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 63.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.6
Unspecified hardwoods 7.0 9.8 15.7 44.9 23.2 65.6 80.2 0.0 0.0 0.0 0.0 80.0
Other hardwoods 16.1 8.5 9.2 8.8 11.7 17.1 32.7 51.5 66.3 85.6 39.9 72.7
Maple 12.0 7.0 5.3 5.5 6.2 11.8 27.2 34.2 76.9 0.0 71.5 82.2
Birch 6.4 4.7 4.6 4.7 5.0 10.6 13.2 25.3 34.7 57.8 72.1 39.5
Poplar 4.5 3.4 3.6 3.2 3.6 4.8 8.5 14.3 24.4 29.2 33.4 45.0
Unspecified conifers 6.2 7.0 16.1 27.4 26.3 0.0 0.0 0.0 0.0 0.0 0.0 60.6
Cedar & other conifers 18.1 14.6 9.8 9.6 8.4 10.4 13.6 20.7 25.0 21.5 8.3 100.0
Larch 12.2 6.4 4.7 5.2 5.9 7.6 9.2 16.7 23.0 28.5 24.0 62.7
Douglas-fir 18.9 19.3 16.4 14.9 11.2 10.3 10.4 11.5 15.7 17.9 12.2 0.0
Hemlock 17.9 15.3 14.0 15.0 12.5 15.3 13.8 19.1 14.3 24.4 5.8 0.0
Fir 8.7 4.6 4.1 4.9 4.4 7.2 6.9 8.3 8.8 10.4 5.9 48.3
Pine 4.4 3.6 4.2 3.9 4.1 5.4 5.9 8.6 12.3 16.3 12.4 41.2
Spruce 4.8 2.9 2.2 1.9 1.8 1.9 1.9 3.5 6.4 9.4 6.3 20.0
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 1, July 2021) (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. These non-inventoried areas total 262,189.89 thousand ha.
1 Missing or unknown age class.