As Alaska’s temperature rises, salmon deaths mount

Record-breaking summer temperatures may be linked to a rise in salmon deaths in Alaska. Sam Rabung, director of commercial fisheries for the Alaska Department of Fish and Game, said dead salmon have been showing up in river systems throughout the state, likely due to warm waters or low river levels. June was unusually warm, and July was the hottest month ever recorded in Alaska, up 5.4 degrees over the historical average temperature for the month. Salmon deaths are typical after females lay their eggs, but many fish carcasses turned up this year filled with unlaid eggs.

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