Text

TMI Aquatic Study,Monthly Rept for Oct 1980
	ML19343B269
Person / Time
Site:	Crane
Issue date:	12/09/1980
From:	Nardacci G; ICHTHYOLOGICAL ASSOCIATES, INC.
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THREE MILE ISLAND AQUATIC STUDY Monthly Report for October 1980 i

i by Ichthyological Associates, Inc.

P.O. Box 223, Etters, PA 17319 George A. Nardacci, Project Leader For Metropolitan Edison Company i

Ichthyological Associates, Inc.

Edward-C. Raney, Ph.D., President 301 Forest Drive Ithaca, New York 14850 80.12160 %

TABLE OF Ct'ONES Introduction..........................................................

1 Compliance with Environmental Technical Specifications; G.*.'ardacci...........................................................

2 Macroinvertebrates; G. Hoover, R. Evans, J.

Po1k......................

2 Ichthyoplankton; B. Lathrop, R.

Evans...............................

2 T r a p n e t ; R. Ma l ic k, Jr................................................ 3 Seine; R. Malick, Jr..................................................

4 Lmpingement of Fish; B.

Snyder........................................

5 El e c tro f f s h ing ; H. Hag er ty............................................

6 Mov enen t s o f Fis h e s ; H. Hage r ty.......................................

6 C r e e l S u rv ey s ; R. R i t o ta..............................................

7 Ambient Water Quality; G. Nardacci....................................

7 Population Estimates of Fishes ; H. Hagerty........................... 8 0

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TABLE OF TABLES Table Page 1

Sampling conducted in compliance with the Generation Proc edur es Manual in Oc tob er 19 8 0................................

9 2

Fishes taken by trapnet on 6-8 October 1980 near TMINS........... 10 3

Fishes taka.n by trapnet on 20-22 October 1980 near TMINS......... 11 4

Fishes taken by seine on 7 October 1980 near TMINS...............

12 5

Fishes taken by seine on 21 October 1980 near TMINS..............

13 6

Numbers of fishes impinged at the Unit 1 Intake during a 24-h Lapingement survey on 15-16 October 1980.........................

14 7

Summary of lengths, weigi.cs, breeding condition, and numbers of fishes impinged at the Unit 1 Intake on 15-16 October 1980.... 14 8

Numbers of fishes..... Unit 1.... 29-30 October...................

15 9

S um=a ry.....Un i t 1.... 2 9-3 0 Oc tob e r.............................

15 10 Numbers of fishes..... Unit 2.... 15-16 October...................

16 11 Summary..... Unit 2.... 15-16 October.............................

16 12 Numbers of fishes..... Unit 2....

29-30 October.......

17 13 Summary..... Unit 2.... 29-30 October.............

17 14 Numbers of fishes captured by AC electrofisher near TMINS in October 1980..................................................

18 15 Creel survey data from the GR for each survey day in October

[

1980.............................................................

20 16 Creel survey data from the West Dam for each survey day in October 1980.....................................................

21 17 Creel survey data from the East Dam for each survey day Om October 1980.....................................................

22 18 Creel survey data from the YHGS for each survey day in October 1980.....................................................

23 i

j 19 Summary of selected physicochemical parameters taken on 6 and 20 i

Oc t ob e r 19 8 0 nea r the THINS...................................... 24 i

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t IhTRODUCTION The ecology of York Haven Pond near the Three Mile. Island Nuclear Station (TMINS) has been under investigation since February 1974.

Studies initiated in April 1974 include analysis of ambient water quality, ichthyoplankton (far-field), ichthyoplankton entrainment, i

macroinvertebrates, fish population dynamics, impingement of fishes, creel survey, and thermal plume mapping.

This report discusses the progress of investigations conducted in October 1980.

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COMPLIANCE WITH EMIRONMENTAL TECHNICAL SPECIFICATIONS (ETS1 Objectives: To determine compliance with the nonradiological (aquatic) environmental monitoring programs specified in sections 3.1.1.a.(4), 3.1.2.a., 4.2, and 4.6.1 of the ETS and to insure that said programs are performed as detailed in the Generation Procedures Manual.

