Sentences with phrase «many polar bear biologists»

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.

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.

Just keep reminding yourself that all the hype has very little to do with the conservation status of polar bears and virtually everything to do with the survival of the IUCN PBSG as an organization and the economic future of polar bear biologists and their ever - growing crop of students.»

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.

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.

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

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.

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

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

Not exact matches

«It is possible that Svalbard may have provided one such important refuge during warming periods, in which small polar bear populations survived and from which founder populations expanded during cooler periods,» argues biologist Charlotte Lundqvist of the University at Buffalo, The State University of New York, who is a co-author of the new study.

NEXT week, we shall explore the reasons for biologists dressing up to try to convince reindeer they are polar bears, the icky secrets of innovative sausages and the amazing curative powers of salt pork (under medical supervision).

As their hunting behavior shifts from ice to land, the polar bears «have progressively arrived earlier and earlier to have access to more eggs,» says biologist Børge Moe, another principal author of the study who works at the Norwegian Institute for Nature Research in Kongsfjorden, where seabird egg predation is just beginning to increase.

It is pushing for new oil and gas drilling in polar bear habitat while biologists for Interior Department, prodded by legal action, recommended the bear be given threatened status under the species act because of the warming of the Arctic and summer retreat of sea ice.

July 31, 2011, 11:35 a.m. Updated There's been a rush to all manner of judgments over the strange case of Charles Monnett, the biologist for the Bureau of Ocean Energy Management, Regulation and Enforcement who provided a powerful talking point for climate campaigners, including former Vice President Al Gore, with his description of several drowned polar bears spotted during an aerial marine - mammals survey in 2004 — an observation enshrined in a short paper published in Polar Biology in 2006.

[Oct. 2, 2012, 1:23 p.m. Updated Charles Monnett, the federal biologist at the heart of the investigation described below, has been cleared of scientific misconduct over his polar bear surveys (report link), but his case remains a source of disputes at several levels — as described in detail by Jill Burke in Alaska Dispatch.

Linda Gormezano, a biologist at the American Museum of Natural History, has been studying the polar bear population along the western shore of Hudson Bay.

This is the main reason biologists have concerns for the long - term welfare of polar bears, which have a harder time sustaining their weight and reproducing when summertime ice is thin.

Steven C. Amstrup, the federal biologist who led an analysis last year concluding that the world's polar bear population could shrink two thirds by 2050 under moderate projections for retreating summer sea ice, is once again in the field along Alaska's Arctic coast, studying this year's brood of cubs, yearlings and mothers.

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.

@ Duncan — I trust DoI biologists way more than you with respect to whether global warming's threat to polar bear survival is «ridiculous» or not.

Steven C. Amstrup, a biologist with the United States Geological Survey, poses with the cubs of a sedated polar bear.

Federal biologists have said that this long - term ice retreat is the main reason they concluded that polar bears deserved protection under the Endangered Species Act.

A large polar bear, stuck ashore, approached biologists studying coastal erosion related to sea - ice retreats.

In my piece weighing the merits of very different strategies for giving ice - dependent polar bears a chance in a warming world, I promised I'd post the views of some of the biologists, sea - ice researchers and climate scientists who've been tracking relevant questions.

There's one other question about polar bear breeding and ice conditions that I'm hoping to pursue with these and other biologists working in the Arctic.

Scott Schliebe, a federal biologist and the polar bear project leader for the Fish and Wildlife Service, said the basic connection between shrinking ice and greater distress for the bears was well established.

WASHINGTON, Dec. 27 — The Interior Department proposed Wednesday to designate polar bears as a threatened species, saying that the accelerating loss of the Arctic ice that is the bears» hunting platform has led biologists to believe that bear populations will decline, perhaps sharply, in the coming decades.

While Mr. Kempthorne and Dale Hall, director of the Fish and Wildlife Service, said Wednesday that they saw no separate risk to polar bears from oil and gas activity, the latest assessment of the species for the International Conservation Union, by a group of experts including Fish and Wildlife Service biologists, did include such activity in a list of threats, including toxic contaminants, shipping and recreational viewing.

Many Arctic biologists insist that polar bears are not just threatened by future global warming and a «melting ice cap.»

The low - ice future that biologists said would doom polar bears to extinction by 2050 has already happened in 8 out of the last 10 years.

Biologists are warning that warmer temperatures from climate change are forcing polar bears to swim longer distances to find stable sea ice.

As a physical scientist rather than a biologist, I am generally reluctant to get involved in such topics as the influence of climate on polar - bear population, health and biology.

Canadian biologist Dr. Mitchell Taylor, one of the foremost authorities on polar bears, says: «We're seeing an increase in bears that's really unprecedented, and in places where we're seeing a decrease in the population it's from hunting, not from climate change.»

Five years after wildlife biologist Charles Monnett's 2006 observations of dead polar bears, believed to have drowned because of disappearing Arctic ice, Interior started an investigation of Monnett's science.

A wildlife biologist is using many techniques to find out, including stalking muskoxen in a polar bear costume.

Internal memorandums circulated in the Alaskan division of the Federal Fish and Wildlife Service appear to require government biologists or other employees traveling in countries around the Arctic not to discuss climate change, polar bears or sea ice if they are not designated to do so.

So various tame conservation biologists came up with all sorts of nonsense about how polar bear populations were dwindling and how the melting of the ice floes would jeopardize their ability to feed themselves etc..

WASHINGTON — More than 150 biologists and climate scientists today called on the Obama administration to follow the best available science in deciding the level of protection polar bears will get under the Endangered Species Act.

Seals, walrus and polar bears are much more flexible and resilent to changes in habitat conditions than most modern biologists give them credit for and consequently, it will be fascinating to see how the ice will change over the coming months and how the animals will respond.

Biologists have predicted for decades that as the ice disappears, polar bear populations will decline because they rely on the ice as a hunting platform.

I could be wrong, but my guess is that compared to all varieties of climate research, the carbon footprint of polar bear field biologists exceeds them (or comes damn close to it), except perhaps the ice - core folks.