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Trends from the Breeding Bird Survey in : Scrub or Successional

To view annual indices of population change please click on a geographic area.

Area 1970–2009
♦ 1973–2009
+ 1986–2009
1970–1989
♦ 1973–1989
1989–2009 1999–2009
  Trend P N Trend P N Trend P N Trend P N
Canada - 0.6 * 827 - 0.9 * 464 - 0.6 * 770 - 0.5 n 708
Province and Territory
Yukon 1.8 * 27 2.0 * 27 6.2 * 24
♦ British Columbia - 0.4 123 - 0.6 68 - 1.0 * 117 - 0.9 103
♦ Alberta - 0.7 * 143 - 0.6 62 - 1.3 * 138 - 0.5 127
♦ Saskatchewan - 0.9 n 76 - 0.4 48 - 1.8 * 62 - 2.1 56
♦ Manitoba 0.2 67 - 1.5 36 - 0.1 67 - 0.5 67
Ontario - 0.4 153 - 0.9 n 80 - 0.2 144 0.5 137
Quebec - 0.4 124 - 0.2 68 0.0 111 0.0 97
New Brunswick - 1.0 * 37 - 1.7 * 29 - 0.2 33 0.5 31
Nova Scotia - 0.8 32 - 1.6 23 - 0.5 32 - 0.7 29
Bird Conservation Regions (BCR) 1970–2009
♦ 1973–2009
+ 1986–2009
1970–1989
♦ 1973–1989
1989–2009 1999–2009
Trend P N Trend P N Trend P N Trend P N
Northwestern Interior Forest 1.8 * 31 2.0 * 31 5.6 * 27
♦ Northern Pacific Rainforest - 1.4 * 37 - 1.9 * 22 - 1.4 n 35 - 0.4 30
♦ Boreal Taiga Plains - 1.3 * 114 - 1.4 51 - 1.6 * 105 - 1.0 n 97
Boreal Softwood Shield - 1.0 * 68 - 1.1 46 - 1.6 n 62 - 1.7 54
♦ Great Basin 0.2 26 0.0 25 1.8 * 23
♦ Northern Rockies 0.5 66 0.5 35 - 0.7 n 65 - 0.9 59
♦ Prairie Potholes - 0.1 155 - 0.3 87 - 0.7 142 - 1.2 134
Boreal Hardwood Transition - 0.7 * 129 - 1.2 n 65 - 0.3 119 0.8 109
Lower Great Lakes/ St. Lawrence Plain 0.1 79 0.2 43 0.2 76 0.2 74
Atlantic Northern Forest - 0.7 * 109 - 1.4 * 75 - 0.2 102 - 0.2 95

Annual indices of population change for the Scrub or Successional in Canada based on Breeding Bird Survey data (1970 - 2009)

View index table
Year Index Value
1970 120.870
1971 131.388
1972 128.037
1973 124.167
1974 125.370
1975 128.622
1976 127.345
1977 120.544
1978 113.328
1979 112.574
1980 117.487
1981 108.792
1982 111.694
1983 116.613
1984 116.304
1985 111.370
1986 108.943
1987 116.889
1988 107.155
1989 105.179
1990 109.475
1991 108.417
1992 113.756
1993 116.317
1994 111.796
1995 115.814
1996 107.475
1997 109.462
1998 112.682
1999 107.329
2000 103.245
2001 102.684
2002 100.198
2003 105.760
2004 96.763
2005 97.734
2006 100.338
2007 106.460
2008 100.820
2009 98.107

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