A Review of the Critical Size, Critical Period Hypothesis for Juvenile Pacific Salmon
作者： Richard J. Beamish , Glacier Highway , Edward V. Farley , Jamal H. Moss
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摘要: In this review, we consider size of juvenile Pacific salmon (Oncorhynchus spp.) after the first summer at sea to be trait on which size-selective mortality operates. The idea is based critical size, period hypothesis, where those individuals within a cohort that do not reach during their have higher rates late fall and over-winter mortality. results suggest early marine growth Bristol Bay sockeye (O. nerka), Prince William Sound hatchery pink gorbuscha), British Columbia coho kisutch) from geographically distinct regions (Bering Sea, northern Gulf Alaska, coastal Columbia, respectively) important these must attain sufficient survive subsequent years sea.
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