Some Things You Know and Don't Know about Polar Bears

Written by SPPI


October 20, 2008
Dr. Crockford begins with a summary followed by the introduction to her study.  Full report with illustrations, footnotes and references are linked following this summary.
by Dr. Susan Crockford
Summary for Policy Makers

  • All but one of the declining subpopulations listed in 2006 are threatened by over-harvesting, not reduced sea ice.

  • dwelling individuals of both sexes are known in all subpopulations studied and each type behaves differently to reduced seasonal ice.

    Continue to full report PDF (2mb)

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