The Polar bears don't take much notice of the bbc though.
Climate change: Polar bears could be lost by 2100
July 2020
A bit long but. ***
https://www.thegwpf.org/content/uploads/2021/02/Crockford-Polar-Bears-2020-.pdf
Executive summary.
Results of three new polar bear surveys were published in 2020. All three populations were found to be either stable or increasing.• Southern Beaufort polar bear numbers were found to have been stable since 2010, not reduced as previously assumed, and the official estimate remains about 907.
M’Clintock Channel numbers more than doubled, from 284 in 2000 to 716 in 2016, due to reduced hunting and improved habitat quality (less multiyear ice).
Gulf of Boothia numbers were found to be stable, with an estimate of 1525 bears in 2017; body condition improved between study periods and thus showed ‘good potential for growth’.
At present, the official IUCN Red List global population esti-mate, completed in 2015, is 22,000–31,000 (average about 26,000) but surveys conducted since then, including those made public in 2020, would raise that average to almost 30,000. There has been no sustained statistically significant decline in any subpopulation.
Reports on surveys in Viscount Melville (completed 2016) and Davis Strait (completed 2018 have not yet been published; completion of an East Greenland survey is expected in 2022.
In 2020, Russian authorities announced the first-ever aerial surveys of all four polar bear subpopulations in their territory (Chukchi, Laptev, Kara, and Barents Seas), to be undertaken between 2021 and 2023.
Contrary to expectations, a new study has shown that females in the Svalbard area of the Barents Sea were in better condi-tion (i.e. fatter) in 2015 than they had been in the 1990s and early 2000s, despite contending with the greatest decline in sea ice habitat of all Arctic regions.
Primary productivity in the Arctic has increased since 2002 because of longer ice-free periods (especially in the Laptev, East Siberian, Kara, and Chukchi Seas, but also in the Barents Sea and Hudson Bay), but hit records highs in 2020; more fod-der for the entire Arctic food chain explains why polar bears, ringed and bearded seals, and walrus are thriving despite profound sea ice loss.
In 2020, contrary to expectations, freeze-up of sea ice on Western Hudson Bay came as early in the autumn as it did in the 1980s (for the fourth year in a row) and sea-ice breakup in spring was also like the 1980s; polar bears onshore were in excellent condition. These conditions came despite summer sea-ice extent across the entire Arctic being the second-low-est since 1979.
Data collected since 2004 on weights of fe-males in Western Hudson Bay have still not been published: instead, polar bear specialists have transformed standard body condition data collected in 1985–2018 into a new met-ric for population health they call ‘energetics’, which cannot be compared with previous studies.
In 2020, virtually all polar bear research was halted across the Arctic for the entire year due to restrictions on travel and efforts to isolate vulnerable northern communities from Covid-19
*** A link from
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