Franšais

 

Indicators of the average population status of characteristic species (Eastern Boreal)

Line graph depicting the percent change in population size of various bird guilds in the Eastern Boreal since 1970
Indicators of the average population status of characteristic species (Eastern Boreal)
Year All birds Other water birds Waterfowl Forest birds Shrub and forest-edge birds
1970 0 0 0 0 0
1971 1.8 0.6 -3.6 2.1 3.9
1972 -1.7 -0.2 -2.3 -1.3 -1
1973 -1.1 0.9 -3.9 0.4 -2.6
1974 -0.6 -1.8 -6.1 0.6 -3.1
1975 -0.2 -4.8 -7.5 2.2 -2.4
1976 -1.3 -5.1 1.6 0.2 -5.9
1977 -4.1 -7.4 0.4 -2.8 -7.2
1978 -6.3 -4.5 -3.8 -5.8 -8.6
1979 -5.2 -9.2 -6.9 -2.8 -10.2
1980 -5.1 -5.2 -4.9 -1.9 -11.6
1981 -5.9 -6.2 -4.6 -2.9 -13.2
1982 -6 -6 -3.5 -3.5 -12.7
1983 -5.2 -4.4 -6.7 -2.3 -9.5
1984 -6.6 -7.7 0.7 -2.7 -12.2
1985 -6.7 -7 -7.6 -2.3 -13.9
1986 -7.8 -7.9 -2 -3.3 -15
1987 -6.1 -7.1 -6.2 0.5 -14.2
1988 -7.2 -11.1 -6.2 1 -16.8
1989 -6.5 -9.5 -6.7 2.1 -17.5
1990 -7.3 -9.3 -6.2 1.2 -18.7
1991 -7.6 -10.9 7.8 -0.5 -20.3
1992 -8.5 -10.4 -5.2 -0.4 -19.6
1993 -7.3 -10.7 -9.4 4.1 -18.2
1994 -9.2 -12.1 -13.1 2.8 -20
1995 -8 -9.2 -17.7 5 -20.1
1996 -9.2 -11.3 3 -0.5 -19.9
1997 -8.3 -13.5 5.2 3.3 -20.6
1998 -7.1 -8.2 -4.6 4.3 -21.3
1999 -8 -10.1 7.9 4 -25.5
2000 -7.9 -10.6 10.8 2.4 -24.9
2001 -7 -6.9 3.4 5.5 -24.9
2002 -6.5 -9.5 17.3 3.5 -25.1
2003 -7.9 -5.2 9.5 1.4 -26
2004 -8.2 -8.2 19.7 0.6 -26
2005 -8.6 -9.4 6.4 3.3 -25.1
2006 -8.9 -5.1 8.6 2.6 -24
2007 -5.4 -4.3 30.1 4.6 -24.3
2008 -9.1 -2.6 20.3 1.5 -25.4
2009 -9.2 -1.9 11.1 5 -26.9
2010 -11.2 4.9 3.6 1.7 -28.3

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