*a Trees that suffer moderate to severe defoliation are those on which 30% or more of the current foliage has been removed.
Estimated by provincial or territorial forestry agency
Figures are not available and are known to be large relative to the total for the province
Figures are not available and are known to be very small relative to the total for the province
Figures not appropriate or not applicable
Amount too small to be expressed
Estimated by Statistics Canada or the Canadian Forest Service