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) Total
1-20 21-40 41-60 61-80 81-100 101-120 121-140 141-160 161-180 181-200 201+ Other1
Non-boreal Larch 22.69 14.06 13.77 17.00 20.07 27.01 32.87 34.35 39.06 47.21 25.68 - 7.52
Unspecified hardwoods 9.45 13.21 16.49 44.89 23.01 65.45 100.00 - - - - 100.51 6.74
Unspecified conifers 9.36 11.32 20.57 39.38 28.99 - - - - - - 75.80 6.69
Other hardwoods 18.02 9.12 10.15 9.75 13.37 26.39 39.41 66.48 100.00 100.00 38.79 - 5.05
Cedar & other conifers 18.24 14.97 11.37 10.66 9.34 12.10 16.57 23.79 25.25 21.26 8.62 - 5.26
Unclassified 30.88 26.03 81.14 80.40 100.56 100.56 - - - - - 4.88 4.78
Douglas-fir 16.78 17.80 15.07 13.41 10.51 9.60 9.76 10.56 14.90 16.64 11.39 - 3.81
Birch 8.88 7.52 6.65 6.70 6.88 14.53 19.56 38.00 68.49 83.36 77.60 - 3.20
Hemlock 17.92 15.57 14.09 14.89 12.45 15.17 13.88 18.93 14.15 24.61 6.48 - 4.39
Poplar 8.19 5.64 5.34 6.43 8.39 13.77 14.10 21.36 41.14 39.92 36.99 - 2.78
Maple 12.39 7.09 5.26 5.48 5.85 11.46 25.03 34.14 76.79 - 71.11 100.51 2.80
Fir 10.94 5.76 4.86 6.42 7.20 10.65 10.02 11.34 10.59 12.14 6.54 - 2.55
Pine 8.00 7.09 8.21 7.45 6.83 7.98 7.71 10.80 15.78 17.15 12.99 - 2.66
Spruce 7.29 6.08 5.04 4.56 4.94 6.94 7.08 8.17 9.82 10.69 7.51 99.95 2.01
Subtotal 3.18 2.44 2.15 2.29 2.48 3.57 3.77 4.68 5.58 6.32 3.31 4.87 0.94
Boreal Other hardwoods 35.73 32.09 23.15 16.83 19.09 19.36 52.73 66.36 85.71 100.00 - 72.74 9.19
Cedar & other conifers 69.43 51.21 22.49 14.82 17.95 19.12 23.84 32.00 73.69 - - - 8.50
Maple 41.54 36.94 29.17 24.40 41.81 80.37 - - - - - - 15.54
Unspecified hardwoods 10.37 14.78 42.50 90.07 - - 100.00 - - - - - 8.74
Unspecified conifers 7.96 8.50 22.47 37.30 52.53 - - - - - - 100.00 5.62
Birch 7.83 6.02 6.33 6.41 6.97 9.56 17.10 28.10 38.56 68.18 92.91 62.57 2.85
Larch 13.01 6.69 4.84 5.42 6.18 7.72 9.03 17.54 29.08 31.66 49.67 62.81 2.50
Fir 14.02 7.03 6.59 7.39 5.59 9.72 8.76 11.71 14.20 18.09 10.63 61.25 2.66
Unclassified 56.30 40.33 59.29 79.43 71.29 99.99 98.64 99.99 99.99 - - 3.15 3.14
Pine 5.13 4.06 4.85 4.62 5.14 6.97 8.58 13.08 17.67 41.92 25.99 70.15 1.93
Poplar 5.27 4.46 4.51 3.72 3.83 5.14 9.84 17.42 29.06 44.26 48.25 74.69 1.76
Spruce 5.96 3.14 2.39 2.06 2.03 1.90 1.95 3.40 7.47 15.15 9.17 32.51 0.85
Subtotal 2.59 1.87 1.71 1.54 1.55 1.68 1.82 3.08 5.98 10.74 6.68 3.13 0.64
Canada Other hardwoods 16.95 9.07 9.33 9.01 11.17 16.48 31.57 47.66 77.76 85.05 38.79 72.74 4.46
Unspecified hardwoods 7.11 9.86 15.85 44.24 23.01 65.45 80.01 - - - - 100.51 5.45
Cedar & other conifers 17.94 14.56 10.58 9.22 8.29 10.24 13.70 19.42 23.96 21.26 8.62 - 4.90
Unspecified conifers 6.38 7.06 16.18 27.66 25.43 - - - - - - 60.42 4.52
Douglas-fir 16.78 17.80 15.07 13.41 10.51 9.60 9.76 10.56 14.90 16.64 11.39 - 3.81
Hemlock 17.92 15.57 14.09 14.89 12.45 15.17 13.88 18.93 14.15 24.61 6.48 - 4.39
Maple 12.12 7.00 5.21 5.36 5.80 11.44 25.03 34.14 76.79 - 71.11 100.51 2.76
Larch 11.74 6.34 4.61 5.18 5.91 7.45 9.24 16.04 23.58 27.02 22.91 62.81 2.37
Birch 6.41 4.70 4.63 4.65 4.95 7.99 12.94 26.30 33.62 55.63 72.67 62.57 2.13
Unclassified 39.57 22.75 47.87 58.36 58.46 79.99 98.64 99.99 99.99 - - 2.66 2.64
Fir 8.63 4.56 4.11 4.95 4.46 7.31 6.65 8.16 8.52 10.22 5.57 61.25 1.84
Poplar 4.51 3.53 3.61 3.30 3.51 4.82 8.54 14.11 24.37 29.65 30.21 74.69 1.52
Pine 4.33 3.55 4.25 3.94 4.15 5.25 5.79 8.36 11.77 15.88 11.81 70.15 1.57
Spruce 4.71 2.83 2.21 1.92 1.92 1.87 1.90 3.22 6.26 9.28 6.03 32.48 0.80
Subtotal 2.04 1.52 1.38 1.30 1.33 1.55 1.67 2.63 4.14 5.45 2.97 2.65 0.53
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data< (Version 3, November 2023) (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.