Area of forest disturbed by balsam fir sawfly (thousand hectares), 1999-2011
Year
Area of forest disturbed by balsam fir sawfly
1999
18.4
2000
41.5
2001
47.8
2002
68.7
2003
49.8
2004
39.4
2005
57.3
2006
67.2
2007
39.4
2008
39.4
2009
8.9
2010
51.3
2011
58.6
Sources: National Forestry Database and Canadian Forest Service.
Historical data