Polar bear sub-populations and pollution

USA Chukchi Sea

Southern Beaufort Sea

CANADA

Gulf of Boothia

Hudson Bay

Southern Hudson Bay

Western

McClintock Channel

Beaufort Sea

Lancaster Sound

Viscount Melville Bay

Kane Basin Norwegian

Bay Kara Sea Foxe Basin Baffin Bay Barents Sea Davis Strait East Greenland

PCB concentration in blood and/or fat samples

Blood and/or Fat Micrograms per each

gram of lipid weight

2 to 4 0 to 2

4 to 6 6 to 8

0 to 10 10 to 20

20 to 30 30 to 40 No data

Population estimates Thousands

2,5 to 3,0 NORWAY

Sources: AMAP Assessment 2002. Persistent Organic Pollutants in the Arctic; IUCN/SSC Polar Bear Specialist Group, 2009.

0,5 to 1,5 less 0,2

Unknown

Population trends Decrease Unknown

Stable Increase

RELEVANCE OF MULTI-LATERAL ENVIRONMENTAL AGREEMENTS 73

Arctic Ocean

II Northern Laptev Sea RUSSIAN FEDERATION

I