Progress: Compliance with all programs specified in the ETS and detailed in the Procedures Document was achieved in October (Table 1).

The Fall population estimate of fishes program begun on 29 September continued through Octobec.

A program by program summary of the progress for October follows.

MACROINVERTEBRATES Objective: To describe the diversity and distribution of the benthic macroinvertebrates occurring at the five benthos sampling stations near TMINS.

Progress: Replicate (4) benthos samples were taken on 6 and 20 October (Tab'a 1).

Enumeration and determination of dry weights of the macroinvertebrates have been completed through 20 October; identification of specimens has been completed through 22 September.

ICHTHYOPLANKTON Objectives:

(1) To determine the species composition, abundance, and distribution of ichthyoplankton in York Haven Pond; and (2) To investigate ichthyoplankton entrained at TMINS Unit 1 and 2 Intakes.

FAR-FIELD Progress: Table generation, graphics, and preliminary statistical analyses were initiated in preparation for the 1980 annual report.

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3 ENTRAIhMENT Progress: Table generation for the 1980 annual report continued.

TRAFNET Objectives:

(1) To determine the distribution and relative abundance of fishes in the Three Mile Island area vulnerable to trapnet; (2) To provide specimens for movements studies; (3) To monitor the occurrence of diseased fishes; (4) To provide specimens for radiation analysis; and (S) To determine reproductive status for fishes throughout the year.

Progress: Samples were taken on 6-8 and 20-22 October (Table 1).

A total of 617 fish of 12 species was taken on 6-8 October (Table 2).

Most fish (252) and greatest bio = ass (14.80 kg) occurred at Station 11A2 while most species (9) were found at 9B2.

The pumpkinseed and bluegill were most abundant and comprised 70.0% and 12.67 af the total catch, respectively One brown bullhead, 4 channel catfish, and 10 rock bass were sacrificed for radiation analysis.

Two previously tagged rock bass were recaptured. One pumpkinseed was parasitized by an anchor worm.

Three white crappie were found dead in the trapnets.

Two hundred thirty fish of 10 species were taken on 20-22 October (Table 3).

Most fish (91) and most species (8) were taken at Station llA2 while greatest biomass (20.19 kg) was found at 9B2.

Common fishes included the pumpkinseed (46.17. of the total catch),

black crappie (16.1%), bluegill (12.67.), and rock bass (10.97.).

Ninetr.en channel catfish and 12 rock bass were tagged. Two previously tagged rock bass were recaptured. Twc pumpkinseed were parasitized by suchor worms.

One young American shad sas found de'a'din a t'rapnet.

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4 SEINE Objectives:

(1*; To determine the species composition of fish upstream and downstream from the TMINS Discharge vulnerable to seine; (2) To determine the relative condition factor for important species; and (3) To detennine the reproductive status for fishes throughout the year.

Progress: Collections were made at the 10 stations on 7 and 21 October (Table 1).

A total of 2,485 fish of 13 species was taken on 7 October (Table 4).

Most fish (1,378) were taken at Station 9B6, greatest biomass (304.3 g) at 10BS, and most species (7) at 1A2 and 4A2. The spotfin shiner and pumpkinseed were most abundant and comprised 75.97, and 11.57. of the total catch, respectively. The following fishes exhibited slight black spot infections:

spotfin shiner (31 specimens), bluntnose minnow (13), bluegill (5),

tesse11ated darter (14), and golden shiner and spottail shiner (1 each). Other parasites and anomalies included: 3 spotfin shiner with anchor worms,1 bluntnose minnow with a protozoan infection, I tesse11ated darter with a leech, and 1 spotfin shiner with a bent spine.

Collections taken on 21 October yielded 886 fish of 12 species (Table 5). Most fish (232) were taken at Station 16AS, most species (9) at 4A2, and greatest biomass (323.9 g) at 9B3..The spotfin shiner ranked first in overall abundance and comprised 42.3% of the total catch; over 617. were young and juvenile taken at 16AS.

