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Filtering by: Creator Sawyer, Clifton B. Remove constraint Creator: Sawyer, Clifton B. Academic Affiliation Fisheries and Wildlife Remove constraint Academic Affiliation: Fisheries and Wildlife Decade 1960-1969 Remove constraint Decade: 1960-1969

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  • Factors affecting the abundance of fall chinook salmon in the Columbia River

    Creator:
    Van Hyning, Jack M.
    Abstract:
    A study of the population ecology of Columbia River fall chinook salmon, Oncorhynchus tshawytscha (Walbaum), was made in an attempt to determine the cause of a serious decline in this run which occurred in the early 1950's. Fluctuations in abundance of major salmon runs the North Pacific were examined to...
    Resource Type:
    Dissertation
    Full Text:
    tagged: A in the Grays Harbor area, May -June 1951 (97); B in the Columbia and Grays Harbor areas, 1958