Sentences with phrase «polar bear habitat at»

However, according to NSIDC Masie figures, polar bear habitat at mid-May registers about 12 million km2, just as it did in 2006 (although it is distributed a little differently); other data show spring extent has changed little since a major decline occurred in 1989, despite ever - rising CO2 levels.

Not exact matches

During the summer months, you can cool off at the new «Journey to Churchill Northern Species» exhibit that features expanded polar bear, Arctic fox, wolf, musk ox, caribou, snowy owl, and seal habitats.
That corresponds to a roughly 3 1/2 week shift at either end — and seven weeks of total loss of good sea ice habitat for polar bears — over the 35 years of Arctic sea ice data.
The Interior Department lists the polar bear as a «threatened» species — one at risk of becoming endangered — due to dangerous declines in their sea ice habitat
Sea ice is a crucial part of the ecosystems at both poles, providing habitat and influencing food availability for penguins, polar bears and other native species.
Regardless of whether hybridization rates may increase, at least for polar bears any effect they might have on population welfare pale by comparison to the loss of habitat and subsequent loss of foraging ability.
Polar bears are being driven from their usual habitats on the disappearing polar ice at the same time that grizzlies are moving farther north because of global warming, resulting in cross-breeding.
Today, I'll take a look at sea ice and ringed seal habitat in the Gulf of Boothia and M'Clintock Channel, as well as information from a study on polar bear diets, which together shine some light on why the Gulf of Boothia is such a great place for polar bears.
Bottom line: Barents Sea polar bears are loyal to this region because the eastern portion has the habitat they require to thrive even when sea ice cover in the western portion essentially disappears for thousands of years at a time.
That's at least according to a recent study that estimates that by 2075, habitat reduction will have led to the utter elimination of adequate raising grounds for polar bear young, dooming the species.
This loss of habitat puts polar bears at risk of becoming endangered in the foreseeable future, the standard established by the ESA for designating a threatened species.»
â $ œFuture challenges for conserving polar bears and their Arctic habitat will be greater than at any time in the past because of the rapid rate at which environmental change appears to be occurring.
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