The spottail shiner (36.5%) and pumpkinseed (13.97.) were also cocmon.

The following fis*:.es exhibited slight black spot infections: upotfin shiner (46 specimens), bluntnose minnow (7), spottail shiner (5),

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5 tesse11ated darter (2), and fa' Ifish (1). One spottail shiner and one pumpkinseed were parasitied by anchor worms. One juvenile smallmouth bass had a growth engulfing both pelvic fins.

No pattern of parasite infection or anomaly was observed with respect to the location of TMINS for either October sample date.

IMPINGEMENT OF FISH Objectives:

(1) To determine the nudbers and species impinged on the river water intake screens; (2) To determine day-night differences in impingement frequency; and (3) To determine the extent of mortality of impinged fish.

Progress:

Impingement surveys were conducted on 15-16 and 29-30 October at the TMINS Unit 1 and 2 Intakes (Table 1).

Unit 1 impinged 8 fish of 2 species weighing 24.1 g.

Most fish were young and only one was alive (Tables 6 through 9).

Fish biomass and numbers were highest during the 15-16 October survey. Numbers of fishes impinged were similar between the survey time periods.

The estimated Onpingement for Unit i for October was 124 fish weighing 373.6 g (0.8 lb).

Unit 2 tzpinged 19 fish of 6 species weighing 167.2 g (Tables 10 through 13). Most fish were juvenile and all but five were dead.

Fish biomass and numbers were highest during the 29-30 October survey.

The estLnated impingement for October from Unit 2 was 294 fish weighing 2,591.6 g (5.7 lb).

The total estimated impingement at TMINS during October was 418 fish weighing 2,965.2 g (6.5 lb).

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6 ELECTROFISHING Objectives.

(1) To provide specimens for radiation analysis and movements studies; and (2) To determine the relative abundance of fishes vulnerable to electrofishing in various parts of York Haven Pond.

Progress: Sampling was conducted on six nights in October (Table 1).

Twenty-four collections in 12 zones yielded 863 specimens of 21 species (Table 14). The pumpkinseed (173 specimens), smallmouth bass (145), quillback (121), and walleye (91) were most abundant. A total of 97 fish was tagged for movements studies and 12 fish were sacrificed for radiation analysis.

MOVEMENTS OF FISHES Objectives: To determine if fishes in waters receiving the TMINS effluent mix with fishes from other areas.

Progress: A total of 229 fish was tagged and 26 previously tagged fish were recaptured in October. Three fish were recaptured twice in October; therefore the total number of recaptures was 29.

Recaptured fishes included the channel catfish (1 specimen), rock bass (18, includes 3 multiple recaptures), smallmouth bass (6); largemouth bass (2), and walleye (2). The channel catfish moved 0.7 km upstream. Two rock bass moved 0.2 and 0.5 km downstream, one mov d 5.5 km upstream, and the l

remaining rock bass were recaptured in the same areas in which they were tagged. One smallmouth bass made a 0.3 km complex movement. the remaining smallmouth bass were recaptured in"the same areas in which they were tagged. One largemouth bass made a 6.0 km complex movement; The walley' were recaptured in the same the other one did not move.

e areas in which they were tagged.

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7 CREEL SURVEYS Objectives:

(1) To determine the extent and success of sport fishing; and (2) To determine information on angler residence and use of catch.

Progress: Creel surveys were conducted in all areas on 8, 14, 19, and 25 October (Table 1).,The 163 anglers interviewed fished 268.70 hours8.101852e-4 days <br />0.0194 hours <br />1.157407e-4 weeks <br />2.6635e-5 months <br /> and caught 525 fish (Tables 15 through 18). The actual harvest

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was 182 fish or 34.77. of the total harvest. The mean catch per effort (c/e) was 1.95.

