Table 5.2a. Relative standard errors (%) of area of forest land by forest type, age class and boreal zone in Canada.
Boreal zone Forest type 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 Non-treed 30.96 52.59 55.98 75.99 73.72 57.90 92.04 100.00 - 100.00 - 4.87 4.83
Treed Broadleaf 6.28 4.57 4.03 4.50 4.71 9.69 13.62 17.77 52.91 40.61 33.88 - 2.03
Treed Mixedwood 5.25 4.09 3.48 3.67 4.30 8.03 9.40 15.55 24.35 39.94 23.93 - 1.73
Treed Coniferous 4.85 4.07 4.06 3.84 4.03 4.68 4.35 5.22 5.92 6.64 3.36 - 1.38
Subtotal 3.23 2.54 2.24 2.32 2.52 3.74 3.90 4.86 5.78 6.52 3.35 4.87 0.96
Boreal Non-treed 24.45 24.14 24.85 23.34 22.11 21.91 42.85 61.56 97.87 100.00 100.00 3.13 2.98
Treed Broadleaf 5.13 4.52 4.58 4.05 4.22 5.10 12.40 19.71 34.45 50.88 68.05 - 1.84
Treed Mixedwood 4.47 3.77 4.01 3.52 3.80 3.84 4.81 11.83 20.25 35.57 44.72 - 1.50
Treed Coniferous 3.85 2.56 2.15 1.93 1.89 1.90 1.90 3.24 6.73 11.63 7.02 76.74 0.78
Subtotal 2.56 1.99 1.78 1.57 1.58 1.66 1.79 3.11 6.39 10.93 6.93 3.13 0.64
Canada Non-treed 21.97 23.42 23.62 22.37 22.08 21.79 42.70 57.81 97.87 95.79 100.00 2.65 2.55
Treed Broadleaf 4.10 3.23 3.08 3.04 3.16 4.51 10.11 14.74 29.39 32.02 30.80 - 1.38
Treed Mixedwood 3.51 2.84 2.68 2.60 2.88 3.47 4.31 9.44 16.40 27.32 29.39 - 1.15
Treed Coniferous 3.04 2.20 1.94 1.75 1.72 1.79 1.76 2.79 4.55 5.77 3.04 76.74 0.68
Subtotal 2.03 1.61 1.44 1.32 1.35 1.54 1.65 2.67 4.38 5.60 3.02 2.65 0.54
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.