These Polar Bears Had A Tough Decade

November 18, 2014 9:33 PM

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A new study shows a marked decrease in the number of polar bears in the Arctic’s southern Beaufort Sea during the 2000s, a period when summer sea ice was also declining. Scientists estimate the population of polar bears in the area north of Alaska and northern Canada declined by about 40 percent from 2001 to 2010.

By tagging and recapturing polar bears over the years, researchers were able to estimate the changes in population size over the decade. Jeffrey Bromaghin, a research statistician for the United States Geological Survey and lead author of the study, told The Huffington Post it's likely that loss of ...

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