Most anglers (87), most hours fis ied (165.65), and largest total catch (320) and harvest (113) were recorded from the York Haven Generating Station. The highest mean c/e (1.99) occurred at the General Reservoir. No anglers were encountered at the West Dam or East Dam.

Smallmouth bass (310 specimens) were caught in greatest nu=bers.

Other co= mon species caught included the rock bass (80), walleye (62),

and black crappie (44).

Approximately 80% of the anglers interviewed lived in York or Dauphin counties. Most of the anglers reported they eat some of their catch.

AMBIENT WATER QUALITY l

Objective: To determine concentrations of selected water quality parameters in ambient river areas and the TMINS effluent.

t Progress: Water quality samples were collectad on 6 and 20 October at the five river stations (Table 1). Data were analyzed and tabulated; results are presented in Table 19.

On 6 October values for sulfate, total dissolved solids, and dissolved zine were highest at Station 1Al (located above the TMINS i

Discharge); alkalinity was highest at 1A2. Values for turbidity, l

8 dissolved copper, and total zine (11A1) and water temperature and dissolced oxygen (9B1) were highest at stations at or below the Discharge.

On 20 October values for turbidity, alkalinity, and dissolved copper were highest at Station lA2; total dissolved solids was highest at lAl. Water temperature, dissolved oxygen, and sulfate values were highest at Station 9Bl. The highest values for total copper and zine were determined at 11A1.

Para =eters, for which State water quality criteria have been established, were not exceeded at any station on 6 or 20 October.

POPULATION ESTIMATES OF FISHES Objectives:

(1) To determine if differences exist in fish populations between areas receiving the TMINS effluent; and (2) To estimate populations in other areas available for recruitment.

Progress: Sampling was conducted on 12 nights in October (Table 1).

Sampling will continue until enough marked. fish are recaptured to compute estimates. A total of 101 fish was tagged for movements studies and 18 fish were sacrificed for radiation analysis.

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T Table 1 Sampling conducted in compliance -

...a Generation Procedures Manual in October 1980.

Oct Oct Oct Oct Oct PROGRAM 1-4 5-11 12-18 19-25 26-31 Macroinvertebrates X

X Ichthyoplankton:

1 Far-Field y

Entrainment Trapnet X

X

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Seine X

X e

Impingement of Fish X

X Electrofishing X

X X

X Movements of Fishes X

X X

Creel Surveys X

X X

Ambient Water Quality X

X Population Estimates of Fishes X

X X

1 Program terminated for 1980 as of 31 August.

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1 Table 2 Fishes taken by trapoet on 6-8 October 1980 near TitINS.

Station TM-AOF-1A3 TM-AOF-llA2 TM-AG F-ll A)

TM-AOF-9B2 Total 1 Catch 1

Deta 6-7 7-8 6-7 7-8 6-7 7-8 6-7 7-8 time 1347-1451 1454-1502 1338-1417 1420-1411 1332-1347 1350-1354 1317-1317 1319-1319 H

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' Air Temp (C) 14.5, 18.5 18.5,21.5 14.5, 16.0 16.0, 21.0 14.0, 16.0 16.0, 21.5 14.5, 18.0 18.0, 22.5 3, V:tir Temp (C) 16.5, 16.5 16.5, 18.0 15.5, 14.0 16.0, 17.0 15.0, 15.5 15.5, 16.5 15.5, 16.5 16.5, 18.0 t 01sw ived Drygen (ag/l) 9.2, 10.1 10.1. 11.4 8.9, 9.6 9.6, 10.1 9.0, 9.5 9.5. 9.8 8.7. 9.8 9.8, 10.0 t pn 8.1, 7.8 7.8, 8.2 7.4, 7.5 7.5, 7.9 8.1, 7.4 7.4. 7.4 7.0, 7.8 7.8, 4.0 Seccht Disc (cm) 56, 66 64, 64 33, 71 71, 66 St. 74 74, 61 St. 81 St. 66 i!

