Arctic fox breeding and density of svalbard ptarmigan. 2000 - 2012. Index (2000 = 1)

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Arctic fox breeding and density of svalbard ptarmigan. 2000 - 2012. Index (2000 = 1)
  Arctic fox. Adventdalen and Sassendalen. Portion of dens with pups Arctic fox. Kongsfjorden. Portion of dens with pups Svalbard ptarmigan. Density of territorial cocks in April. Number of cocks per square kilometre
2000 1.0 1.0 1.0
2001 0.3 0.6 1.1
2002 0.9 1.1 0.8
2003 0.2 0.5 1.3
2004 0.9 0.5 1.5
2005 0.7 0.1 1.5
2006 0.6 0.8 1.1
2007 0.2 0.6 1.2
2008 0.5 0.3 1.0
2009 0.8 0.4 0.6
2010 0.6 0.4 0.8
2011 0.5 0.3 0.6
2012 0.8 0.6 1.1

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