Franšais

 

Indicators of the average population status of characteristic species (Southern Shield and Maritimes)

Line graph depicting the percent change in population size of various bird guilds in the Southern Shield and Maritimes since 1970
Indicators of the average population status of characteristic species (Southern Shield and Maritimes)
Year All birds Other water birds Waterfowl Forest birds Shrub and forest-edge birds Aerial insectivores
1970 0 0 0 0 0 0
1971 3 -1.1 8.6 2.9 2.3 4.1
1972 2.8 -2.9 4.3 4.8 4 0.9
1973 3.2 -3.3 1.5 5.9 2.5 -2.3
1974 5.5 -2.5 14 8.3 3.6 -3.7
1975 1.6 -6.5 6.8 4.9 -2.2 -15.2
1976 -1 -10.7 9.3 0.9 -3.3 -14.8
1977 -3.3 -13.3 7.3 -1.2 -3.5 -20.1
1978 -4.6 -10.8 12.8 -3.9 -7.3 -21.5
1979 -3.9 -11.2 15.3 -3.3 -8.9 -24.2
1980 -1 -9.2 17.4 -0.2 -8.3 -23.5
1981 -3 -9.6 19.2 -3.5 -9.3 -25.6
1982 -4.5 -11.3 19.3 -4.4 -11.3 -27.9
1983 0.7 -7.8 28.7 2.1 -8 -26.5
1984 -4 -8.6 25.9 -4.8 -11 -32.4
1985 -2.4 -9.8 27.9 -3.4 -8.4 -30.3
1986 -1.8 -8.9 32.2 -1.7 -10.3 -32.1
1987 -4 -10.1 32.7 -4.6 -12.6 -35.1
1988 -4.3 -9.8 40.5 -4.4 -16.2 -35.7
1989 -4.9 -12.2 40.3 -4.6 -15.4 -38.2
1990 -4.9 -12 54.8 -3.5 -16.4 -41.8
1991 -6 -15.8 69.1 -5.3 -18.3 -42.8
1992 -6.6 -16.2 53.4 -6.1 -16 -45.4
1993 -7.3 -18.7 43 -5.2 -17.3 -46.2
1994 -9.7 -17.5 46.5 -9.1 -19.3 -48.5
1995 -4.4 -13.4 42.5 -0.5 -17.8 -48.6
1996 -7.2 -14.5 69.6 -7.2 -21.1 -50.1
1997 -6.9 -13.2 71.1 -7 -17.9 -49.9
1998 -9 -12.6 54.2 -8 -22 -52.7
1999 -6.5 -13.2 74.2 -6.1 -21 -54.8
2000 -8.7 -15.5 83.5 -10 -22.5 -54.5
2001 -10 -14.4 71.3 -9.9 -23.1 -55.7
2002 -9.2 -16.5 98.7 -10.9 -22 -58.7
2003 -12.1 -18.9 84.1 -14 -22 -57.9
2004 -11.9 -20 98 -12.8 -23.3 -60.5
2005 -14 -23.3 81.6 -13.8 -22.8 -63.4
2006 -14.1 -21.2 86 -15 -25.9 -63.8
2007 -10.6 -19.4 107.3 -12.3 -21.8 -63
2008 -13.9 -20.8 97.6 -15.5 -27.1 -66.2
2009 -14.1 -19.9 85.2 -15 -26.7 -66.2
2010 -13.1 -22.1 69.4 -10.3 -26.9 -67.8

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