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Linking climate trends to population dynamics in the Baltic ringed seal: impacts of historical and future winter temperatures. | LitMetric

AI Article Synopsis

Article Abstract

A global trend of a warming climate may seriously affect species dependent on sea ice. We investigated the impact of climate on the Baltic ringed seals (Phoca hispida botnica), using historical and future climatological time series. Availability of suitable breeding ice is known to affect pup survival. We used detailed information on how winter temperatures affect the extent of breeding ice and a climatological model (RCA3) to project the expected effects on the Baltic ringed seal population. The population comprises of three sub-populations, and our simulations suggest that all of them will experience severely hampered growth rates during the coming 90 years. The projected 30, 730 seals at the end of the twenty-first century constitutes only 16 % of the historical population size, and thus reduced ice cover alone will severely limit their growth rate. This adds burden to a species already haunted by other anthropogenic impacts.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3492554PMC
http://dx.doi.org/10.1007/s13280-012-0334-xDOI Listing

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