'Biver Stage (a) 0.92, 0.92 0.92, 0.92 0.92, 0.92 0.92, 0.92 0.12, 0.92 0.92, 0.92 0.92, 0.92 0.92, 0.91 i

t'esthIr Festly Cloudy, Partly Cloudy, Portly Cloudy, Partly Cloudy, Fortly Cloudy, Partly Cloudy, Fortly Cloudy Partly Cloudy, Partiv Cloudy Clegr Partiv Cloudy Clegr Partly Cloudv Clear Partiv Cloude clear 4

No e t Specimena 42 64 181 71 63 44 68 84 617 Ma. of Species S

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- I Table 4 Flohee taken by estae on 7 October 1980 near TMINS.

Starian TN-AOF-13R1 TM-AOF-10R1 TM-AOF-16AS TH-AO F-1 A 2 TM-AQF-16Al TM-AQ F-10A 2 TM-AQ M 6 TM-AQF-9Al TM AQ M B3 TM-AG F-4A 2 Total 1 Catch time 1144 0842 1117 1100 1016 0959 0941 0926 0907 1037 4.tr Temp (C) 13.5 9.5 11.0 11.0 10.0 9.5 9.5 9.5 10.5 10.5 g

Water Temp (C) 15.5 14.5 14.5 15.0 14.5 14.5 14.5 14.5 14.5 15.0 N

Dissolved Owygen (m8/1) 10.7 11.2 10.4 9.8 8.6 9.2 9.2 9.7 9.2 9.8 t

pH 8.3 8.4 7.8 7.6 7.5 7.6 7.5 7.5 7.6 8.0

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5eccht Disc (ce) 61 61 tie 61 56 61 56 61 54 51 River $tage (m) 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 Weather Pargle Cloudv Cliar Partiv Cloudy Pattiv Cloudy cigar C1ggr CLggr cigar Cltgr Clear No. of spectmeno 191 173 25 130 50 60 1378 4

376 188 2485 No. of Species 6

5 5

7 5

5 1

2 3

7 13 No. of Hauls 5

6 4

4 4

5 1

4 4) 6 0.2 Conden shiner 6

10 65 2.6 3

25 Spottet1 shiner 27 Swallowtatt ohiner 2

1 3

0.1 8

7 1378 3

367 1

1885 75.9 Spotfin shiner 6

115 7

49 2.0 2

1 Stuntnose minnow 39 1

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109 286 11.5 Pumpkinseed 22 11 7

68 13 48 57 167 6.7 Stuettil 5

40 15 17 32 1

1 0.1 1

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L ii l1 1

d Table 6 Il Numbers of fishes impinged at the Unit 1 Intake during a 24-h impingement survey on 15-16 October 1980.

i Date 15 16 16 j

Time 2000 0400 1200 3

Volumetric Flow Rate (m /s) 0.84 0.84 0.84 Number of River Water Pumps:

l; Nuclear Service 1

1 1

l; Secondary Service 1

1 1

Decay Heat 0

0 0

i Intake Velocity (cm/s)

-l

-1

-1 River Flow (m3/s) 95.0 96.6 97.1 j

Air Temp (C) 16.0 9.0 21.5 g

p.

Water Temp (C) 14.0 13.5 15.0 Total

t ';

condition of Fish Alive Dead Alive Dead Alive Dead Alive Dead 5

g

{ ' ',

Pumpkinseed 1

3 1

1 5

1 3

Total 3

!\\

\\

j Table 7 r

Summary of lengths, weights, breeding condition, and numbers of fishes impinged at the Unit 1 Intake on 15-16 October 1980.

i j

Species Fork Length Range Reproductive Status Total Weight Total Number (5 nun aroups)

(a)

Pumpkinseed 41-45. 51-70 2 Youna. 3 Juvenile 18.5 5

i Total 18.5 5-i

)

4

I 1

Table 8

Numbers of fishes impinged at the Unit 1 Intake during a 24-h impingement survey on 29-30 October 1980.

