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      Evidence Linking Delayed Mortality of Snake River Salmon to Their Earlier Hydrosystem Experience

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      North American Journal of Fisheries Management
      American Fisheries Society

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          Visualization of an Oxygen-deficient Bottom Water Circulation in Osaka Bay, Japan

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            Primary and Secondary Effects of Stress in Fish: Some New Data with a General Review

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              Recovery and management options for spring/summer chinook salmon in the Columbia River basin.

              Construction of four dams on the lower Snake River (in northwestern United States) between 1961 and 1975 altered salmon spawning habitat, elevated smolt and adult migration mortality, and contributed to severe declines of Snake River salmon populations. By applying a matrix model to long-term population data, we found that (i) dam passage improvements have dramatically mitigated direct mortality associated with dams; (ii) even if main stem survival were elevated to 100%, Snake River spring/summer chinook salmon (Oncorhynchus tshawytscha) would probably continue to decline toward extinction; and (iii) modest reductions in first-year mortality or estuarine mortality would reverse current population declines.
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                Author and article information

                Journal
                North American Journal of Fisheries Management
                North American Journal of Fisheries Management
                American Fisheries Society
                0275-5947
                1548-8675
                February 2002
                February 2002
                : 22
                : 1
                : 35-51
                Article
                10.1577/1548-8675(2002)022<0035:ELDMOS>2.0.CO;2
                f8091571-f6f8-4602-b4dc-4b00ad725345
                © 2002

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