Table 14.2a. Relative standard errors (%) of area of forest land by species group, age class and boreal zone in Canada.
Boreal zone 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
Non-boreal Unclassified 63.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.8
Unspecified hardwoods 9.5 13.2 16.4 45.7 23.0 65.4 100.0 0.0 0.0 0.0 0.0 100.5
Other hardwoods 17.2 8.7 9.9 10.0 14.1 28.9 42.0 73.0 100.0 100.0 40.1 0.0
Maple 12.3 7.0 5.2 5.5 6.0 11.7 27.0 34.1 76.8 0.0 71.1 82.2
Birch 8.9 7.6 6.7 6.8 6.9 14.7 20.8 40.2 80.2 98.2 77.6 100.0
Poplar 8.2 5.6 5.4 6.5 8.5 14.6 13.6 21.6 41.2 37.3 43.6 0.0
Unspecified conifers 9.2 11.7 20.6 38.7 30.3 0.0 0.0 0.0 0.0 0.0 0.0 75.8
Cedar & other conifers 18.3 15.1 10.5 11.2 9.4 12.6 16.3 24.7 26.6 21.6 8.9 0.0
Larch 26.2 13.9 14.0 17.1 21.5 28.2 31.2 35.6 40.9 52.7 27.0 0.0
Douglas-fir 18.9 19.0 16.3 14.7 11.3 10.3 10.4 11.5 15.7 17.9 12.1 0.0
Hemlock 18.1 15.7 14.3 15.1 12.5 15.4 14.0 19.2 14.6 25.2 6.6 0.0
Fir 11.1 5.9 4.9 6.5 7.4 11.0 10.4 11.7 11.1 12.4 6.7 100.0
Pine 8.9 7.5 8.4 7.4 6.9 8.0 8.0 11.0 16.1 17.6 13.7 93.7
Spruce 7.4 6.3 5.0 4.6 5.0 7.0 7.0 8.5 10.2 11.1 7.9 50.4
Boreal Unclassified 69.7 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.1
Unspecified hardwoods 10.3 14.7 42.5 90.1 0.0 0.0 100.0 0.0 0.0 0.0 0.0 100.0
Other hardwoods 36.1 26.9 24.0 15.1 18.7 19.2 52.7 70.9 71.7 100.0 0.0 72.7
Maple 41.5 36.9 30.0 23.8 41.8 80.4 0.0 0.0 0.0 0.0 0.0 0.0
Birch 7.9 6.1 6.4 6.5 6.8 11.8 17.0 30.4 38.6 68.2 92.9 41.5
Poplar 5.3 4.5 4.6 3.6 3.9 5.2 9.9 17.9 29.2 44.3 48.2 44.9
Unspecified conifers 8.0 8.5 22.5 37.3 52.4 0.0 0.0 0.0 0.0 0.0 0.0 67.7
Cedar & other conifers 69.4 51.2 22.5 14.8 18.0 19.1 23.8 34.5 73.7 0.0 0.0 100.0
Larch 13.2 6.8 5.0 5.4 6.2 7.9 9.1 18.0 27.6 32.3 51.1 62.8
Fir 13.4 7.3 7.0 8.0 5.6 9.5 9.1 11.9 14.4 18.4 13.3 52.0
Pine 5.1 4.2 4.8 4.7 5.2 7.4 9.0 13.9 19.2 43.6 27.8 44.0
Spruce 6.1 3.2 2.4 2.1 1.9 2.0 2.0 3.9 7.6 15.7 9.8 20.0
Canada 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 7.1 9.8 15.8 45.0 23.0 65.4 80.0 0.0 0.0 0.0 0.0 80.0
Other hardwoods 16.0 8.5 9.2 8.9 11.6 17.1 32.9 51.4 66.3 85.1 40.1 72.7
Maple 12.0 6.9 5.1 5.3 5.9 11.7 27.0 34.1 76.8 0.0 71.1 82.2
Birch 6.5 4.8 4.7 4.7 4.9 9.2 13.2 25.1 34.8 57.8 72.6 39.6
Poplar 4.5 3.5 3.6 3.2 3.6 4.9 8.6 14.4 24.4 29.3 33.4 44.9
Unspecified conifers 6.4 7.1 16.2 27.4 26.2 0.0 0.0 0.0 0.0 0.0 0.0 60.7
Cedar & other conifers 18.0 14.7 9.8 9.6 8.4 10.5 13.6 20.5 25.1 21.6 8.9 100.0
Larch 12.2 6.5 4.7 5.2 5.9 7.6 9.3 16.7 23.0 28.6 24.1 62.8
Douglas-fir 18.9 19.0 16.3 14.7 11.3 10.3 10.4 11.5 15.7 17.9 12.1 0.0
Hemlock 18.1 15.7 14.3 15.1 12.5 15.4 14.0 19.2 14.6 25.2 6.6 0.0
Fir 8.7 4.7 4.2 5.2 4.5 7.3 7.0 8.4 8.8 10.4 6.0 49.9
Pine 4.4 3.7 4.2 4.0 4.2 5.4 6.0 8.7 12.3 16.4 12.5 41.1
Spruce 4.8 2.9 2.2 2.0 1.8 2.0 2.0 3.6 6.4 9.6 6.4 19.9
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 1, August 2021) (http://nfi.nfis.org)
Note: The Non-boreal zone in the Arctic ecozones (Arctic Cordillera, Northern Arctic, Southern Arctic) are not inventoried. The total land and water area amounts to approximately 252,202.08 thousand ha.
1 Missing or unknown age class.