAIN 0lp 488 SR.472151 0.139686 4
PANA_5 4
50unft 0.f . SLN Ut Scusaf5 PtAN 50U Aal 5 i PRHR ERAUR LINT
] MPhTH I.44e903 0.138533 D& V aru ll 10.013 0.0000 D A V tMO 89 1.169868 0.011837 2.191 0.0000 RO M Alf30R llMF 5 0.033337 0.080446 8.744 0.1573 UNIT RfMAINDR I
4, 0.09221s 0.021831 3.529 0.0302 alMAINDR IIDf 4 0.087380 J
0.034*il 2.868 0.0519 ROMAINOR 64kft 0.0034A2 W II.0 3 0.003452 0.576 0.4482 RfMAINOR 1 0.000020 0.000020 0.003 0.9545 AfMAINOR I k i
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i a e e e II-2-5
W IT.e 1 0.0476R9 0.047489 REMAl10th 0.132 8.7165 Bl0AIOIR Alb 55.9s5tP5 0.133936 Aelp.7 SHURCE 0.f. SLM Hf ScuARf 5 MLAk 50UARE5 f PRDB (RROR LINE MONIH ll Ib6.230331 9.657303 DAVspu 10.241 0.0000 Dav sMO 39 83.941123 0.9424R5 29.550 0.0000 REMAINDR Tint 3 0.259217 0.Os6426 UNil 2.750 0.044R RIMAINDR 2 0.P97102 0.449558 84.064 0.0000 AIMAINOR libf 2 0.001969 0.003985 0.125 0.4826 AfMalNOR BARCl 0.0JI1R6 0.038986 blho 8
1.003 0.3112 BfMAINOR 1 0.03869s 0.038694 0.994 0.3894 REMAINDR FIMAINCIR 4th 43.333160 0.031894 06(0.8 SU DR f( D.F. Sun inf 50uARf 5 MEAN 50UARf5 F Prom (RROR LINE MONIH ll 41.176044 3.143271 DAVsMb 9.189 0.0000 DAYsMO 09 34.27P059 0.345341 4.240 IBMf 0.0000 alMAINOR 3 4.133839 8.517946 11.333 0.0000 REMAINDR UNil 2 14.293363 1.146585 78.683 IIDI 0.0000 BfMAINOR 2 0.039400 0.009700 0.807 0.8987 kfMAINOR DAE6L I 0.992667 0.992661 10.929 0.0010 AlMAINOR blhD 1 0.306167 0.306761 3.377 0.066R BEM AINDR P L P A IN DE R 41b 31.e65 790 0.090827 (HLO.C SOURCE 0.f . SUM Di SCUARIS MEAN 500ALf5 f PROS (RROR LINE F4 MDNIH hi ll 7.4J2964 0.615724 4.366 0.0000 DAVsM0 DAVEMu 89 43.174916 0.154774 I ,
5.864 0.0000 REMAINDR hJ IINf J 0.459974 0.153329 5.809 0.0001 FEMAINOR UMil 2 0.49Pl40 0.249070 IIDF 9.437 0.0003 RIMAINDR C 2 0.0479P4 0.023992 0.909 0.4037 REMAINDR BAR61 4 0.Os96Ps 0.089688 3.398 0.0660 StMAINDR WlhD I 0.006642 0.006642 REMAlhDER 0.252 0.6162 RfMAINDR 45m 18.032887 0.026394 IHLI.A SuuRft D.f . !bM 09 1CuAnts MIAN 500Akf5 PRup f (RADR LINE i'
MUNIH ll 12.9506R8 f.117335 DAYtrb 09 4.004 0.0001 O AV sH0 s
