Size Matters When it Comes to Chinook Spawning Success in Alaska’s Yukon and Kuskokwim Rivers
In a new study titled “Body size and early marine conditions drive changes in Chinook salmon productivity across northern latitude ecosystems” scientists at the University of Alaska Fairbanks found that the size of a Chinook salmon, which has been steadily decreasing in recent years, impacts their ability to reach adulthood, successfully spawn, and produce young that are as capable of surviving their first few years in fresh water and subsequent years in the ocean.
Scientists looked at 26 Chinook salmon populations in Alaska’s two biggest ...
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