Sentences with phrase «polar bear biologist»

Almost a year after that paper's publication, a group of polar bear biologists including Stirling and Derocher published a response in Ecological Complexity.

The new polar bear paper is by a group of authors led by Steven Amstrup, the United States Geological Survey polar bear biologist who led the government analysis of the bear's prospects.

But the bears» offshore habits, both in the water and on the ice, are poorly understood, according to Scott Schliebe and Steve Amstrup, federal polar bear biologists who have amassed several decades of bear studies between them.

It's bad enough when it's a leading polar bear biologist making such a ridiculous claim but there is no reason at all to take the scientifically baseless word of Sebastian Copeland on this matter.

There is rising concern among polar bear biologists that the big recent summertime retreats of sea ice in the Arctic are already harming some populations of these seal - hunting predators.

A new paper that combines paleoclimatology data for the last 56 million years with molecular genetic evidence concludes there were no biological extinctions [of Arctic marine animals] over the last 1.5 M years despite profound Arctic sea ice changes that included ice - free summers: polar bears, seals, walrus and other species successfully adapted to habitat changes that exceeded those predicted by USGS and US Fish and Wildlife polar bear biologists over the next 100 years.

USGS polar bear biologist Karyn Rode and colleagues (press release here) have tried to frame this issue as one about future survival of polar bears in the face of declining sea ice.

A new paper by polar bear biologists (Rode et al. 2015) argues that terrestrial (land - based) foods are not important to polar bears now and will not be in the future — a conclusion I totally agree with — but they miss the point entirely regarding the importance of this issue.

People from the South only hear one side of the story, which is from polar bear biologists or scientists who are using predictions, using computer simulations and we don't agree with that.

A report by environmental photojournalist Jenny Ross, who took the disturbing photos, and polar bear biologist Dr Ian Stirling notes three such sightings, and warns that as global warming continues, «the frequency of such intraspecific predation may increase.»

Oddly, polar bear biologists chose to dispel the serious concerns over invasive research by presenting the outputs of computer models.

Many polar bear biologists have stopped putting satellite radio collars on polar bears and have turned to other methods to gather population size data, a step that means less handling stress for the bears.

While federal polar bear biologists are recommending that the Interior Department list the species as threatened throughout its range due to the Arctic ice retreat (a decision is supposed to come next month), the team doing that work told me in October there was no threat of outright extinction within a century or more.

The lead author was Markus Dyck, a polar bear biologist for the Canadian territory of Nunavut.

And what of the hypocrisy of polar bear biologists, who harp incessantly about the horrors of fossil fuel use, when their research would literally grind to a halt without jet fuel and oil for the helicopters they use routinely for months at a time?