Black-throated Blue Warbler: frequency of occurance by ecological region in s. Quebec. From Gauthier and Aubry 1996

Ecological regions**(forest regions)
Adequately covered squares
Squares in which reported
% of squares in which reported
Relative abundance (%)*
1. Sugar maple-hickory and sugar maple-basswood
97
40
41.2 ± 4.9
43.1
2. Sugar maple-basswood
153
103
67.3 ± 3.9
70.3
3. Sugar maple-basswood and sugar maple-yellow birch
101
87
86.1 ± 4.2
89.9
4. Sugar maple-yellow birch-basswood
56
53
94.6 ± 5.6
98.8
5. Sugar maple-yellow birch-beechand sugar maple-yellow birch-basswood
113
104
92.0 ± 3.0
96.1
6. Sugar maple-yellow birch-beech
71
68
95.8 ± 4.7
100.0
7. Sugar maple-yellow birch-balsam fir
19
17
89.5 ± 15.5
93.4
8. Sugar maple-yellow birchand balsam fir-yellow birch
47
43
91.5 ± 7.6
95.5
9. Balsam fir-yellow birch
87
53
60.9 ± 9.5
63.6
10. Balsam fir-white-birch or balsam fir-red maple
46
26
56.5 ± 12.4
59.0
11. Yellow birch-balsam fir
52
37
71.2 ± 12.8
74.3
12. Balsam fir-white birch (west)
59
25
42.4 ± 12.9
44.2
13. Balsam fir-white birch (east)
76
28
36.8 ± 10.6
38.5
14. Balsam fir-black spruce
28
3
10.7 ± 12.6
11.2
15. White spruce-balsam firand balsam fir-white spruce
22
1
4.5 ± 10.3
4.7
16. Black spruce-balsam fir-moss
18
4
22.2 ± 22.2
23.2
17. Black spruce-moss
32
0
0
0