26.166525 0.294006 s.915 0.0000 RfMAINDR 4 IBMF 3 0.S6P376 0.859459 5.743 0.0007 RIMAINDR i Unil 2 0.352822 0.029098 i
Tlut 0.848 0.4822 AfMAIMDR '
2 0.1661?9 0.083079 2.536 0.0003 afMAINDR RAk6t 1 0.8892PI 0.589285 W il.D l 85.052 0.0003 REMAINDR 0.007942 0.007942 0.242 0.6227 RIMAINDB RE PA IN DE R %It 13.693078 0.032759
, E Ul l.L SutRCE 0. f . SLM pf 50uARf5 MIAh SOUARIS PRug f (8R04 LINE MONIH ll 13.137024 1.21700 t
D A V sMu 3.349 0.0007 O A v sM0 j
89 32.139014 0.363369 29.143 0.0000 RIMAINDR IIKI a* 0.Ib49e9 0.061656 4.945 0.0022 RIMAINDR UNil 2 0.0600P9 IIDI 0.040044 3.252 0.0433 afMAINDR i 0.122b10 0.061035 4.895 0.0079 RIMAINDR BAk6t 0.0787f9 0.013769 5.756 3
WIAD 0.0169 kfMAINDR I 0.000930 0.000930 0.075 0.1949 RfMAINOR l
Rt Cal 3Ct B 416 4.2 8 8 t lS 0.032468 LA60.R SuuRCt 0.f . SuP Hf SCUA815 M4AN 500 arf 5 f PROS tRROR LINE MDNIH 18 127.544565 13.604058 18.866 0.0000 D A7 ske DAVsPD 89 54.743046 0.615090 4.233 0.0000 agMAINDR TIME 3 7.898750 2.630583 18.094 0.0000 REMalNOR UNil 2 4.323629 2.068834 14 882 0.0000 REMAINOR Ilpf 2 0.C48132 0.024066 0.166 0.8475 alMAIN0i SAR64 3 0.001359 0.008359 0.009 3.9242 RIMAINUR blND 8 0.034250 0.034250 0.236 0.6277 REMAINOR S E M AIN DE R 43b 60.770506 0.145304 BAIR f SO UR C t 0.f . SUM Of 50UAnti MEAN 500 arf 5 f PROS (RROR LINE MONTH 11 342.566966 12.160633 39.349 0.0000 D AV sMO DAVsMO 89 59.686630 0.669850 4.890 0.0000 RIMAINOR Tint 3 6.784574 2.261525 36.500 0.0000 BfMA8NOR UNii 2 10.694578 5.347289 39.033 0.0000 REMAINOR T10f 2 0.069311 0.034665 0.253 0.7765 RIMAINOR SARCE . t 0.153037 0.l53037 1.117 0.2912 REMAINOR WINO I 0.9u0898 0.980888 7.160 0.0078 REMAIN 0R REMAINOLR 416 , 57.262898 0.136993 tilO X SUURCt 0.f . SUM pf 10UAtt5 MEAN SOUARES F PROR fRRUR tlNE F4 MONTH ll 61.2s509s 5.753191 85.305 0.0000 D AY BMG Fi DAYsMu A9 33.455489 0.375904 3.534 0.0000 RIMAINOR 1 IBMI 3 4.774792 1.59I597 14.962 0.0000 REMAINOR FJ UNIT 2 2.219711 3.309456 10.433 0.0000 REMAINOR I ilot 2 0.036821 0.088410 0 173 0.8431 Rf M Alft0R
'4 SAR61 8 0.000643 0.000643 0.006 0.9381 BIMAINOR .