Date 29 30 30 Time 2000 0/00 1200 3

Volumetric Flow Rate (m /s) 0.84 0.84 0.84 Number of River Water Pumps:

' Nuclear Service 1

1 1

Secondary Service 1

1 1

Decay IIcat 0

0 0

-8

-8 IntakeVelocigy(cm/s) i River Flow (m /s) 309.4 292.4 286.0 Air Temp (C) 5.5 4.0 12.0 Water Temp (C) 9.5 9.0 9.0 Total Condition of Fish Alive Dead Alive Dead Alive Dead Alive Dead 1

Channel catfish 1

1 2

1 Pumpkinseed

~~

1 1

2 G

Total 1

1 i

Table 9 Summary'of lengths, we.fght's, breeding condition, and numbers of fishes impinged at the Unit 1 Intake on 29-30 Oc,tober 1980.

Species' Fork Length Range Reproductive Status Total Weight Total Number (5 mm aroups)

(a)

Channel catfish 66-70 1 Young 3.4 1

Pumpkinseed 31-35. 41-45 2 Young 2.2 2

i Total 5.6 3

l Table 10 1

Number of fishes impinged at the Unit 2 Intake during a 24-h impingement survey on 15-16 October 1980.

I Date 15 16 16 Time 2000 0400 1200 f

Volumetric Flow Rate (m /s) 1.58 1.58 1.58 3

l Number of River Water Pumps:

Nuclear Service 1

1 1

Secondary Service 1

1 1

Intake Velocity (cm/s)

-4

-4 River Flow (m3/s) 95.0 95.6 97.1 Air Temp (C) 15.0 16.0 22.0 t

Water Temp (C) 13.5 13.5 15.0 Total Condition of Fish Alive Dead A1,fy Dead Alive Dead Alive Dead l1 Channel catfish 1

1 Black crappie i

1 1

g i

Total 1

1 1

1

)

\\

4 Table 11 3

I Summary of lengths, weights, breeding condition, and numbers of fishes impinged at the Unit 2 Intake on 15-16 October 1980.

i Species Fork Length Range Reproductive Status Total Weight Total Number (5 mm groups)

(a)

Channel catfish 131-135 1 Adult 23.7 1

Black crappie 91-95 1 Juvenile 1?_ 6 1

i Total 37.3 2

' Table 12 4

Numbers of fishes impinged at the Unit 2 Intake during a 74-h impingement survey on 29-30 October 1980.

Date 29 30 30 d

Time 2000 0400 1200

.i Volumetric Flow Rate (m /s) 1.58 l'.58 1.58 Number of River Water Pumps:

Nuclear Service 1

1 1

Secondary Service 1

1 1

Intake Velocity (cm/s)

-6

-6 River Flow (m3/s) 309.4 292.4 286.0 Air Temp (C) 5.5 3.5 11.5 1

Water Temp (C) 9.0 8.0 9.5 Total Condition of Fish Alive Dead Alive Dead Alive Dead Alive Dead 1

1 Channel catfish 1

1 Rock base 4

1 1

2 9

Pumpkinseed 1

4 1

1 1

1 Bluegill 2

1 1

4.

White crappie i

Total 1

7 2

4 1

2 4

13 EI i

i

,1 Table 13 5

Summary of lengths, weights, breeding condition, and numbers of fishes impinged at the Unit 2 Intake on 29-30 October 1980.

Species Fork Length Range Reproductive Status Total Weight Total Number (5 mm aroups)

(a)

Channel catfish 96-100 1 Juvenile 12.4 1

i Rock bass 141-145 1 Juvenile 62.5 1

Pumpkinseed 41-65 9 Young, 2 Juvenile 25.8 11 I

Bluegill 46-50, 76-80 2 Juvenile 10.3 2

White crappie 76-80. 111-115 1 You.12. 1 Juvenile 18.9 2

Total 129.9 17 1

1 i

'I i!

n do

/

8

./

G Tchle 14 Numb:re of flohee septured by AC electrefisher meer TMDIS to October 1980.

