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Chinook salmon Oncorhynchus tshawytscha recruitment in the Yukon and Kuskokwim (Y-K) region of western Alaska is important for subsistence and commercial harvest. Recruitment of Chinook salmon in this region has been unpredictable in recent years, and managers and subsistence harvesters are searching for answers. Chinook salmon require freshwater growth to smolt, and larger smolts are thought to have higher marine survival. In this study, I tested for correlations between freshwater growth and recruitment using measurements from scale digitizations. All analyses were conducted at the tributary scale, with one tributary representing each river system. Linear regressions were used to check for correlations between...


    map background search result map search result map Freshwater growth and recruitment of Yukon and Kuskokwim River Chinook salmon: A retrospective growth analysis Freshwater growth and recruitment of Yukon and Kuskokwim River Chinook salmon: A retrospective growth analysis