Climate change is cooking salmon in the Pacific Northwest | Popular Science

Climate change is cooking salmon in the Pacific Northwest | Popular Science

The Washington Department of Fish and Game does not track the number of fish who make it to spawning grounds but die before they can reproduce. However, hatchery workers say they seen have more and more adult fish perish in stream beds before they can spawn. It’s not just heat that is threatening fish. Dwindling winter snowpack has deprived the rivers and streams where salmon spawn of a key source of water.

“With lower water [levels] and higher water temperatures, it makes it a lot harder for them to find the safe places to survive until they’re ready to spawn,” said Ashley Caldwell, a fisheries biologist for the Tulalip Tribes, who explained that increased rain in cooler months is making life difficult for the salmon as well.

“Climate change has created much higher rains in the fall and winter months…that wipe out their spawning grounds,” she said. “It’s not ideal. It’s not the constant rain that we’re used to here in Washington. It’s these monsoon-type rains that we’re getting. Everything’s getting thrown out of whack.”

via Climate change is cooking salmon in the Pacific Northwest | Popular Science

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