Zone 1532 1664 4A1 16A2 15A2 1051 15A1

!!81

,' Oc t 083 1341 935 loaj pets 1 Oct 1 Oct 1 Oc t 1 Oct 1 Oct 1 Oct 6 Oc t 6 Oct 6 Oct 6 Oc t 7 Oct Time 1926 2021 2102 2346 2230 2303 1926 2010 2041 til7 2207 2123 Durttion (ata) 19 15 14 19 15 13 16 16 21 17 13 12 Air Temp (C) 18.5 19.0 69.0 14.5 10.0 17.5 12.0 9.5 9.5 9.0 7.0 10.0 W:ttr Temp (C) 21.0 20.5 21.0 20.0 19.5 19.5 15.5 15.0 14.5 15.0 15.0 15.0 E15eelved Onygen (ag/1) 14.0 10.7 10.0 11.0 10.4 10.6 10.4 11.6 10.6 9.6 9.2 9.4 p2 9.2 9.1 9.1 8.9 9.3 9.2 4.7 s.9 s.s 4.4 0.2 4.2 Cenductivity (micromhoe/se) 325 350 540 540 475 450 460 350 450 550 560 550 w

Samah! Dies (en) 33 96 48 46 69 61 91 39*

89 36 56 41 m

vatte 200 200 107 190 100 175 195 200 105 170 160 185 i

Ascs 6.0 6.0 0.0 A.0 7.0 A.0 7.5 5.1 s.O 7.3 IJ.0 g,3 Cisaard ehed 19 4

(

CJrp 6

2 10 3

3 3

3 g

1 1

Coldes shiner

=

1 i

pilliteh 3

14 1

3 12 7

9 4

Qu111 beck 1

6 1

2 White sucker Northere has sucker 1

Shortheed redhorse 1

1 1

2 YIllow buttheed Channel catfish 1

Rock bees 4

2 4

1 1

10 1

2 1

1 3

m:sobreast sumfash 1

1 2

7 5

10 2

14 1

Cr u a subfish pumpktaseed 1

3 19 19 3

1 3

9 6

15 2

12 2

2 2

1 1

31u 3 11 1

=

Smallmouth bees 6

11 12 12 4

4 7

1 5

7 1

2 3

1.ar6emouth bees 2

8 9

1 2

White crappte

=

1 3

=

1 4

Black croppie 1

Tillow perch 1

1 Wetteve 1

4 10 2

1 1

4 1

3 No. of specimene 39 32 69 44 23 25 37 26 47 57 16 29 No. of eoec tes 10 8

12 7

0 3

9 7

12 12 7

3

Clear to bottom.

6 i

O

/o do

/

//

V Tchle 14 continued 2eme 1552 168S 15A2 13Al 985 4A1 16A2 10A3 15A1 4181 1003 1081

TetAt Date 16 Oct 16 Oct 16 Oct 16 Oct 16 Oc t 20 Oct 20 Oct 20 Oct 22 Oc t 22 Oc t 22 Oct II Oct Time 1911 2002 2052 2118 2201 1925 2015 1100 1903 1938 2010 2045 Durittom (sta) 10 17 14 11 14 19 21 16 15 17 le 16 Air Temp (C) 15.0 15.0 16.0 16.0 14.0 11.5 9.5 9.5 9.5 10.5 8.5 7.5 W t:.r Temp (C) 15.0 15.0 14.0 16.0 14.0 14.5 14.5 13.5 13.5 13.5 13.5 13.5 Disettved oxygen (es/1) 11.3 11.8 11.1 10.0 10.4 10.6 11.9 10.2 10.0 11.2 10.2 10.2 p3 0.2 8.3 8.1 0.2 8.0 0.7 8.9 8.6 6.6 4.8 4.7 8.6 Coede ttvlty (micranhos/ca) 340 350 450 360 550 540 530 550 475 350 450 4 75 Seccht Dice (ce) 33 119e 91 61 58 63 51 58 41 81 91 46 viits 200 200 195 190 175 160 185 175 185 200 100 100 Asse S.S S.S 7.5 9.0 8.5 7.5 7.5 8.0 7.0 S.S 7.0 7.0 Cis:Ird ehed 7

