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Study Probes Why Chinook Salmon Are Trending Younger and Smaller

KUAC | By Dan Bross
Published April 13, 2021 at 1:22 PM AKDT
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Kousei Martin Perales

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.

Local NewsYukon RiverUniversity of Alaska FairbanksChinook salmoncomputer models
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Dan Bross
Dan has been in public radio news in Alaska since 1993. He’s worked as a reporter, newscaster and talk show host at stations in McGrath, Valdez and Fairbanks. Dan’s experience includes coverage of a wide range of topics, from wolf control to the Trans-Alaska Pipeline and dog mushing.
See stories by Dan Bross