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Fifteen years after polar bears were listed as threatened, a new study says researchers have overcome a roadblock in the Endangered Species Act that prevented the federal government from ...
The key danger for polar bears posed by the effects of climate change is malnutrition or starvation due to habitat loss.Polar bears hunt seals from a platform of sea ice. Rising temperatures cause the sea ice to melt earlier in the year, driving the bears to shore before they have built sufficient fat reserves to survive the period of scarce food in the late summer and early fall.
Experts are working with communities in the Arctic to be “bear safe” as polar bears are forced to spend more time on land as a result of climate change. Polar Bears International said it is ...
As a result, the diet is less nutritional, which leads to reduced body size and reproduction, thus indicating population decline in polar bears. [92] The Arctic refuge is where polar bears main habitat is to den and the melting arctic sea ice is causing a loss of species. There are only about 900 bears in the Arctic refuge national conservation ...
Thanks to climate change, polar bears are not getting enough to eat. Scientists from Washington State University and the U.S. Geological Survey equipped 20 polar bears in northern Canada with ...
Stirling I, Lunn NJ, Iacozza J (1999) Long-term trends in the population ecology of polar bears in western Hudson Bay in relation to climatic change. Arctic 52, 294–306. Stirling I, Parkinson CL (2006) Possible effects of climate warming on selected populations of polar bears (Ursus maritimus) in the Canadian Arctic. Arctic 59, 261–275.