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Polar bear ecoregions

By Coastal and Marine Hazards and Resources Program 2014 (approx.)
Map shows the ocean and continents with color blocks in the ocean and arrows to show different ice data.
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Detailed Description

Map of the four ecoregions that make up the polar bear's range, plus a depiction of seasonal patterns of ice motion and distribution.

Sources/Usage

Public Domain.

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The polar bear (Ursus maritimus) was listed as a globally threatened species under the U.S. Endangered Species Act (ESA) in 2008, mostly due to the significant threat to their future population viability from rapidly declining Arctic sea ice. A core mandate of the ESA is the development of a recovery plan that identifies steps to maintain viable populations of a listed species. A substantive evalu
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By
Ecosystems Mission Area, Alaska Science Center