Strategy For A Drying Northwest: In Some Places Fish Rescue May Be Only Feasible Management Option To Avoid Extinction

April 2nd, 2021

As the climate warms and more and more cascading streams dry up, changing those streams to disconnected puddles that trap migrating juvenile salmon and steelhead, humans may have to step in to rescue the fish. Without this intervention, some stocks may go extinct, according to a recent study.

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AN EXCHANGE: Are Lower Snake Dams Or Ocean Conditions Responsible For Continued Low Smolt-To-Adult Returns?

March 18th, 2021

Last month 68 leading salmon and fisheries scientists sent a letter to Northwest governors, the Northwest congressional delegation, and policymakers that summarizes actions they say are necessary to protect and restore abundant salmon and steelhead runs to the Columbia/Snake river basin. Subject: “Scientists’ letter on the need for lower Snake River dam removal to protect salmon and steelhead from extinction and restore abundant, fishable populations.”

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Where Salmon Spend The Most Time: Ocean Conditions Good For Fish Right Now, Heat Wave Expected Later This Year

March 11th, 2021

Looking at weather and climate indicators, a leading ocean scientist says conditions along the West Coast are good for fish, at least momentarily. However, climate change will cause conditions for salmon to continue to deteriorate and that will negatively impact runs of Columbia River basin salmon and steelhead runs in the future.

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New Study Identifies Mountain Snowpack Most ‘At-Risk’ From Climate Change; Cascades, Sierras, Coast

March 4th, 2021

As the planet warms, scientists expect that mountain snowpack should melt progressively earlier in the year. However, observations in the U.S. show that as temperatures have risen, snowpack melt is relatively unaffected in some regions while others can experience snowpack melt a month earlier in the year.

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Unsettling: NOAA Research Says Warming Ocean Poses Risk Of Extinction For Snake River Spring/Summer Chinook By 2060s

February 26th, 2021

NOAA Fisheries is using life-cycle modeling that projects threatened Snake River spring/summer chinook salmon will experience starkly lower survival rates during their years in the ocean in the future compared to now. Unusually warm temperatures—including a 2014-2015 marine heatwave— have depressed salmon returns to many West Coast rivers, including the Snake and Columbia.

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