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Spring Chinook Salmon. Photo: Michael Humling, US Fish & Wildlife Service
Spring Chinook Salmon. Photo: Michael Humling, US Fish & Wildlife Service

Opening the black box: What’s killing Puget Sound’s salmon and steelhead?

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An intensive research program in the U.S. and Canada is studying why so few salmon in the Salish Sea are returning home to spawn. They are uncovering a complex web of problems involving predators, prey and other factors that put salmon at risk as they migrate to the ocean. Puget Sound Institute senior writer Christopher Dunagan begins a four-part series on the Salish Sea Marine Survival Project, including new findings presented at the 2018 Salish Sea Ecosystem Conference last spring in Seattle.

Read part one of the series in Salish Sea Currents.