ML20067D610

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Study of Woodborer Populations Re Oyster Creek Generating Station,820821-1120, Thirtieth Quarterly Rept
ML20067D610
Person / Time
Site: Oyster Creek
Issue date: 11/30/1982
From: Belmore C, Hillman R
BATTELLE NEW ENGLAND MARINE RESEARCH LABORATORY
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ML20067D603 List:
References
NUDOCS 8212210044
Download: ML20067D610 (25)
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I I PROGRESS REPORT l

FOR THE THIRTIETH QUARTER on STUDY OF WOODBORER POPULATIONS IN RELATION TO THE OYSTER CREEK GENERATING STATION to GPU NUCLEAR CORPORATION November 30,1982 by R.E. Hillman and C.I. Belmore REPORT NO.15164 ,

August 21 to November 20,1932 l

BATTELLE New England Marine Research Laboratory Duxbury, Massachusetts 02332 I

1 I .

TABLE OF CONTENTS -

'Page EXECUTIVE SUM.\iARY . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . 2  ;

PROCEDURES AND INTERIM DATA . . . . . . . . . . . . . . . . 3 -

Exposure Panels . . . . . . . . . . . . . . . . . . . . . 3 b

_F g Water Quality . . . . . . . . . . . . . . . . . . . . . . 3 3 i Teredinid Gonadal Development Studies . . . . . . . . . . . . . 3 __

.i #

4 LIST OF TABLES ff 1_ Table 1. Geographical Locations of Exposure Panel Arrays in 5 Barnegat Bay, New Jersey . . . . . . . . . . . . . . . . 5 _

Table 2. Incidence of Teredinicae in Panels Removed September 7-8, 1982 . . 8 Table 3. Incidence of Teredinidae in Panels Removed October 5-6,1982 . . . 9 Table 4. Incidence of Teredinidae in Panels Removed November 1-2,1932 . - 10 I_

Table 5. Incidence of Limnoria in Panels Removed September, October, and i 1 November,1932 . . . . . . . . . . . . . . . . . . , 11 Table 6. Water Quality at Exposure Panel Stations, Septeuber 7-8,1982 . . 12 '

1 Table 7. Water Quality at Exposure Panel Stations, October 5-6, 1932 . . . . 13 -

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Table 3. Water Quality at Exposure Panel Stations, November 1-2,1982 . . . 14 Table 9. Condition of Gonads of Teredinid Borers Removed from Exposure Panels in Barnegat Bay from August through October . . . 15  ?

J LIST OF FIGURES Figure 1. Outline of Barnegat Bay Showing Geographical Locations of Exposure Panels . . . . . . . . . . . . . . . . . . . . 4 --

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Executive Summary i I 2 This progress report presents data from field and laboratary work during the _

period August 21 to November 20,1932.

All field work durin; this quarter was carried out by GPU personnel.

Temperature, salinity, dissolved oxygen and pH were measured and recorded at each of the 20 stations during the three periods of exposure panel exchange.

~

Laboratory analysis of the exposure panels showed a noticeable decrease in - ;

5 shipworm attack in the exposure panels from Station 7 (Frylings). This decrease is

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attributed to the absence of, Teredo bartschi. which was not recorded from any of the exposure panels examined during the past quarter. Teredo navalis was the only species of -

Teredinidae recorded from Station 7 during this period.

The location of Station 16 was moved to Bayside Boats in Seaside Heights in '

June,1932. A very light attack by Bankia gouldi is present at the new location.

Long-term exposure panel #5 at Station I was missing from the rack at the time of the panel exchange in November,1932. Panels #6 and #1 also show very heavy attack by shipworms at this site.

I Limnoria were present at Stations I through 4A as in previous years. One Limnoria tunnel was also found in the long-term exposure panel examined in October, 1932 from Station 17.

Examination of gonads from specimens collected in August, September and October showed that spawning was still taking place in August, but by September and October most gonads were in the spent phase.

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PROGRESS REPORT FOR THE THIRTIETH QUARTER ,

on STUDY OF WOODBORER POPULATIONS I IN RELATION TO THE OYSTER CREEK GENERATING STATION to GPU NUCLEAR CORPORATION November 30,1932 by Robert E. Hillman and C.I. Belmore REPORT NO.15164 August 21 to November 20,1982 from BATTELLE New England Marine Research Laboratory Duxbury, Massachusetts 02332 I INTRODUCTION Battelle's New England Marine Research Laboratory is conducting an investigation to determine whether the generating station is af fecting the resident marine borer population in Oyster Creek to the extent that that population is contributing I significantly to marine borer-caused damage in Barnegat Bay.

