As sea ice levels continue to decline in the northern hemisphere, - TopicsExpress



          

As sea ice levels continue to decline in the northern hemisphere, scientists are observing an unsettling trend in harp seal young mortalities regardless of juvenile fitness. While a recent study found that in harp seal breeding regions ice cover decreased by up to 6% a decade from 1979 on, a follow-up study in PLoS ONE compared the rate of harp seal strandings to total ice cover from 1992 to 2010. The data showed a direct relationship between the two, with seal pup strandings rising sharply as ice cover was reduced. enn/ecosystems/article/46338
Posted on: Wed, 21 Aug 2013 00:05:28 +0000

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