Polar bear sub-populations and pollution
USA
I Chukchi Sea
Southern Beaufort Sea
RUSSIAN FEDERATION
Northern Beaufort Sea
CANADA Gulf of Boothia Western Hudson Bay
McClintock Channel Lancaster Sound
Viscount Melville Bay
Laptev Sea Arctic Ocean
II
Norwegian Bay Kara Sea
Southern Hudson Bay
Kane Basin Foxe Basin
PCB concentration in blood and/or fat samples Micrograms per each gram of lipid weight
Baffin Bay Barents Sea Davis Strait East Greenland
Blood and/or Fat 0 to 2 0 to 10 2 to 4
10 to 20
4 to 6
20 to 30
6 to 8
30 to 40 No data
Population estimates Thousands
NORWAY
2,5 to 3,0 0,5 to 1,5 less 0,2
Unknown Sources: AMAP Assessment 2002. Persistent Organic Pollutants in the Arctic; IUCN/SSC Polar Bear Specialist Group, 2009.
Population trends Decrease Unknown
Stable Increase
RELEVANCE OF MULTI-LATERAL ENVIRONMENTAL AGREEMENTS
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