Human-induced borealization leads to the collapse of Bering Sea snow crab

Michael A. Litzow (), Erin J. Fedewa, Michael J. Malick, Brendan M. Connors, Lisa Eisner, David G. Kimmel, Trond Kristiansen, Jens M. Nielsen and Emily R. Ryznar
Additional contact information
Michael A. Litzow: NOAA Alaska Fisheries Science Center
Erin J. Fedewa: NOAA Alaska Fisheries Science Center
Michael J. Malick: NOAA Northwest Fisheries Science Center
Brendan M. Connors: Institute of Ocean Sciences
Lisa Eisner: NOAA Alaska Fisheries Science Center
David G. Kimmel: NOAA Alaska Fisheries Science Center
Trond Kristiansen: Farallon Institute for Advanced Ecosystem Research
Jens M. Nielsen: NOAA Alaska Fisheries Science Center
Emily R. Ryznar: NOAA Alaska Fisheries Science Center

Nature Climate Change, 2024, vol. 14, issue 9, 932-935

Abstract: Abstract The abrupt collapse of the Bering Sea snow crab stock can be explained by rapid borealization that is >98% likely to have been human induced. Strongly boreal conditions are ~200 times more likely now (at 1.0–1.5 °C of warming) than in the pre-industrial climate, while strongly Arctic conditions are now expected in only 8% of years. Stakeholders should accelerate adaptation planning for the complete loss of Arctic characteristics in traditional fishing grounds.

Date: 2024
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DOI: 10.1038/s41558-024-02093-0

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