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Filtering by: Creator Cowlitz Valley Ranger District (Agency : Wash.) Creator Beaty, Roy E. Degree Name Master of Science (M.S.)

Changes in size and age at maturity of Columbia River upriver bright fall chinook salmon (Oncorhynchus tshawytscha) : implications for stock fitness, commercial value, and management

Creator:

Beaty, Roy E.

Abstract:

The average size and age of chinook salmon (Oncorhynchus tshawytscha) caught in commercial fisheries along the Pacific Coast of North America have decreased substantially in this century. These declines might be caused in part by changes in size and age at maturity within the stocks contributing to those fisheries. Upriver...

Resource Type:

Masters Thesis

Full Text:

staff at the Battle Ground Lab.), Paul Seidel, and Paul Peterson (Cowlitz Hatchery) -- Washington