Computer modelling points to age specific ocean mortality as a reason chinook salmon returning to Alaska rivers are trending younger and smaller. As KUAC’s Dan Bross reports, a recently published study points to the loss of 3-year-old fish, and the possibility the larger chinook may be more targeted by salmon sharks and other marine predators.
Study Probes Why Chinook Salmon Are Trending Younger and Smaller
Kousei Martin Perales
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University of Alaska Fairbanks
