Sentences with phrase «polar bear specialist»

John Sauven: If you look at the recent IUCN polar bear specialist group they said that of the 19 populations of polar bears, 8 are declining, 3 are stable, and one is increasing.

Yet, as I reported yesterday, polar bear specialist Andrew Derocher told the CBC this week that polar bears are almost always «forced» ashore by poor ice conditions.

«This paper ties it all together and shows a very clear relationship between the disappearance of sea ice and increasing predation intensity on seabirds,» says Andrew Derocher, a polar bear specialist and Arctic ecologist at the University of Alberta in Edmonton, Canada.

The study's results currently are used by the International Union for Conservation of Nature's polar bear specialist group, which completes assessments of polar bears and issues the species» conservation status.

I also sought reactions from some polar bear specialists and biologists focused on DNA clues to when the species split from its brown bear kin.

Some polar bear specialists warn that the pace of projected human - driven warming could present greater challenges than prolonged warm spells of the past.

Few people know that Arctic ringed seals (Phoca hispida, aka Pusa hispida) give birth and breed in the offshore pack ice in the spring, as it is seldom mentioned by either seal or polar bear specialists.

In short, we don't know what will happen since it has not happened before within living memory; the opinions of polar bear specialists must be taken with a grain of salt because so many of their previous assumptions have turned out to be wrong (Crockford 2017a, b, 2018), see here, here, and here.

Not exact matches

In 2009, the Polar Bear Specialist Group of the International Union for Conservation of Nature reported that eight polar bear subpopulations are declining, three are stable and one is increasBear Specialist Group of the International Union for Conservation of Nature reported that eight polar bear subpopulations are declining, three are stable and one is increasbear subpopulations are declining, three are stable and one is increasing.

Mitchell Taylor, a Canadian expert on polar bears who was in the specialists» group for many years, told some reporters that he was excluded this year because he disputes that the bears are in danger and that human - caused global warming poses a substantial threat to them.

They report in the journal Science of the Total Environment that they questioned 13 specialists from four nations to propose ways of measuring polar bear health.

Tagged 16th meeting, 16th Working Meeting, baffin bay, Chukchi Sea, Davis Strait, IUCN, number of polar bears, PBSG, Peacock, Polar Bear Specialist Group, Southern Beaufort, Stapleton, western hudson bay

«The PBSG is the authoritative source for information on the world's polar bears,» declares the PBSG / IUCN / Species Survival Commission website, «and one of IUCN / SSC's more than 100 specialist groups that work to produce and to compile scientific knowledge about the world's species and give independent scientific advice to decision - makers and management authorities.»

Is there a mutiny in the works between the IUCN Red List and the IUCN Polar Bear Specialist Group (PBSG) over polar bear population estimates or has there simply been a breach of ethBear Specialist Group (PBSG) over polar bear population estimates or has there simply been a breach of ethbear population estimates or has there simply been a breach of ethics?

«The IUCN Polar Bear Specialist Group (PBSG) should have been disbanded in 1996, the year polar bears were down - graded from a status of «vulnerable to extinction'to «lower risk — conservation dependent» (now called «least concern») on the IUCN Red List,» Professor Crockford writes.

In a posting on his website entitled, «How «Science» Counts Bears or Why it Takes a Village,» Steele explains why the polar bear counts of Canada's native Inuits are more accurate and scientific than the politicized computer modeling of the IUCN's Polar Bear Specialist Grbear counts of Canada's native Inuits are more accurate and scientific than the politicized computer modeling of the IUCN's Polar Bear Specialist GrBear Specialist Group.

Tagged Amstrup, BBC, Carbon Brief, declining population, declining sea ice, Derocher, GWPF, IUCN Polar Bear Specialist Group, Kara Sea, media attention, PBSG, polar bears, population estimates, rapid response team, The Times, threatened, vulnerable, Webster

Comments Off on IUCN Specialist Group now rejects polar bear numbers it used for 2015 IUCN Red List review

The question is, will the IUCN Polar Bear Specialist Group (PBSG) consider this new polar bear count to be reliable or complete enough to include in their next IUCN assessmBear Specialist Group (PBSG) consider this new polar bear count to be reliable or complete enough to include in their next IUCN assessmbear count to be reliable or complete enough to include in their next IUCN assessment?

The Barents Sea polar bear subpopulation boundaries, courtesy the IUCN Polar Bear Specialist Grbear subpopulation boundaries, courtesy the IUCN Polar Bear Specialist GrBear Specialist Group.

The eastern Barents Sea (located in Russian territory), as defined by the Polar Bear Specialist Group (see map below), provides ample habitat for polar bears to thrive despite extended fluctuations in seasonal sea ice cover in the western portion.

IUCN Polar Bear Specialist Group is the same group that are the source of this latest definition of polar bear knowleBear Specialist Group is the same group that are the source of this latest definition of polar bear knowlebear knowledge.

Tagged Beaufort Sea, climate change, Derocher, Eastern Beaufort, extinction, feeding, future, global warming, IUCN Polar Bear Specialist Group, models, Pilfold, polar bear, population, predation, predictions, Red list, ringed seals, Southern Beaufort, Stirling, thick spring ice, threatBear Specialist Group, models, Pilfold, polar bear, population, predation, predictions, Red list, ringed seals, Southern Beaufort, Stirling, thick spring ice, threatbear, population, predation, predictions, Red list, ringed seals, Southern Beaufort, Stirling, thick spring ice, threatened

Tagged activist organizations, Donna Laframboise, Intergovernmental Panel on Climate Change, IUCN Polar Bear Specialist Group, Pachauri, polar bears, Polar Bears International, politics, Rajendra Pachauri, science and religion

This is the 1st anniversary of Canada providing population estimates and trends independent of the pessimistic prognostications of the IUCN / SSC Polar Bear Specialist Group (PBSG)-- so let's celebrate the recent triumphs and resilience of polar bears to their ever - changing Arctic environment.

Based on such studies Dr. Derocher, chairman of the IUCN's Polar Bear Specialist Group (PBSG) warned, «It's clear from the research that's been done by myself and colleagues around the world that we're projecting that, by the middle of this century, two - thirds of the polar bears will be gone from their current populations».

That year, the IUCN Polar Bear Specialist Group booted 20 - year member Mitch Taylor out of their organization, explaining that his skeptical views on human - caused global warming were «extremely unhelpful» to their polar bear conservation ageBear Specialist Group booted 20 - year member Mitch Taylor out of their organization, explaining that his skeptical views on human - caused global warming were «extremely unhelpful» to their polar bear conservation agebear conservation agenda.