Tag Archives: primary productivity

Polar bears are an environmental success story: short video from ICSC Canada

From Tom Harris at ICSC Canada: In ‘State of the Polar Bear Report 2020’, zoologist Dr. Susan Crockford writes, “in 2020, even though summer sea ice declined to the second lowest levels since 1979, there were no reports of widespread starvation of bears, acts of cannibalism, or drowning deaths that might suggest bears were having trouble surviving the ice-free season.

22 March 2021 [1:34]

Arctic report card 2020 highlights the huge benefit of less summer sea ice: more food

As well as summarizing sea ice changes, NOAA’s 2020 Arctic Report Card features two reports that document the biggest advantage of much less summer sea ice than there was before 2003: increased primary productivity. Being at the top of the Arctic food chain, polar bears have been beneficiaries of this phenomenon because the Arctic marine mammals they depend on for food – seals, walrus and bowhead whales – have been thriving despite less ice in summer.

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