WINO I 0.273294 0.273294 2.569 0.1097 REMAINDR 8(MAIN 0!R 414 44.464820 0.806375 CitA f .f SUURCE 0.f. SUM Uf 50UARf5 PLAN 50UARf5 f PROS ERROR LINE MONIH ll 5.050250 0.095477 2.901 0.0026 D AV sMO DAVsMu 89 2.929047 0.032983 2.265 0.0000 REMAINOR llMF J 0.043543 0.083714 0.944 0.4394 RIMAINOR UNil 2 0.163954 0.061977 5.641 0.0035 RIM AINOR llof 2 0.008883 0.000940 0.065 0.9373 RfMAINOR bAk6L I 0.813054 0.183054 7.642 0.0060 RI Mall 40 R NINO I 0.000774 0.000774 0.053 0.8116 RIMAINOR StHAlkDER 488 4.074bO3 0.014533 5(uR_8 SuuMCL *O.f. sum Of 50uARt5 M L AN 10UAbl5 i PRUR ERRUR LINE MDNIH ll 8.33p102 0.321700 6.795 0.0000 D A Y IMO DAVsMu 89 1.594079 0.017918 2.479 0.0000 REMAIN 0R TIMI 3 0.020048 0.006683 0.925 0.4266 RIMAINOR UHli 22 0.n32428 0.016284 2.244 0.1072 RIMAINOR Ilof 2 0.011827 0.00',563 0.730 0.4637 BIMAINbR R AkCE . l' O.002808 0.002800 0.3h9 0.$334 REMAINOR WIND 1 0.002774 0.002174 0.364 0.5359 RfMAINOR RIMAINDER 4th 3.0200F4 0.007225 l
l APLY_0 So ua fl 0.f. 50M fit 500 arf 5 M1AN SOUARIS F PROS (RADR tlNE N041H 43.9743I2 DAVtPU ll 3.997665 18.538 0.0000 O A V 8MD 89 19.243477 0.215882 IIMt 8.926 0.0000 RfMAINOR I
3 I.533374 0.581825 28.134 0.0000 REMAINOR uMBI 2 0.224217 0.132809 l
Ilbf 4.635 0.0802 RIMAINOR l
2 0.054028 0.027084 8.187 0.3282 R EM AI NOR SARGE 0.003210 l
Wlho I
0.003280 0.333 0.7158 RfMAINOR t 0.389584 0.389584 13.214 0.0003 REMAIN 0tR . 416 REMAIN 0R 10.309322 0.024885 ALUI_5 SOURf! 0.f . SLM Of SCUARf5 MEAN 50UARf5 f PROS ERROR LIME MONTH ll 6.129067 0.551188 OAftMG I.947 C.0436 O A V 3M O '
i t9 24.471739 0.286199 13.365 0.0000 RfMAINOR ilMf 3 0.051985 UNil 0.017305 0.800 0.4899 REMAINOR 2 0.654152 0.327376 15.287 0.0000 RfMAINOR IIDf 2 0.020372 0.010886 0.476 0.6288 REMAINOR 84t&E 1 0.024595 0.025195 WINO 1.177 0.2787 REMAINGR I 0.000743 0.000763 0.036 0.8503 RE MAIN 0t h RfMAINOR 4th 8.951382 0.028415 LAC 1.0 SuuRCE 0.f . SbH in ScuARIS mtAN SCUAkf5 F PROS ERROR LINE MON 1H DAYtMu ll 84.943388 7.722826 25.675 0.0000 D A v sMO h 29 26.767565 0.300759 9.085 0.0000 RIMAINOR g IBMI 3 0.257497 0.085832 pa uhli 2.593 0.0523 AfMAINOR 2 0.575040 0.287520 g IBGF 9.685 0.0002 REMAINOR 2 0.033572 0.016791 0.507 0.6025 atMAINOR 00 B Ak OL 0.177466 NINO 1 0.177466 5.361 0.0211 RfMAINOR I 0.088122 0.088722 FlMAINDER 418 2.600 0.1024 RIM 4tNOR 13.8398?0 