A description of the program and procedures used may be found in the Sixth Annual Report Titled, " Study of Woodborer Populations in Relation to the Oyster Creek Generating Station," dated March 15,1982.

This report presents data for the thirtieth quarterly period from August 21, 1932 to November 20,1982.

I 3 PROCEDURES AND INTERIM DATA ,

I Exposure Panels '

The long-term and short-term exposure panels were retrieved and replaced with new untreated pre-soaked (for two weeks) panels at the 20 exposure sites in Barnegat Bay and adjacent waters (Figure 1) during the periods September 7-8, October 5-6, and November 1-2, 1982. Long-term and short-term panels at all stations were retrieved and I replaced by personnel from GPU's Oyster Creek Nuclear Generating Station.

The long-term exposure panel, labelled #5, was missing from this exposure rack suspended at Station #1, the Barnegat Light Coast Guard Station at the time of the November,19S2 exchange of panels. GPU person:ict also reported the #6 and #1 panels were also in a deteriorated condition due to the very heavy marine borer attack.

Table I describes the geographical locations of the exposure sites. The data for the laboratory examination of the panels are presented in Tables 2 through 5.

Water Ouality Salinity, water temperature, assolved oxygen, and pli were taken at each site l

by the GPU field team. The results for Septernber, October and Novernber,1932 are presented in Tables 6 through S.

Teredinid' Gonadal Development Studies Table 9 shows the gonad condition of the teredinid borers collected in August, September, and October. Included are results from pancis exposed for periods ranging from 6 to 12 months.

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FM OUTLIfiE OF BARt1EGAT BAY Sil0WIfiG GE0GRAPillC LOCATIONS OF EXPOSURE PAtlELS

W M M M M M M M M M M' W W W M TABLE l. GEOGRAPHICAL LOCATIONS OF BATTELLE fiEll Et:CLA!ID l1ARII;E RESEARCil LABORATURY'S 13POSURE pal'EL ARRAYS Ili 13ARNEGAT BAY,11 Ell JERSEY Approximate Latitude Structure to be used for Nearest Previous Site No. Site Suspension of Rack Data Stations and Lor.gitude

1. Barnegat Coast Guard Finger Pier UC 1 Lat. 39' 45.8'N Station, Barnegat Inlet IJECL 1948-1967 Long. 74' 06.5'11
2. Ashton ::arina Bulkhead  !!C 13,14 Lat. 39' 40't!

'450 Eay Ave. Long. 74' 13'N

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3. Iggie's I:arina dulkhead tC 16,17,18,19 Lat. 39' 45'N East Say Ave. Long. 74* 12.5'u Earnegat (Conklin Island)
4. Liberty !! arbor "arina Eulkhead UC 21 Lat. 39' 47'N L'a s h in g ton Ave . R. Turner Long. 74' 11'U t?aretcun Rutgers U.

4-A*.  !!oliday l' arbor "arina Bulkhead UC 21 Lat. 39' 48'N Lightheuse Drive R. Turner Long. 74* 11'N Uaretoun Rutgers U.

5. I:cuth of Cyster Creek, Dock UC 29,30 Lat. 39' 48.5'N l Lot 4, Corpass Read Rutgers U. Long. 74* 10.3'U Offshore End
6. Oyster Creek 01 Dock Lat. 39' 48.5'N Lageen, Inchore End Long. 74' 10.35'N 37 Capstan Driva
7. Private Dock End of Dock PC 27,23 Lat. 39' 48.5'N Occk t.ve. R. Turner Long. 7 4
  • 11. I 'll Oyster Creek Rutgers U.

Sands Ft. ila rbo r Uiretcun .

g g g g M M M M M M M E E E E TAFf.E 1. (continued)

Structure to be used for  !!carest Previous Approxiciate Latitude Site 1:o. Site Suspension of Rach Data Stations and Longitude S. Oyster Creek-2.R. Cross :: ember Bridge llc 26 Lat. 39' 48.7':!

Bridge Rutgers U. Long. 7 4

  • 12 '11 Discharge Canal
9. Forked River Cross !!cnber South Dr. tach t.'C 31 Lat 39' 49.2't!

