[env-trinity] Trinity Journal 11 18 09

[Byron Leydecker]

Spawning season 
Hatchery numbers about average 
TRINITY JOURNAL STAFF 





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Hatchery workers Gene Stanfield and Mike O'Brien collect eggs from female
fish that had been anesthetized and killed. 

The Trinity River Hatchery in Lewiston is having a "middle of the road" year
for fish returns to the facility, Hatchery Manager Laird Marshall said. 

"It's not a banner year, but we will make sufficient egg collection,"
Marshall said early this week. 

Preliminary counts from the state Department of Fish and Game indicate that
3,092 spring run chinook returned to the hatchery. 

The other runs are not complete, but as of Nov. 10, there were 4,683
returning fish from the fall chinook run with collection to end around the
first week of December. Also on Nov. 10, 2,034 coho had returned to the
hatchery, with that run to end around the second week of December. It is
very early for steelhead, but on the 10th 123 had made it to the hatchery. 

The hatchery has eight full-time employees and three seasonal aides. Located
immediately downstream from Lewiston Dam, it is intended to mitigate for
lost spawning and rearing grounds due to Lewiston and Trinity dams. 





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Small steelhead back in April. 

 



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Above, Amy Knabe, a seasonal aide, and Gene Stanfield, a fish and wildlife
technician, sort anesthetized fish based on the fish's readiness to spawn.
At right, Knabe and Mike O'Brien prepare the fertilized eggs. 

 



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PHOTOS BY PHIL NELSON THE TRINITY JOURNAL 

 



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Sperm is shot from the males. 

 

 

Byron Leydecker, JcT

Chair, Friends of Trinity River

PO Box 2327

Mill Valley, CA 94942-2327

415 383 4810 land

415 519 4810 cell

 <mailto:bwl3 at comcast.net> bwl3 at comcast.net

 <mailto:bleydecker at stanfordalumni.org> bleydecker at stanfordalumni.org
(secondary)

 <http://fotr.org/> http://www.fotr.org 

 

 

 

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