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Filtering by: Subject Fisheries -- Columbia River -- Periodicals Academic Affiliation Fisheries and Wildlife Degree Level Master's

Importance of the upper littoral zone as rearing area for larval and juvenile fishes in a Columbia River impoundment

Creator:

La Bolle, Larry D.

Abstract:

Shallow-water habitats (< 0.5 m depth) of the upper littoral zone of John Day Pool of the Columbia River were heavily used by young fishes in comparison with lower littoral and limnetic waters. Through the season, 96.9% of the 64,700 larvae and juveniles collected (corrected for effort) were from upper...

Resource Type:

Masters Thesis
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:

maturity of Brights 9 2. Chinook salmon landings, by run, in the Columbia River commercial fishery, 1866
A comparison of early marine residence in hatchery and natural Chinook salmon (Oncorhynchus tshawytscha)

Creator:

Claiborne, Andrew M.

Abstract:

The mechanisms of mortality during critical life stages of fish are not well-understood and, for many species, it is not clear if the mechanisms are similar for naturally and artificially propagated individuals. For Chinook salmon (Oncorhynchus tshawytscha), natural fish potentially face negative interactions, such as competition, and survival disadvantages, such...

Resource Type:

Masters Thesis

Full Text:

Columbia River estuary. Fishery Bulletin 110:426-450. Zabel, R. W., and J. G. Williams. 2002. Selective

ScholarsArchive@OSU

Importance of the upper littoral zone as rearing area for larval and juvenile fishes in a Columbia River impoundment

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

A comparison of early marine residence in hatchery and natural Chinook salmon (Oncorhynchus tshawytscha)

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