R.R. Bridge nutgers U. Long. 74* 12.2'11 Intake Canal

10. Teds ::arina Pier 1C 33,34 Lat. 39' 50.l't:

. Bay Ave.

Long. 74

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) 10A*. Private Dock Under Dock

1217 Aquarius Ct. Lat. 39' 49'ti Long. 74* 10'I1 . as l Forked River i

j 10B*. Trivate Dock Under Dock 1307 Beach Blvd.

Lat. 39' 49.4'!:

Long. 74* 10.l'11 Forked Rivar

'll. Forked River Balkhead I!C 35 (near neuth)

Lat. 39' 49.7'!!

Rutgers U. Long . 74

  • 10 '11 1413 River Vic.: Drive
12. Stouts Creek Bulkhead I?C 38,40,41 1273 Capstan Drive Lat 39' 50.5'ti R. Turner Long. 74* 03.8'il l?arta Rutgers U.
13. 2:0knak's Yacht Basin End of Pier

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1lC 46 Lat. 39' 52'!! t Long. 74* 09'I1 Lancia Harbar Cedar Crech .

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M M M M M M M M M M M M M TABLE 1. (continued)

Structure to be used for flearest Previous Approximate Latitude Site No. Site Suspension of Rack Data Stations and Longitude

14. Dicks Landing Pier WC 49 Lat. 39" 54'W Island Drive R. Turner Long. 74* 08.l'W Bayville (Holly Park) fielson l

i 15. Winter Yacht Basin Inc. Pier WC 57 Lat. 40' 02.5'fl l Rt. 528 Long. 74* 03.5'W l flantoloking Bridge

16. Berkely Yacht Basin Pier WC 60, 61 Lat. 39' 55.9'il

. J. Street Long. 74* 04.9'W ,

j Seaside l 16A* Municipal Dock Pier WC 60, 61 Lat. 39' 56.6'f1 l Seaside Heights Long. 74* 04.9'W w

16B* Bayside Boats Pier WC 60, 61 Lat. 39' 56.6'N

, State Highway #35 and Long. 74* 04.9'W Bay Boulevard Seaside Heights,f1J i 17. Island Beach Pier WC 68 Lat. 39* 47.l'It State Park Long. 74* 05.9'W j (Sedge Island)

I 6

l All exposure panel racks suspended in a minimum water depth at mean low water of at least three feet. Racks hung with l nylon line from existing structures so the bottom panels are close to, but not touching the bottom. Racks at Forked

{ River railroad bridge and Oyster Creek railroad bridge suspended with wire rope.

WC = Woodward-Clyde l WFCL = William F. Clapp Laboratories

  • Site 4-A installed April, 1977.

Sites 10A,103 installed April,1978.

Site 16 discontinuad fiovember,1981.

Site 16A installed December,1981 - discontinued June,1982.

Site 163 installed June, 1982.

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8 TABLE 2, INCIDENCE OF TEREDINIDAE IN PANELS REMOVED JUNE 1-2,1982 lI Station Panel No.of Percent Size Range Species identification , Remarks Specimens Filled in mm.

,I 1 P 500 95 <l-S0 400 T. navalis, Several 100 Teredinidae

  • with ripering gonads-few with larvae C 700 15 <l-12 60 T. navalis, 640 Teredinidae*
g 5 P 1 2 130 1 B. gouldi

,g C 1 <1 7 i Teredinidae

  • 7 P 4 2 10-140 4 T. navalis C 0 10A P 2 <1 1-50 2 Teredinidae
  • i 11 P 56 60 30-150 1 B. gouldi, 1 T. navalis dead Si T. navalis C 0 13 P 3 5 70-180 -B. gouldi C 0 14 P 4 5 48-110 3 B. gouldi, I T. navalis I C 0 1 T. navalis, 15 P 4 3 5-115 I C 0 3 B. gouldi 1 B. gouldi

'E 16B P C

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<1 2 123 9 1 E. gouldi

,E 1 17 P 4 < l-44 3 T. navalis,

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1 Teredinidae

  • i C 18 <1 1-7 1 T. navalis,13

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Te edo spp., 4 Teredinidae

  • Stations 2-4 A,6,3-10,10B,12 - No Teredinidae present 1 .

P= f.ong-term panel submerged March 2-3,1982 (Station 16B submerged June 2,1981).

