Tag Archives: disappearing

It’s back: Bering Sea polar bear habitat has recovered from a low earlier this month

Fancy that! After a load of handwringing earlier this month, mobile pack ice in the Bering Sea has returned. Just like ice in the Barents Sea, Bering Sea ice is highly variable (Brown et al. 2011): it moves with winds and currents, so a ‘decline’ during the winter usually indicates redistribution, not melting.

Polar_bear Bering Sea 2007 USFWS lg

Polar bear on Bering Sea ice 2007 USFWS

According to researcher Rick Thoman from the University of Alaska Fairbanks, quoted by the Canadian Press:

“Wind blew ice to Russian beaches in the west and to the south side of Norton Sound south of Nome but left open water all the way to Chukchi Sea north of the Bering Strait.”

Polar bears that venture into the Bering Sea are part of the Chukchi Sea subpopulation, which is known to be thriving (Crockford 2019; AC SWG 2018; Regehr et al. 2018; Rode and Regehr 2010; Rode et al. 2013, 2014, 2015, 2018).

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