0.033306 SPH0_N SuuR C L ' O.f . sum Of SCUARl5 MI AN 50UAkf 5 PRDB f (RRDA LINT MONIH DAVtru ll J4.190670 2.253697 15.577 0.0000 DAY MD 89 12.87e258 0.144677 IIME 5.023 0.0000 RIMAINOR 3 0.537740 0.119247 a.223 0.0004 REMAIN 0R UMll 2 0.3D?9*5 IIDI 0.05299e 1.840 0.1603 REMAINOR 2 0.080602 0.005408 0.18 7 0.8298 RIMAINOR BAkCE I 0.000396 WING 0.000396 0.014 0.9061 AtMAINUR I 0.812584 0.812584 8tMAIN0tB 3.906 0.0488 REMAINOR 4th 12.040632 0.028uG5 (Hit _5 SuuRf! p.f . sum 118 50uA8f5 Pt AN 500A h! 5 f PEDR (RROR LINE MUNIH Pil d.91472Q DAVsMu d.629065 5.862 0.0000 D A V sMu 89 10.P4%372 0.121s58 4.258 IBMI 0.0000 RfMAINOR 3 0.8%061b 0.046#72 8.638 0.1800 RIMAINOR UNil 2. 0.8202*D 0.480825 14.332 0.0000 EtMAINOR llDT s' O.Il4806 0.05740) 2.006 0.8358 RIMAINOR bakCL l . 0.8341%6 0.136856 HING 4.758 0.0297 REMAINOR 1 0.0%*4F4 0.049484 f.729 0.1892 AfMAINOR RtHAINDER 418 11.9h16%9 0.028656 '
l
IRCf.(
ShDRft 0.f . !bM 06 StuaRIS Ml4h Souakf5 i PROS tRROR tlNE MONIH ll 12.215399 I.II2309 2.572 0.0010 041 sMO DATsMp 89 38.4995P9 0.432490 5.039 0.0000 RfnAl20R TIMf 3 4.5810P8 1.503696 87.449 0.0000 REMAINOR UNIT 2 0.618880 0.239440 2.718 0.0632 RIMAINOR 180f 2 0.185892 0.357596 4.150 0.0164 AfMAINOR
, BARft 3 0.391357 0.393357 4.564 0.0333 RfMAINOR NINO 1 0.003520 0.003520 0.048 0.8399 ROMAINOR REMAlNott 4 54 36.022248
- 0.086118 Al Pit.H 50patt SOM of Sou4Rf5 MtAN SQUARIS 0.f . f PROS tRRuS tlNE MDNTH 18 15.469308 I.406308 9.443 0.0000 D AV sMD DAvsMu 89 13.257324 0 148959 5.164 0.0000 AfMAINOR TIMF 3 1.109474 0.369426 12.833 0.0000 AfMAINOR UNIT 2 0.185592 0.057196 2.005 0.1359 AfMalNOR llDf 2 0.807700 0.053854 3.864 0.1556 RIMalHOR SARCt 3 0.025220 0.025220 0.875 0.3503 REMAINOR NING 1 0.172768 0.312763 5.994 0.0848 REMAINOR REMAINDER 415 12.04R267 0.028824 PALA f ShuRCL 0.T. SbH of 10uARf1 MEAN SOUARES f PRUS ERRut LINE MONTH ll 23.206488 2.109680 6.720 0.0000 D A Y SMO DAvsMH 89 27.939351 0.383925 5.578 0.0000 RfMAINOR Ed IIMF Ei 3 1.700994 0.566998 10.074 0.0000 REMAINOR UNil 2 3.182408 0.598204 10.504 0.0000 AIM 4tNOR 3 180f 2 0.065351 0.032576 0.579 0.5610 RIMalNOR g LAkCI I 0.081185 0.011315 0.208 0.6543 AfMAINOR 93 NINO I c.155753 0.158153 2.696 0.5034 RIMAINOR REMAINDER 436 23.526424 0.056283 PURI.C 50DafL D.F. Sun of 10UARf1 MEAN $00 arf 5 f PRUS (RADR LINE M0MIH ll 132.239288 12.021153 24.649 0.0000 D AV sMH D A V sPD 89 41.407556 0.481725 5.897 0.0000 RfMAINOR
