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NEW: Annual Report - George Mason University

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Table 11. Summary of white perch spawning data for Gunston Cove and Pohick and<br />

Accotink Creeks in 2003. Catch data from Pohick Creek and Accotink Creek have been<br />

combined.<br />

Date…. Adult white<br />

perch In<br />

creeks<br />

Eggs*<br />

in<br />

Creeks<br />

Larval<br />

Morone**<br />

in creeks<br />

Larval<br />

Morone**<br />

In cove<br />

Larval<br />

Morone**<br />

In channel<br />

161<br />

Juvenile<br />

White<br />

perch<br />

***<br />

Mar 27 0 0 0<br />

Apr 6 0 29 0<br />

Apr 10 48 4 0<br />

Apr 12 0 5 0<br />

Apr 19 -- 3 0<br />

Apr 26 0 3 0<br />

Apr 29 70 16 0<br />

May 3 0 31 0<br />

May 10 -- 152 0<br />

May 15 1 2 0<br />

May 16 0 --<br />

May 23 0 8 0<br />

May 29 0 0 0<br />

May 31 0 0 0<br />

Jun 12 0 8 1+0<br />

Jun 26 0 0 31+2<br />

Jul 7 3+0<br />

Jul 10 0 0<br />

Jul 24 0 0 14+8<br />

Aug 8 0 0<br />

Aug 21 0 0 13+29<br />

Sep 4 0<br />

Sep 22 1+3<br />

Oct 9 13+130<br />

Nov 24 22+39<br />

Dec 10 0<br />

*No. of fish eggs caught<br />

** No. of white perch larvae caught<br />

***Newly transformed white perch juveniles caught in trawls and seines,<br />

respectively, in Gunston Cove and the river<br />

A comparison of the number of larvae of Alosa sp., gizzard shad, white perch, and<br />

all species combined that were caught in each year in Pohick and Accotink Creeks is<br />

gathered in Table 12. In 2003, the catch of Alosa sp. larvae was greater than in any<br />

previous year. Based on the capture of adults and the time of capture of the larvae, most<br />

of these were probably alewife, but some blueback herring probably also spawned in the

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