Table 14.0a. Relative standard errors (%) of area of forest land by species group and age class in Canada.
Species group Age (years)
1-20 21-40 41-60 61-80 81-100 101-120 121-140 141-160 161-180 181-200 201+ Other1
Unclassified 13.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.4
Unspecified hardwoods 7.3 16.8 26.5 47.4 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 8.9 10.4 8.1 9.0 15.4 17.7 31.6 67.9 59.6 0.0 0.0 0.0
Maple 9.3 6.8 4.7 5.7 6.9 13.3 16.7 28.3 59.9 100.0 85.1 0.0
Birch 9.4 6.9 4.5 4.5 5.4 10.1 20.5 65.8 59.6 88.8 100.0 0.0
Poplar 5.9 4.8 3.5 2.9 3.5 6.3 9.9 19.4 27.8 54.5 48.3 0.0
Unspecified conifers 5.1 8.2 20.7 63.1 75.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 27.3 13.1 9.5 9.4 9.8 12.9 17.7 21.0 28.5 35.5 8.3 0.0
Larch 10.8 10.6 8.7 7.8 9.0 10.7 11.9 17.7 30.2 33.4 29.5 0.0
Douglas-fir 31.5 15.1 15.9 11.4 12.4 9.4 11.4 11.9 14.7 19.3 11.3 0.0
Hemlock 38.3 16.4 15.4 15.7 14.8 16.8 24.4 17.5 20.4 20.5 5.9 0.0
Fir 7.7 5.2 4.8 5.2 5.6 7.2 9.2 9.3 9.7 11.0 5.4 0.0
Pine 5.7 5.7 5.2 4.1 4.1 5.3 6.3 8.1 11.5 14.8 13.4 0.0
Spruce 5.6 4.0 2.8 2.2 1.3 1.6 2.5 5.3 7.1 10.4 6.1 0.0
Source: Canada's National Forest Inventory, revised 2006 baseline (Version 3, December 2013) (http://nfi.nfis.org)
Note: The Arctic ecozones (Arctic Cordillera, Northern Arctic, Southern Arctic), and the Taiga Plains and Hudson Plains ecozones located in Nunavut, are not inventoried. The total area amounts to 262,189.89 thousand ha.
1 Missing or unknown age class.