Any forested area may be defoliated by more than one insect. Therefore, there can be considerable overlap in the reported figures. The area within which there is moderate to severe defoliation can also include roads, cultivated areas, small lakes or burned areas.
Source: National Forestry Database.
Updated: 2013-01-28
Symbols Used
...
Figures not appropriate or not applicable
..
Figures not available
--
Amount too small to be expressed
-
Nil or zero
p
Preliminary figures
r
Revised figures
e
Estimated by provincial or territorial forestry agency
E
Estimated by the Canadian Forest Service or by Statistics Canada