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Billions of snow crabs have disappeared from the ocean around Alaska in recent years, and scientists now say they know why: Warmer ocean temperatures likely caused them to starve to death.
The finding comes just days after the Alaska Department of Fish and Game announced the snow crab harvest season was canceled for the second year in a row, citing the overwhelming number of crabs missing from the typically frigid, treacherous waters of the Bering Sea.
The study, published Thursday by scientists at the National Oceanic and Atmospheric Administration, found a significant link between recent marine heat waves in the eastern Bering Sea and the sudden disappearance of the snow crabs that began showing up in surveys in 2021.
“When I received the 2021 data from the survey for the first time, my mind was just blown,” said Cody Szuwalski, lead author of the study and fishery biologist at NOAA. “Everybody was just kind of hoping and praying that that was an error in the survey and that next year you would see more crabs.”
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The finding comes just days after the Alaska Department of Fish and Game announced the snow crab harvest season was canceled for the second year in a row, citing the overwhelming number of crabs missing from the typically frigid, treacherous waters of the Bering Sea.
The study, published Thursday by scientists at the National Oceanic and Atmospheric Administration, found a significant link between recent marine heat waves in the eastern Bering Sea and the sudden disappearance of the snow crabs that began showing up in surveys in 2021.
“When I received the 2021 data from the survey for the first time, my mind was just blown,” said Cody Szuwalski, lead author of the study and fishery biologist at NOAA. “Everybody was just kind of hoping and praying that that was an error in the survey and that next year you would see more crabs.”
Billions of crabs went missing around Alaska. Scientists now know what happened to them
Billions of snow crabs have disappeared from the ocean around Alaska in recent years, and scientists now say they know why: Warmer ocean temperatures likely caused them to starve to death.
