Murre colonies and human activities
Alaska (USA)
I
CANADA
RUSSIAN FEDERATION
II
Thousands birds Colony size Greenland 100 to 1 000
10 to 100 1 to 10 Up to 1
SWEDEN NORWAY
Sources: AMAP Assessment Acidifying Pollutants, Arctic Haze, and Acidification in the Arctic, 2006 (Murre colony data from CAFF); Irons, D., I., et al., Fluctuations in circumpolar seabird populations linked to climate oscillations, Global Change Biology 14, 2008; BBC, CBC and Reuters Press Review.
Common Murre Thick-billed Murre
Human activities
North West Passage Northern Sea Route
Actual navigation routes
Main oil and gas extracting regions Fishing areas
UK
Oil spills due to ship accident in the last 25 years
RELEVANCE OF MULTI-LATERAL ENVIRONMENTAL AGREEMENTS 59