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Life history variability includes phenotypic variation in morphology, age, and size at key stage transitions and arises from genotypic, environmental, and genotype-by-environment effects. Life history variation contributes to population abundance, productivity, and resilience, and management units often reflect life history classes. Recent evidence suggests that past Chinook salmon (Oncorhynchus tshawytscha) classifications (e.g., ‘stream’ and ‘ocean’ types) are not distinct evolutionary lineages, do not capture the phenotypic variation present within or among populations, and are poorly aligned with underlying ecological and developmental processes. Here we review recently reported variation in juvenile Chinook...


    map background search result map search result map The role of density-dependent and–independent processes in spawning habitat selection by salmon in an Arctic riverscape Migratory patterns of wild Chinook salmon Oncorhynchus tshawytscha returning to a large, free-flowing river basin Sonar Estimation of Chinook and Fall Chum Salmon Passage in the Yukon River Near Eagle, Alaska, 2013 Trophic pathways supporting juvenile Chinook and coho salmon in the glacial Susitna River, Alaska: patterns of freshwater, marine, and terrestrial food resource use across a seasonally dynamic habitat mosaic Diversity of juvenile Chinook salmon life history pathways The role of density-dependent and–independent processes in spawning habitat selection by salmon in an Arctic riverscape Sonar Estimation of Chinook and Fall Chum Salmon Passage in the Yukon River Near Eagle, Alaska, 2013 Trophic pathways supporting juvenile Chinook and coho salmon in the glacial Susitna River, Alaska: patterns of freshwater, marine, and terrestrial food resource use across a seasonally dynamic habitat mosaic Migratory patterns of wild Chinook salmon Oncorhynchus tshawytscha returning to a large, free-flowing river basin Diversity of juvenile Chinook salmon life history pathways