> C =Short-term panel submerged August 3-4, 1982.

  • = Not speciated due to size or condition.

9 TABLE 3. INCIDENCE OF TEREDINIDAE IN PANELS REMOVED OCTOBER 5-6, 1982 Station Panel No. of Percent Size Range Species identification , Remarks Specimens Filled in mm.

1 P 1,0001 99 3-6r, 150 T. navalis, 10% of specimens I C 0 S50 Teredinidae* dead 3 P 1 3 150 1 B. gouldi C 0 7 P 2 2 65-30 2 T. navalis I dead,1 live C 0 8 P 1 2 130 1 T. navalis C 0 10B P 3 3 130-170 1 B. gouldi, 1 T. navalis C 0 11 P 48 S0 60-170 48 T. navalis C 0 13 P 1 3 175 i B. gouldi C 0 14 P 3 7 40-205 3 B. gouldi C 0 15 P 3 2 4-130 1 B. gouldi, 1 T. navalis, '

I C 0 I Teredinidae*

16B P 1 4 205 i B. gouldi C 0  !

[7 P 6 3 ~1-105 5 T. navalis,1 I C 0 Teredinidae

  • I Stations 2, 4-6, 9-10/, 12 - No Teredinidae present I ,

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  • =

Long-term panel submerged April 7-8,1982 (Station 16B submerged June 2,1982).

Short-term panel submerged September 7-8, 1982.

Not speciated due to size or condition.

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TABLE 4. INCIDENCE OF TEREDINIDAE IN PANELS REMOVED NOVEMBER l-2,1982 l Station Panel No. of Percent Size Range Species identification . Remarks Specimens Filled in mm.

1 P(Panel missing from rack due to heavy attack)

C 160 <1 <1 160 Teredinidae*

5 P 1 2 ISO I T. navalis C 1 <1 <1 1 Teredinidae*

7 P 2 1 1-100 2 Teredinidae* empty tube only of 100 mm specimen 3 P 1 2 150 1 T. navalis

, C o 9 P 1 1 70 1 T_. navalis C 0 10A P 4 9 60-175 4 T. navalis C 0 11 P S2 90 40-130 82 T. navalis C 4 <1 <1 4 Teredinidae*

13 P 5 20 180-260 5 B. gou'di C 0 14 P  ? 7 155-190 ~B. gouldi C 0 15 P 5 7 24-145 i B. gouldi 4 T. navalis L 0 16B P 2 9 220-240 2 B. gouldi C 0 17 P 5 5 40-130 5 T. navalis 4 liu , I dead C

Stations 2 4 A, 6,10,100,12 - No Teredinidae present P= Long-term panel submerged May 4-5,1982 (Station 16B submerged June 2,1982).

C= Short-term panel submerged October 5-6, 1982.

  • = Not speciated due to size or condition.

1 I

11 I TABLE 5. INCIDENCE OF LIMNORIA IN PANELS REMOVED SEPTEMBER, OCTOBER, AND NOVEMBER,1982 .

Scotember October November No. of No.of No. of No. of No.of No. of Station Panel Tunnels Specimens Tunnels Specimens Tunnels Specimens 1 P 48 13** 200 150** -

C S 11 4 3 3 3

,2 P 70 75** 950 1000** 650 400**

C 0 5 3 2 2 3 P 70 75* 7 2*** 3 2 C 0 0 0 4 P 1600 1650** 2000 1700*** 2700 2400***

C 16 10+ 0 0 4A P 5000 6000*+ 6300 4000** 7000 6000 C 260 300* 110 100 7 2 17 P 0 1 0 0 C 0 0 0 Sites 5 through 16B, no Limnoria present P= Long-term panel, submerged 6 months.

C= Short-term panel, submerged I month.

  • = Gravid females present.
    • = Gravid females and juveniles present.

I ***=

-=

Juveniles present.

Panel missing from rack.

