Polar Bear Aerial Survey in the Eastern Chukchi Sea: A Pilot Study

Alaska has two polar bear populations: the Southern Beaufort Sea population, shared with Canada, and the Chukchi/Bering Seas population, shared with Russia. Currently a reliable population estimate for the Chukchi/Bering Seas population does not exist. Land-based aerial and mark-recapture population...

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Veröffentlicht in:	Arctic 2003-12, Vol.56 (4), p.359-366
Hauptverfasser:	Evans, Thomas J., Fischbach, Anthony, Schliebe, Scott, Manly, Bryan, Kalxdorff, Susanne, York, Geoff
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerial surveying Aerial surveys Aircraft Animal populations Aquatic mammals Density estimation Environmental aspects Helicopters Ice Icebreakers Mammal populations Marine mammals Measurement Methods Observation aircraft Observations Polar bear Polar bears Population decline Population estimates Sea ice Seas Severe weather Sustainable harvest Weather conditions Wildlife Wildlife management
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