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| Keywords: Polar Bear Habitat.png Projected changes based on 10 IPCC AR-4 GCM models run with the SRES- A1B forcing scenario in the spatial distribution and integrated annual area of optimal polar bear habitat Base map shows the cumulative number of months per decade where optimal polar bear habitat was either lost red or gained blue from 2001 “2010 to 2041 “2050 Offshore gray shading denotes areas where optimal habitat was absent in both periods Insets show the average annual 12 months cumulative area of optimal habitat right y-axis line plot for four 10-year periods in the 21st century x-axis midpoints and their associated percent change in area left y axis histograms relative to the first decade 2001 “2010 http //www usgs gov/newsroom/special/polar_bears/docs/USGS_PolarBear_Durner_Habitat_highres pdf Predicting The Future Distribution of Polar Bear Habitat in the Polar Basin from Resource Selection Functions Applied to 21<sup>st</sup> Century General Circulation Model Projections of Sea Ice USGS PD-USGov Global warming maps Maps of the Arctic Ocean Sea ice Ursus maritimus distribution maps | ||||
