Sea Lion Predation: Most At-Risk Spring Chinook From Clearwater, Salmon, Icicle, Deschutes, Umatilla

Sea Lion predation dynamics change from year-to-year below the lower Columbia River’s Bonneville Dam but a constant, it appears, is that early arriving salmon stocks, including some protected under the Endangered Species Act, take a bigger hit, according to a research article published last week in the American Fisheries Society’s journal, Transactions.

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