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TABLE 6. WATER QUALITY AT EXPOSURE PANEL STATIONS SEPTEMBER 1982 Station Date Time Depth in Salinity Temperature 0 Feet o/co (oC) (m 1) pH 1 9/7/S2 0945 3.0 26.0 20.0 6.8 S.0 2 9/7/82 1020 0.2 26.8 21.5 6.8 8.0 3 9/7/32 1955 0.5 24.4 22.1 6.6 S.1 4 9/7/32 1110 1.0 24.4 21.9 6.0 7.3 4A 9/7/S2 1127 1.0 24.9 22.5 7.1 S.1 l 5 9/7/S2 1145 0.5 22.4 24.7 6.5 S.1 6 9/7/32 1200 0.S '22.4 24.2 6.9 8.1 I 7 8

9/7/32 9/7/S2 1210 1330 1.0 2.5 22.4 23.3 24.7 24.8 6.2 6.4 7.9 S.0 9 9/7/32 1315 2.5 23.3 21.6 6.8 S.1 10 9/7/32 1445 2.5 19.9 22.5 7.8 S.1 '

10A 9/7/S2 1350 0.3 23.7 23.0 7.1 8.1 10B 9/7/82 1405 2.0 23.9 22.3 7.6 S.2 11 9/7/32 1415 0.3 24.0 21.6 6.9 S.1 12 9/7/S2 1525 1.5 21.7 21.3 7.2 S.1 13 9/7/32 1548 1.5 18.0 22.1 7.6 S.2 14 9/3/S2 1110 2.0 17.3 20.0 6.9 7.6 15 9/S/82 0900 2.0 16.7 19.0 7.1 7.7 16 9/3/S2 0920 2.0 15.3 19.9 6.6 7.7 17 9/3/32 1000 0.2 25.0 19.5 6.0 7.5

t 13 TABLE 7. WATER QUALITY AT EXPOSURE PANEL STATIONS OCTOBER,1982 I

Station Date Time Depth in Salinity Temperature 0 Feet o/co (oC) (m 1) pH I 1 10/5/S2 0900 3.0 24.7 19.0 6.3 8.0

)

2 10/5/S2 0930 1.0 24.8 19.2 6.4 7.8 3 10/5/32 1000 1.2 23.9 19.3 6.8 8.0 4 10/5/S2 1015 1.5 24.4 l' .3 7.3 S.0 4A 10/5/32 1035 1.7 24.4 20.2 7.1 S.0 5 10/3/s2 1055 0.7 24.0 22.3 7.0 8.0 6 10/5/32 1105 1.0 23.1 22.5 7.1 8.0 7 10/5/32 1125 0.7 22.0 24.8 6.i 7.9 I 8 9

10/5/32 10/5/32 1140 1200 4.5 4.0 22.7 23.1 23.9 20.3 6.5 7.1 7.9 3.1 10 10/5/32 1355 2.0 21.5 21.0 6.5 7.8 10A 10/5/32 1305 1.0 23.0 21.9 7.6 S.1 10B 10/5/82 1320 2.0 23.1 21.9 7.6 8.1 11 10/5/32 1330 1.0 22.7 21.0 7.5 8.0 12 10/5/32 1435 1.0 21.9 21.5 7.5 8.0 13 10/5/32 1500 1.5 20.0 21.9 7.3 8.1 14 10/5/32 1525 2.5 17.8 20.9 7.8 8.2 15 10/6/82 0830 2.0 17.8 19.1 7.4 8.2 16 10/6/32 0855 2.5 15.9 19.3 7.0 8.2 17 10/6/82 0935 0.7 22.4 20.3 6.0 7.9

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TABLE 3. WATER QUALITY AT EXPOSURE PANEL STATIONS NOVEMBER,1982 f

i f Station Date Time Depth in Salinity Temperature 02 Feet o/oo (oC) (mg/l) pH

{ l 1 11/1/82 1003 3.0 25.0 16.6 7.9 8.1 i1 . -t 2 11/1/82 1104 3.0 23.5 15.4 S.5 8.2 [* . " -

3 11/1/32 1200 1.5 23.0 16.7 9.3 8.2 ..

4 11/1/82 1235 1.0 23.0 16.9 9.6 S.3 ..'

4A 11/1/S2 1300 1.0 23.2 17.6 9.4 3.3 k1 .

5 11/1/32 1415 0.5 21.9 19.6 9.0 8.1 i

" 34 .

[ 6 11/1/32 1435 0.5 22.0 20.0 9.5 S.2 7 11/1/32 1450 0.3 21.7 19.9 9.0 8.1 . .% ..

11/1/32 1522 3.0 20.9 20.0 9.1 8.1

( 8 .

9 11/1/32 1603 3.0 21.9 17.7 9.4 8.2  ; -. [.L 10 11/2/82 1454 2.0 19.7 17.5 8.9 8.2 I 10A 11/2/82 1533 1.0 21.9 13.1 9.2 S.3 .

