Table 15.2a. Relative standard errors (%) of total tree volume on forest land by forest type, age class and boreal zone in Canada.
Boreal zone Forest type 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 Treed Mixedwood 7.6 4.5 3.9 4.0 4.8 12.0 10.9 17.9 23.5 38.5 31.5 0.0
Treed Coniferous 7.4 5.2 6.4 6.0 5.1 5.6 5.5 6.3 7.7 7.0 4.2 0.0
Treed Broadleaf 7.5 5.0 4.3 4.9 5.0 10.5 14.2 19.0 48.4 41.5 36.0 0.0
Non-treed 43.6 46.3 42.3 62.1 91.3 72.0 98.8 100.0 0.0 100.0 0.0 0.0
Boreal Treed Mixedwood 5.3 4.4 4.3 4.0 3.5 4.8 6.3 11.0 21.5 48.1 37.9 0.0
Treed Coniferous 4.9 3.1 2.6 2.3 2.1 2.2 2.2 4.1 8.0 12.8 9.6 0.0
Treed Broadleaf 6.6 5.3 5.5 4.4 4.5 6.4 14.6 22.3 47.7 59.9 67.9 0.0
Non-treed 23.4 30.1 41.5 39.6 33.4 43.3 36.6 36.2 70.9 0.0 0.0 0.0
Canada Treed Mixedwood 4.4 3.2 2.9 2.9 2.8 4.7 5.5 9.6 17.1 34.9 24.3 0.0
Treed Coniferous 4.2 2.6 2.6 2.3 2.0 2.1 2.1 3.5 5.5 6.2 4.0 0.0
Treed Broadleaf 5.1 3.7 3.5 3.4 3.4 5.5 11.9 16.9 36.6 34.1 33.6 0.0
Non-treed 25.7 26.5 33.8 38.2 33.2 43.2 36.6 36.1 70.9 100.0 0.0 0.0
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.