)
IBMT 3 6.4%4684 2.238548 26.988 0.0000 REMAINOR UNIT 2 3.2648P5 1.632443 19.738 0.0000 REMAINOR 180f 2 3.045087 1.522543 18.409 0.0000 NE M Al tl0 R Sak0t i 1.063324 1.063324 12.856 0.0004 REMAINOR NING I 0.000469 0.080469 0.973 0.3245 REMAINDR R E M A lH OI R 416 34.Sil5ft 0.082707 NfuP.i SuuRCI 0,.T . Sufi Of 50u4Rf5 MtAN 50UARf 5 f PROR fRROR tlNE MONIH lI 29.R23929 2.735266 8.809 0.0000 D A V 8MO DAVsPD 89 27.392847 0.307777 5.192 0.0000 RfMalNOR TIMI 3 0.322827 0.107376 3.all 0.1444 REMAIN 0R UNIT 2, 0.47P249 0.239124 4.034 0.0184 AfMAINOR IIOf 2 0.180918 0.055486 0.936 0.3930 REMAINOR R4k&L 1 , 0.004074 0.004024 0.068 0 1946 RfMetNOR NIA0 1 9.IJI982 0.138912 2.225 0.1365 REMAIN 0R PfMAlhofR 418 24.779636 0.059283 g
Litt.0
SO UR C E 0.f. SUM Of SQUARI S titan 500AR15 i PROS (RRUR Llht MDNIH ll 4.758814 0.432561 5.569 0.0000 D A Y tM D DAYtMu 89 6.11305a 0.017675 IIME 2.233 0.0000 RIMAlh0A 3 0.256tF6 0.085395 2.455 0.0626 REMAINOR UNil 2 1.526107 0.763053 23.941 0.0000 llDE RIMAINDR 2 0.02R454 0.014227 0.409 0.6645 RIMAth0R SARGE I 0.004653 0.004653 0.134 0.1147 RIMAlh0R WIND 1 0 319918 0.189978 3.450 0.0640 RfMalNDR RIMAINDER 418 14.537158 0.034778 MIlo f SOURCE 0.F. sum pf 500 ART 5 MEAN SQUARES PROS F ERADR LINE MONIH 11 119.595062 10.872558 33.911 0.0000 D A Y TMH D A Y tMU 89 28.535028 0.320618 4.292 0.0000 REMAth0R llMT 3 2.214652 0.738217 9.883 0.0000 RfMAthDR UNIT 2 2.516467 1.258233 16.845 0.0000 RtMAthDR IIDf 2 0.679995 0.339997 .4.552 SARCE
- 0. Dill AfMAINDR I 0.045632 0.043632 0.557 0.455s REMAthDR Wlh0 1 0.012488 0.082488 0.167 0.682R RIPAINDIR RIMAINDR 418 31.222119 0.014694 H 5001_I SO UR C E 0.F. SUM Uf 500 arf 5 MEAN 50UAR[5 I PRHR ERRUR LINE to l MON TH ll 1.356934 0.105876 Ed D A f tMu A9 4.033 0.0003 OAVsMD C3 2.321047 0.026079 2.715 0.0000 RfMAINOR g IIME 3 0.36f,034 0.122011 12.703 0.0000 REMAINDR UNI 1 2 0.013153 IIDF 0.006576 0.685 0.5048 RfMAINOR 2 0.062907 0.031453 3.275 0.0388 RfMAINDR e BARL1 1 0.000001 0.000001 0.000 0.1941 REMAINOR WING 1 0.003390 0.003390 0.353 0.5528 REMAlh0R R(MAINDER 418 4.014786 0.009605 1
k l
Appendix II-3. Analysis of variance for mean-biomass of important finfish 4
and invertebrates impinged at CRPS per 100 m3 of intake water.