10B 11/2/32 1602 1.5 22.1 18.3 9.0 8.3 [1, . '

11 11/2/82 1620 0.7 22.6 18.0 S.7 8.3 I h' "

12 11/2/82 142! 1.3 21.5 17.6 9.0 8.2 .; .j g-

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13 11/2/82 1349 1.5 20.5 16.3 S.S 3.3 ,

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14 II/2/S2 '314 2.5 19.7 16.3 8.7 8.3 - - Y 11/2/32 1003 2.5 20.5 16.1 9.9 8.3

( 15 P-16 11/2/32 1047 3.0 17.3 16.0 9.0 8.4 17 11/2/32 1135 0.3 24 1 17.8 9.2 S.4

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TABLE 9. CONDITION OF GONADS OF TEREDINID BORERS REMOVED FROM EXPOSURE PANELS IN 1)ARNEGAT BAY FROM AUGUST TilROUGil OCTOBER,1982 EA= Early active; LA= Late active; 1t= ltipe; PS= Par tially spawned; S= Spent; M= Male; F= Female; 11= liermaphrodite Specimen No. Station Month No. Months Species Sex Gonad Cornrnents Removed Exposed Condition 1116 14 Aug S2 6 Teredo navalis No discernable gonad 1117 8 Aug 82 6 Teredo navalis F R 11IS 15 Aug S2 1 Bankia gouldi No discernable gonad lil9a 11 Aug S2 6 Teredo navalis F R H b Teredo navalis F R c Teredo navalis H R 1120 7 Aug 82 6 Teredo navalis M S ll2ta 11 Aug 82 12 Teredo navalis F PS Special panel b Teredo navalis F PS c Teredo navalis M PS ll22a 17 Aug S2 12 Teredo navalis F PS Special panel b Teredo navalis F PS c Teredo navalis F PS d Teredo navalis F S ll23a 14 Sep S2 6 Bankia gouldi M S b Bankia gouldi No discernable gonad c Bankia gouldi M S ,

1124 10A Sep S2 6 Teredinidae No discernable gonad

W W

W W_ _ _ - _ _ _ _ _ - _ _ _ .

TABLE 9. (continued)

Speciinen No. Station Month No. Months Species Sex Gonad Comments Rernoved Exposed Condition 1125 14 Sep 82 6 Teredo navalis M S 1126 11 Sep S2 6 Bankia gouldi M S l

ll27a 7 Sep 82 5 Teredo navalis F S b M S c M S d M EA l

112Sa 11 Sep S2 6 Teredo navalis F S b Teredo navalis F S s c Teredo navalis F S d Teredo nc valis M PS e Teredo navalis F S f Teredo navalis M PS g Teredo navalis F S h Teredo navalis M EA i Teredo navalis F S j Teredo navalis M S k Teredo navalis M S j 1 Teredo navalis F S j rn Terede navahs F S l l

1129 5 Sep 82 1 Teredinidae No discernable gonad

~

1130a 15 Sep 82 6 Bankia gouldi No discernable gonad b Bankia gouldi M S 1131 15 Sep S2 6 Teredo navalis F S s

se

M M M M M M M M M TABLE 9. (continued)

Specimen No. Station Month No. Months Species Sex Gonad Comments Removed Exposed Condition 1132 5 Sep 82 6 Bankia gouldi No disc:>rnable gonad 1133 16A Sep 82 1 Bankia gouldi No discernable gonad 1134 16A Sep S2 3 Bankia gouldi M S i 1135a 13 Sep 32 6 Bankia gouldi M PS b Bankia gouldi No discernable gonad i

c Bankia gouldi M S i w ll36a 17 Sep S2 6 Teredo navalis No discernable gonad b Teredo navalis H EA c Teredo navalis M S

' Il37a 1 Sep S2 1 Teredo navalis No discernable gonad b Teredo navalis No discernable gonad

! c Teredo navalis No discernable gonad j d Teredo navalis No discernable gonad ,

ll3Sa i Sep 82 6 Teredo navalis H EA b Teredo navalis No discernable gonad c Teredo navalis H EA d Teredo navalis F S e Teredo navalis F LA i f Teredo navalis M S

g Teredo navalis F EA h Teredo navalis F EA
  • i i Teredo navalis M EA

] j Teredo navalis F R i

i

m M M M M M l TABLE 9. (continued)

