Sentences with phrase «diets of polar bears»

We characterized the current terrestrial diet of polar bears in western Hudson Bay by evaluating the contents of passively sampled scat and comparing it to a similar study conducted 40 years ago.

Not exact matches

That all polar bears have the same version indicates that it is very beneficial, perhaps enabling the animals to eat lots of fat without developing artery - clogging plaques that can plague humans who eat high - fat diets, says study co-author Eline Lorenzen, a molecular ecologist at the University of California (UC), Berkeley.

This raises all kinds of research questions, including whether polar bears are changing diets to cope with the warming seasons?

They suspect that polar bears rid themselves of many diseases and parasites as they migrated north and adopted a fat - based diet that is inhospitable to most parasitesâ $ ™ intermediate hosts.

Any impact on the populations of tiny crustaceans will affect other creatures higher up the food chain — cod, seals and polar bears — which need fat sources in their diet.

In the second paper, published in summer 2013 in the journal Ecology and Evolution, researchers used polar bear scat to show that the diet of at least some of the bears has shifted from what it was 40 years ago, before climate change was affecting the Hudson Bay lowlands.

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.

Biochemical diet tracers enable investigation of diet in species such as polar bears (Ursus maritimus).

We examined individual diet variation of female polar bears in Svalbard, Norway, and related it to year, season (spring and autumn), sampling area and breeding status (solitary, with cubs of the year or yearlings).

Defining how the terrestrial diet might have changed since the onset of rapid climate change is an important step in understanding how polar bears may be reacting to climate change.

Even though some polar bears are hunting on land more often in areas hit by shrinking Arctic sea ice, a diet of bird eggs and berries can't sustain these huge animals, a new study finds.

They provided alternate explanations for the decline of polar bear populations, such as stress from interactions with tourists, and suggested the bears could adapt to a warming climate by supplementing their diet with berries and vegetation.

Variation in winter diet of southern Beaufort Sea polar bears inferred from stable isotope analysis

Seals, which form an essential part of the polar bear diet, are also impacted by the reduction in sea ice.

Regarding the Greenland Shark's diet, Discovery states that, «Greenland shark stomachs have contained pieces of horses and polar bears.

The Atlantic Fisheries Regulations pursuant to the Fisheries Act go into some depth on the allowable methods of fishing for various types of sharks but there is no mention of the Greenland Shark, it is an unknown, and if this is a creature that eats caribou whole and includes polar bears in its diet, it might be a good idea to set down some regulations on how fishers interact with them.