(
4 m
- e
- /
f
e w w q w =
3 MNMEME E M85555 5 55MEBB E SMMSMM E MS5EEE
- 000000 m 000000 = 000000 = 000000 = 000000
- d 033333E d OEEEEEE d OEEEEEE d CEEEEEE e OEEEEEE E--mmma E-mmmm- Emmmm-m E--mm== E====-m 5 meeseem a weeggae g agmeWee W "644444 m meegese O PEEEEEE 3 >EEEEEE PEEEEEE 3 DEEEEEE 3 >EEEEEE 5 e====== a e====== m emmm==m a em===== m em===mm a Osammes e mangS5m a Osamass a 05m5555 E G555555 m e m = =
=OmedPe deOmdde OOdeced WOOONWO dmead-C OCmedOd memdadP COPopem OOOOmed emePm*3 e GOPONoe e Ge9NeNeO e ComNeme e C000400 m eddmCNC 3 OceQOmP O ONddNew C OOOeMON 3 0000 Pet 3 mOmOdWO g e e o e e e e g e o e e e e e a e o e o e e e a e e o e e e e a e e e e e o e 6 0000000 & 0000000 h Q000000 b 0000000 6 0000000 OddPede NeedmPe *NOmemm *=mOmme =N==WmP NPmedQO mmNdmNe demeNed eNe**me emmende m QPdMdMO e e e o e e o m mmememo e o e e e o e m MWmdPPm e e e e o e e m #NmdNde b CNdNPed e e o e o e e e e o e e e e WOOWmNG MmOO-OO *NmOOmm mNe-COO mmCmOOd N m m e meadNOme e eNM-Pedm e MNMOM4Nd
- NmdOOmde e eP3eemde m NNPedded m CPweeWMe = NedmNMMM m amemeeNP w a mmPPeded a NdPNedme edPOdeNm e
a emed*CNm a ONeNNe=N E mONmmNe#
FededdOP
- NeMmmmWO e PANd*NNm e eOOdPMme e meNMMeme 3 NNNedOOM 3 dommdmod 3 OmmedNem 3 mm==dOMd 3 dm=PNemN O
e meO===OO e e e e e e e e O =O000000 O O-NOQdQC O momeOm=N O QCOOOOOC e e a e o e e e e e o e o e e o e e e e e e e a e e e e e e e e e e e e MOOOOOOO 90000000 =O000000 NONNOOOO C00000-0 R E E E E e e e e e
= w w w w E E E E E e
f E 4 & W h a
i *t e 9 l
E *i M
e e
=
. dmNemOme PPMNNeme
=
- 3 m wommedde
- dOmd*m
=
- e m PmmcedNd *
- NdPOOMem w
- demon =dN ded*e**# W m **PdOGNO a m CdM-meNE w a mmPemdOO w a Neeememp E a cePNEONP O a =Ocedeme e a mmedMNem e OmomedCE e ddmhmmNe e eNNmmNNd e e-NedM-C 4 NseddPMN J ND*mecce 3 44=dNace 3 Od=PmNem 3 dememO*e 3 de*Pemem O eMCmNeod O WOmemOOO O memowdOS O deremame O dmemocce e e e o e o e e e e e o e e o e o e e e e e e e e o e e e e e o e e o e e e e o e e e e e emOOOOOd mm adOOOOOM meOOOOOP **deOOON OPOCCOmN
. m m m m m == N m me O = -
3 O O C " C -m E E E E E '
3 3 3 3 3
- e e e e c of 4 mPMMNeme e mPMMMmme e mPmMName e mPmMNmme m me = m me a m mm e mPMNNmme e
= m me = b me -
G W e *
- d a W e W G G O O w w w =
m =
G m M m K m K m E
w g W =
5 O . O E O 5
3 w
O g
=
O 3 ES w E = E3 = 3 3 E3 w E 3 En E 3 e mEmmmuOm e mEmmmuG= e mamamuc= m
= 23 w E
$*EMOREW mEmmmec= * *EmmmuC=
_E*E-GE34 En EmO&$4 EH EmO&E4 3H EmOKEW E>=R===E CD-Eme=E C>mE=W-E C>mEmemE C>=Eme-E Ed=3me3w E4m3mm3w Ze=3me3w Ee=3=S3w E4*3=&3w O e C e O E O m C &
O e
i i
l i
I e f
II-3-1