Speciinen No. Station Month No. Months Species Sex Gonad Comments Removed Exposed Condition k Teredo navalis No discernable gonad i Teredo navalis F S m _Teredo navalis F R n Teredo navalis F S o Teredo navalis F S p Teredo navalis F S q Teredo navalis F S r Teredo navalis F S s Teredo navalis F S t Teredo navalis F S e

1139 11 Sep 82 12 Bankia gouldi M Ea Special panel m 1140 7 Sep S2 12 Bankia gouldi M S Ilhia 11 Sep 82 12 Teredo navalis M S Special panel b Teredo navalis M EA 3 Teredo navalis F Y c S d Teredo navalis M S 1142 17 Sep 32 12 Teredo navalis Special panel; no discernable gonad 1143 13 Oct 82 6 Bankia gouldi M S Il44a 14 Oct 32 6 Bankia gouldi M S b Bankia gouldi M S i c Bankia gouldi M S

^

a j p

. _ _ . . _ _ _ _ _ _ [ _m

M M M M M - M M Mi "

- M

/ - t o ,-

(

,1 ,

- 1

, 7.}

/-,

/+ 4' l' .- .

,i TABLE 9. (dontinued) ,- s g ,

, s

.. /

Specimen No. , Station' , Atonth No. Months Species Sex Gonad - Comments e Jc

/ Removed Exposed Condition 1145a IbB Oct S2 6 Bankia gouldi M S ,

b Bankia gouldi M S ",

I 4 1146 10B Oct 32 - 6 Teredo navalis M- S ,

1147 16B Oct 82 4 Bankia gouldi No discernable gonad 1148 3 Oct 82 6 Teredo navalis F S .

1149 15 Oct 82 6 Bankia gouldi No' discernable gonad

! w

1150 7 Oct 32 6 Teredo navalis M S

' ~ '

1 -' 11Mn 11 Oct $2 6 Teredo navalis F S j n ,

,Tr cic nava!is F S j 4

c Teredo navalis F c5 Teredo navalis / S, l d F(, ,

! e Teredo navalis M, S j f -< Terep ns.'alis ' -F S l g / Teredo na olis M LA l h Teredo na* alis ', M S j i Teredo navalis F S j j Teredo navalis M S i k Teredo navalis M S

. 1 Teredo navalis M S I m Teredo navalis M S 1 n Teredo navalis H S l o Teredo navalis M S ,

4 i

i i

{

i

M M M M M M M M TABLE 9. (continued)

Specirnen No. Station Month No. Months Species Sex Gonad Comments Rernoved Exposed Condition ll52a 17 Oct S2 6 Teredo navalis F S b Teredo navalis F S c Teredo navalis M S d Teredo navalis M EA e Teredo navalis No discernable gonad i

i 1153 3 Oct S2 6 Bankia gouldi M S l Il54a 17 Oct 82 12 Teredo navalis F S Special panel b Teredo navalis No discernable gonad w o

1155 12 Oct 82 12 Bankia gouldi Special panel; no discernable gonad 1

j ll56a 11 Oct 32 12 Teredo navalis H S Special panel

b Teredo navalis M S l c Teredo navalis No discernable gonad

! d Teredo navalis M S i e Teredo navalis M Il57a 7 Oct 82 12 Teredo navalis F R Special panel '

b no discernable gonad 11SSa i1 Oct 82 12 Bankia gouldi M S Special panel

{ b Bankia gouldi M S 1 c Bankia gouldi M S I d Bankia gouldi .1 S e Bankia gouldi M S 1

1 4

M M M M M M M TABLE 9. (continued)

I l,

l Specimen No. Station Month No. Months Species Sex Gonad Comments l Removed Exposed Condition l

1:.59a 1 Oct 82 6 Teredo navalis F R I b Teredo navalis F R j c TereJo navalis H PS

{ d Teredo navalis M PS J e Teredo navalis F S l f Teredo navalis F PS g Teredo navalis M PS h Teredo navalis No discernable gonad i Teredo navalis F PS

, j Teredo navalis M R I

k Teredo navalis H S w l 1 Teredo navalis F S m Teredo navalis F PS l

n Teredo navalis F S 0 Teredo navalis F S l Teredo navalis M PS j P

! 4 Teredo navalis M S i

l i

~

_ _

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