4 4

2 1

41 i

C1rp 1

6 1

1 2

42

(

C51 den ehteer

=

1 1

4 1

2 F211ftek

=

t Quillback 25 1

10 7

1 4

1 1

3 6

121 1

Whits sucher 1

2 1

2 10

=

Northers hog sucher

=

1 2

Shortheed redborse 2

1 4

1 3

2 1

1 20 Ystlow belthend 1

1

=

1 1

Channel catfish 1

5 11 6

5 3

1 1

1 Rock base 58 medbreast ovatteh 1

4 3

10 1

2 3

70 4

Creen sumitsh 1

=

Pumpktaseed 1

1 8

11 22 9

4 15 0

1 173 Blvstl1 2

1 1

2 1

15 Emallmouth bees 3

24 5

10 2

14 3

e 1

1 2

145 Largemouth bees 4

3 4

7 41

=

1 Whits crapple 4

=

tieck croppie 1

1 1

1 13 Tillow perch 2

=

4 Welieve S

9 6

4 4

18 4

5 1

4 91 No. et specimene 51 54 34 50 10 48 52 21 25 28 28 le 863 No. of seectes 10 to 6

10 4

12 R

e 10 e

11 1

21 w Clear to bottom.

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Table 18 Creet Survey data from the THC3 for each survey day te October 1980.

Day 8 Wed 14 Tue 19 Sua 25 Set Weather Clear Clear.

Cleer.

Heavy Seta Windy, Portly Cloudy Portly Cloudy Overcset Windy Elver Stage (m) 0.92 0.91 M7 0.93 Air Temperature (C) 17.0 21.5 21.0 14.5 14.5

!%.0 21.0 21.3 18.0 12.5 14.5 11.5 Water Temperature tcl.

16.0 18.1 17.5 12.3 14.1 12.1 18.0 19.5 19.5 13.0 13.0 12.5 Timmes a) morning (0900-1300) e a

a e

b) af ternoon (1301-1700) b b

b b

U c) even t rur (1701-2100)

__e e

e e

TUTAL

. Total For Time Feriod:

Anglere 6

7 12 9

2 5

18 5

9 2

5 7

87 Fish Caught 27 19 7

49 10 7

135 39 24 3

520 Floh Kapt 14 9

5 16 7

2 32 20 9

1 It)

Mouse Fished 21.25 14.50 12.15 18.75 6.25 7.50 40.25 12.25 11.25 8.00 7.25 6.25 163.45 ca tc h/E f fort th) 1.27 1.31 0.30 2.61 1.60 0.93 1.35 1.18 2.13 0.48 1.9)

Day Totales Anglers 25 16 32 14 Fish Caught 53 66 198 3

Fish Kept 26 25 61 1

Mours F1.hed, 47.90 32.50 63.75 21.50 catch /tffort (h) 1.11 2.03 1.11 0.14 Species a

b e

a b

e a

b e

a b

e Total Ctesord ehad 2R

=

at 2

Cary IK IR IK 1R 2

Channet cetfish 1K

=

1K 1

Rock base 3K IK IK 1R 9K 33R 4K 10m 44 13.

18K 49a 47 Sunfishes (t.epost e opp.)I 2K 4A

=

2K 4R 6

Smeltmouth base 9K SR 3K 3R 2K 2R 14K 19a 6K 2R SK 49a 2K Sa 2K 2n IK tt 47K 94n 141

=

White crappte

=

IK

=

1K

=

1 Black crapple 14K 13K 71 7a

=

34K fa 41 Milleve 3K sa tr 7m 2m tsa IK tm 2K ta tK 16a tK ta 91 som s9 1 Ceneret identificettom.

R Released.

K Kept.

O 24 V

_=

E 1

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