- i e
w w w w w e b .s mmNEEn 3 mamnum E aaaamm E aaumam E MEEEma m 000000 m OOOOOO m 000000 = 000003 = COOOOO
& CEE3333 e CE33333 m 03E3333 e OKEEEEE & CEEEEEE Semm--m E-mmmmm E-mm-== E=-==== E====W-W memegee 5 meeemse m memewee g weseece 5 meseede 3 >EEEEEE O >EEEEEE a >E 3 3 >EEEEEE s
a ew=====
Osamess m
a e======
05s5555 m emEEEEE e Osammaa wmew a a
s.E E Ew.E .E .E Osmasas a
E e======
G5555mm m w w w w OOOP=OC MOONamm COOceNd COOCANM Ocemeda CONede* 40C=O*= COOOmmo OOOOOde Oc*N3em a OOmodme e =CONOWN e QQOOdem a COO 2ome e CO*mmee 3 OOOONdN 3 Goompec e o e e e e e 3 OOOOdom 3 OOOOOpe 3 CONOcer a e e e o e e e a a e e e e e e e a e e e o e o e a e o e e o e a b 0000000 h 0000000 h 0000000 h 0000000 h COOOOOO 1 dmedeN4 eee**=d #CMem== Mmmemom MememeO a d d N es N m AmomOdd WNDemem MNdemOM emeddMO m PepOMNN m NPe==Pm
- WMedfdC m meNmmON m ammedNO e e e e e o e e o e e e e e o e e e e o e o e e o e o e e e o e e o e e=Ne=Om Nme=Occ emmeed= eeddeOO NN=wNOC No Me a e mesmedde e dem4CNMm d AOmePOem M OOOmodfd M d PfadPM w
a memmNCmm p*mmmWde w
a dedeemNM d=OPdMMM w
E
=@@McQMS M*dO@dmP w
3 PCmgeCPM OgmdeOde w
a e"MdFfNe M
mNep=*ON e mNdemODN e = deed *PW e ODO=CmOO e =cMdNCed e dMedmMOW 3 #AOmemem 3 OMedomme 3 OmpememO 3 e=Nemode 3 emeemmOd O NNde=Omm O *=mCOGNO O Omed=pmm O mNeOOOON O dmONmOOO e e o e e o e e e e o e e a e e e o e e e e e e e o e e o e e e o e e e e e e e e e e o e mOOOOOOO COOOOOOO e=dWOmOC OmefMOOO =OO00000 M E E E = m 3 e e e e e
= w w w w E E E & E 8 W e a e 0 $ $ # $
O - w e e A A dOANefde d d edOMmNem o e Ad#decem E A MeoppedN 3 e medPedPm
> m emmecOP= 3 m OmPMemNN G w deemmONN = = semeeOPd e m NNmNedNE w a memMNdde E a OfmFmMmN w a #mdm*dm@ h a pe@NMedd h a OddPmMCP e mepedCre e M-tmeerd e em-NmmOO e =Omtecem e CMdPNMom 3 demmemem 3 medOOmma 3 Od*Ned== 3 PMe4Ned@ 3 dad *d-ON O WWNemomm O Wem-CONM O OdMmMPme O p-WOCOO= c dNNemOCe e o e e e o e e e e e e e o e o e o M e e o e e e e o e e o e e e e e o e o e o e e e e e mew = = C O O M demOOOca reDeOmOc madafCOM ENCOOOO4
. =N e w a = m dem N = moc C m == N .
G O C = C == m G ,
E E E E E -*
3 3 3 3 3 e e e e e e =@MNName e MSMNName e =$mNNmme e MSMNName e m@MNNeme h me a b me a b me m h me = w me m e 4 e 4 e 4 e 4 e 4 O O O O O
+
e W = W W w K % 5 w K % M % M w w w g w E O 5 O E O _
e O
5 3 O
=
O e
=3
EwMwde
w E 3 e
=G
=EmmwdOm w E
. e
=O mswwwdem
= 3 3 e
23
=Ew=wde-w 3 3 e
==
=&-=wde-m 2 WH EmOSEe EH EmORKe EnE=ORKe EH EMOKKe kH E-OMKe OhmEme=E OP-E-e=E O>=Eme=E ObwE-e=E O>=Eme=E Ee>3*BEw Eemame3. Ee=3=e3w Eem3=a3m Ee=3=e3w O a O a O a O a O e w * .
