Telemetry and Genetic Identity of Chinook Salmon in AK

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Chinook salmon (Oncorhynchus tshawytscha) is an iconic species found throughout the North Pacific Ocean and supports valuable subsistence, commercial and recreational fisheries. In addition to its importance to fisheries, Chinook salmon is an important food source for many apex marine predators, including endangered Southern Resident killer whales (Orcinus orca). Currently, coast-wide changes in Chinook salmon population demographics and production have been documented from western Alaska to California, including several Evolutionarily Significant Units (ESUs) from the United States (U.S.) Pacific Northwest (PNW) that are protected under the U.S. Endangered Species Act (ESA).