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Study Finds Suitable Mainstem Spawning Habitat Upstream Of Grand Coulee Dam To Support Up To 32,000 Adult Summer/Fall Chinook

May 13th, 2021

Researchers have found enough suitable habitat for more than 32,000 spring/fall chinook salmon to spawn in a section of upper Lake Roosevelt to the border with Canada where current is swifter than it is near Grand Coulee Dam – but that’s only if the fish can make it upstream of Grand Coulee and Chief Joseph dams.

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The Competing Trade-Offs Of Mixed-Stock Fisheries: Can Fisheries Benefit From Such Biodiversity Without Harming Weak Populations?

May 13th, 2021

A new study by researchers from Simon Fraser University and Canada’s Department of Fisheries and Oceans reveals the trade-offs of fish biodiversity--its costs and benefits to mixed-stock fisheries--and points to a potential way to harness the benefits while avoiding costs to fishery performance.

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