e II-3-2 e
l e
w w = w w 44 massem 2 maamma 2 maammu a summam E mammam m 000000 m O00000 - G00000 m O 00000 - G00000 w @EREEEE w OEEEEEE m OREEEEE & CEEEEEE w 3EEEEEE n=-m=== E --m-m Emmmm== E---m m Em-m-=-
a megeese m meeeeme m = weewee a meeewee a " eeeeee 3 >EEEEEE C *E O >EEEEE O MEEEEEE G *EEEEE a e======
m Ossamme m ew.EEEEE a Osmamas wwww a w w w w w w .E a ensamma a wwwww m a wwwommE i j
a Osmassa a Ossamme <
w w w w w I OOOOdem COOdNde mOONeem *CWMedN COOOOmm COOOmom OOOOdom COOCdde Podomem DCOONdC e G000004 e OOOOede e COOOdee e WOOpeed S COOOWNm M OOOOOFe 3 OOOOMOm 3 0000dme O COOermo O a o e e e e e o m 0000000 a
m e e e e e e e a e e o e e o e a e e e e e o e a O.OOOdQN e o e e e o 0000000 m 0000000 m C000000 m 0000000 medOOdC MNe-m=> MWedoem m a m e e s te *NNNewm m=>momm modedem ONOddee Opmmedd ONOmmem w dmodmOO m dereNem h emmMWOm b FNd=Com e ON=OWpN e e e e o e e o e e o e e e e e o e o e o e e o e e e e o e e o o e e DNmp*CO OmdMOMO MN=eOOO mmdOOOm Ommmede me e m m m mm e Poemadem e memOcedm e memOmeNN e edememOe e mpmm-Nde w epreemOd w deeNde@N
- decmdmem w Nee ==m=N h eMOceded a edOdamem a dQededed a MPemFOpm a e=Nmdemm a Caeceemd e moemmmmm e NeeMOemd e mae-dmem e eOmemedQ
- emmdNemm 3 e mmedome 'J Meomammm 3 emepom#d 3 menOOOm* 3 MNeemmOd O NNmedOO4 O OdO*CmNm o PM9NmOON O dNMOOONO O NemeDeNm e o e o e e e e e e o e e o e e e e e e o e o e e e o e e e e e o e o e e o e e o e e o e NoemNOOO WOeNOmOO NONNOOOO C0000000 dONmOCOO M = N 3 2 E 2 m e e e e 4
= w e w w d E E E E E e > >
t m o a m E e O*cdNded E e m=eSmedm e
= = m 3 NmOOdeNe a e ame>ONOm e e P=mmmNem
- w a
doemN-Oe emN#emem m
E
=
a Ndddecee a = dedNe-se 3 m amemmm-e = = mNO-ded= E
- OddeodrN 4 m dedNeOPm E s Omedeeme e a OPmOPe>N m e =Oedamme e NdedmemN e PNdNee se < mempedem e dN=acemA 3 MPNmNOmd 3 etNNdemm 3 edomNNde 3 Nmmocom= 3 edeedmOe u =OemMOOm O MMOO=mha o emeeNCON O meFOOONm O **cmmame e e e o e e o e e e o e e e o e e e e e e e e a e e e e e e o e e o e e e o e o e o e e e 9+ m e m e O O e
- =mc e m domeO-CO adm m CnedOOOF WOOOOOO9 medmOOOO
= m ed O m N N
- de N d O == = O = C = O O E E E E E 3 3 3 3 s M M e e
, e e m@mMNm-e e apMNNmme e memNNmme e memNNmme e memMNeme m me m m we = m me a m me a m -e m e
- S d * * * *
- e e O O O O w m w w w w a W M w a w & w a g w a w a w g w a w w O 3 O 3 -
O - O 3 O M 23 m E O E3 w E 3 =O w 2 3 23 E e =Emm mdom e p r. w o m e O = m e m O 2= = d
- E*=wuc= *EmmmdO= m mLm>=dO=
E E=OdEe Ob"ma-e-E Me=3=e3w EM EmOEEe ChmE===E ze=Jamam E# EmOEEI Ob-Eme-E I"E-O CD-E mEe e=E EN EMOmEI Ch-Eme=E O
se=3mm3m Kemamazm Egm3mm3.
e o a O a O e O 4 II-3=3 e
e a
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