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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. WildlifePopulation Control
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Polar Bear ( Ursus maritimus) Basics Northern Hemisphere Canada, Greenland, Norway, theUnited States, and Russia Principal habitat sea-ice, they are classified as marinemammals; Rangelimited to areas in which the sea is icecovered for much of the year Apex of MarineFood 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 icein Norway has declined almost 3% each decadefor past 25 years in recent years theshallow 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 icein Hudson Bay changes
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Global Warming’s Effect on Polar Bears climatewarming 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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