Search Results for: derocher

Derocher admits Western Hudson Bay polar bear population may not be declining

Earlier this year, I challenged a journalist to ask to see the data used by Andrew Derocher and his colleagues to support their repeated claims that Western Hudson Bay polar bears are having trouble surviving. It almost happened. David Rose, … Continue reading

Polar bear population numbers are for kids, says specialist Andrew Derocher

Polar bear specialists made global population numbers the focus of the world’s attention when they predicted a dramatic decline and possible extinction of the species. But now that the numbers have increased slightly rather than declined, the same scientists say … Continue reading

Polar Bear Science envy – polar bear biologist Andrew Derocher steals my blog name

I’ve got an imitator! It appears that a recently created website promoting polar bear biologist Andrew Derocher’s lab at the University of Alberta just happens to have the same title as my blog: Polar Bear Science. Oscar Wilde said: “Imitation … Continue reading

Andrew Derocher raises the “starving polar bears” issue in DailyMail interview

In what looks like a follow-up to last week’s CBC documentary, The Politics of Polar Bears, the London (UK) based DailyMail published interviews with polar bear biologists Mitch Taylor and Andrew Derocher (September 9, 2014). The CBC film did have … Continue reading

Collapse of polar bear snow dens – Stirling and Derocher’s anecdotal evidence

In their summary of facts supposedly supporting the premise that global warming is already having an impact on polar bear populations (discussed previously here, here, and here), biologists Ian Stirling and Andrew Derocher (2012:2700) include a list of incidents of … Continue reading

Stirling and Derocher’s sea ice trick – omitting facts to make polar bears appear endangered

Polar bear biologists Ian Stirling and Andrew Derocher continue to insist that western Hudson Bay (WHB) polar bears are already showing negative effects of reduced sea ice due to global warming. In their 2012 summary paper (Stirling and Derocher 2012), … Continue reading

Andrew Derocher refuses to accept that polar bears have been saved

Andrew Derocher, an known polar bear advocate, has been making headlines again, this time promoting a new “policy paper” he is lead author on that has just been accepted for publication. He and his colleagues simply refuse to accept that … Continue reading

Another polar bear advocate writes a book: Derocher and Lynch 2012

Polar Bears: A Complete Guide to their Biology and Behavior (2012) Text by Andrew E. Derocher, Photographs by Wayne Lynch, in association with Polar Bears International. Johns Hopkins University Press 264 pp. 153 color photos, 4 maps. 978-1-4214-0305-2    $39.95 hardcover … Continue reading

Ryrkaypiy ‘over-run’ by >50 polar bears is probably due to more Chukchi Sea bears

A scary-sounding headline from the BBC today screams “Ryrkaypiy: Far-north Russian village overrun by polar bears“. A little research would have shown (as I do below) that this sort of event is not unusual for this village, there is adequate … Continue reading

Western Hudson Bay freeze-up earlier than average for 1980s for the third year in a row

This is the third year in a row that freeze-up of Western Hudson Bay (WH) ice has come earlier than the average of 16 November documented in the 1980s. Reports by folks on the ground near Churchill confirm polar bears … Continue reading