Table 5.0a. Relative standard errors (%) of area of forest land by forest type and age class in Canada.
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-treed 21.94 23.37 23.53 22.35 22.10 21.74 42.73 57.88 97.89 95.83 100.00 2.59 2.50
Treed Broadleaf 4.07 3.18 3.09 3.04 3.21 4.78 9.99 14.66 29.47 31.82 30.88 - 1.39
Treed Mixedwood 3.44 2.78 2.68 2.54 2.85 3.32 4.41 9.42 16.34 27.31 29.15 - 1.13
Treed Coniferous 3.00 2.15 1.90 1.71 1.70 1.65 1.70 2.54 4.53 5.70 2.89 - 0.65
Subtotal 2.00 1.57 1.43 1.30 1.34 1.43 1.60 2.44 4.36 5.53 2.87 2.59 0.52
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 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.