Study: Wild Chinook Spawning Later In A Warming River, While Hatchery Strays Spawning Earlier

September 24th, 2020

Spawn timing for wild chinook salmon in the Skagit River system in Washington is slowly occurring later in the year as the river warms due to climate change, a finding that fits with previous research. However, the trend for hatchery-origin stray chinook salmon in the same river is towards earlier spawning, according to a recent study.

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Alaska Salmon Getting Smaller, Returning To Rivers Younger; Climate Change, Competition With Growing Numbers Of Hatchery Fish In Ocean

August 19th, 2020

The size of salmon returning to rivers in Alaska has declined dramatically over the past 60 years because they are spending fewer years at sea, according to a new study led by researchers at the University of California, Santa Cruz, and the University of Alaska Fairbanks.

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In New Research NOAA Scientists Introduce ‘Thermal Displacement’ Metric Showing How Ocean Heatwaves Shift Habitats

August 6th, 2020

Marine heatwaves across the world's oceans can displace habitat for sea turtles, whales, and other marine life by 10s to thousands of kilometers. They dramatically shift these animals' preferred temperatures in a fraction of the time that climate change is expected to do, new research shows.

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