Conservation Biology Final

Conservation Biology Final - POLAR BEARS TA Soyun Kim...

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POLAR BEARS TA: Soyun Kim
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Topics Discussed I. Polar Bear Basics II. Global Warming Affecting Polar Bears III. Habitat Conservation IV. Conservation Strategies V. Wildlife Population Control
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Polar Bear ( Ursus maritimus) Basics Northern Hemisphere Canada, Greenland, Norway, the United States, and Russia Principal habitat sea-ice, they are classified as marine mammals; Range limited to areas in which the sea is ice covered for much of the year Apex of Marine Food Chain
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Global Warming is Affecting Polar Bears Global Warming is Affecting Polar Bears
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Global Warming is Melting Sea Ice! Evidence: Sea ice in Norway has declined almost 3% each decade for past 25 years in recent years the shallow waters over the Alaskan continental shelf unavailable important foraging habitat for bears Glaciers melting Arctic and Antarctic warming reductions in sea-ice cover in Arctic Polar basin and seasonal ice in Hudson Bay changes
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Global Warming’s Effect on Polar Bears climate warming declines in sea ice altered habitat POLAR BEARS LIVE ON SEA ICE expected over next 45 yrs 25,000 17,500 forecast 2/3 of world’s Polar bears will disappear mid century
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This note was uploaded on 02/27/2008 for the course BISC 120Lg taught by Professor 11:00-01:50pm during the Fall '06 term at USC.

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Conservation Biology Final - POLAR BEARS TA Soyun Kim...

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