Table 18.2a. Relative standard errors (%) of total above-ground biomass on 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 29.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0
Unspecified hardwoods 9.3 30.4 30.5 60.6 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 11.7 11.7 10.9 10.6 22.2 32.6 38.9 100.0 0.0 0.0 0.0 0.0
Maple 11.3 8.3 5.0 6.0 6.8 13.9 17.2 27.7 61.0 100.0 85.0 0.0
Birch 15.4 9.0 6.4 6.7 6.8 17.0 23.3 73.1 92.9 90.5 100.0 0.0
Poplar 10.7 8.5 6.4 6.1 8.4 15.5 19.8 24.6 30.8 75.3 50.7 0.0
Unspecified conifers 7.6 15.3 76.9 85.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 41.0 14.6 12.9 10.0 13.1 14.5 37.0 37.1 33.9 34.9 8.9 0.0
Larch 25.5 18.6 21.0 24.3 24.9 25.8 33.6 35.7 52.6 47.4 34.9 0.0
Douglas-fir 39.8 23.0 17.6 14.6 13.0 9.9 12.7 12.3 15.3 20.6 13.2 0.0
Hemlock 43.9 18.2 16.2 18.2 18.2 20.2 26.3 19.8 21.2 22.0 6.8 0.0
Fir 11.0 6.9 5.9 9.3 9.6 14.5 14.2 14.9 13.6 14.4 6.7 0.0
Pine 14.3 13.5 9.4 7.1 6.9 7.7 8.2 10.4 13.7 17.2 13.6 0.0
Spruce 11.3 8.7 4.9 6.0 6.9 9.8 11.1 11.9 11.0 15.8 7.6 0.0
Boreal Unclassified 14.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.1
Unspecified hardwoods 11.9 19.9 77.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 32.9 20.5 26.3 18.9 20.1 16.9 44.8 54.9 61.2 0.0 0.0 0.0
Maple 90.7 55.7 18.1 44.3 52.6 79.1 84.1 0.0 0.0 0.0 0.0 0.0
Birch 21.1 10.6 6.7 6.5 7.5 12.6 30.2 76.4 67.8 0.0 0.0 0.0
Poplar 8.3 6.7 4.7 3.5 4.2 7.5 12.8 28.2 34.9 96.7 49.9 0.0
Unspecified conifers 7.0 9.6 20.8 70.2 73.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 67.8 72.6 44.1 42.1 28.2 32.0 24.5 28.5 49.6 100.0 0.0 0.0
Larch 12.1 12.5 12.9 9.1 9.1 10.6 14.8 22.8 27.3 57.6 85.2 0.0
Fir 28.3 11.7 9.9 7.3 6.7 9.1 14.0 14.5 17.6 19.6 12.3 0.0
Pine 9.6 7.5 7.1 5.4 5.5 8.5 11.0 14.2 20.7 42.1 30.4 0.0
Spruce 7.9 5.6 4.3 3.0 1.7 1.9 3.1 6.4 10.2 16.3 10.2 0.0
Canada Unclassified 13.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.7
Unspecified hardwoods 7.4 17.6 29.4 60.6 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 11.3 10.3 10.5 9.4 19.7 23.6 32.5 53.8 61.2 0.0 0.0 0.0
Maple 11.2 8.2 4.9 6.0 6.7 13.7 17.2 27.7 61.0 100.0 85.0 0.0
Birch 12.5 7.1 4.7 4.7 5.0 10.2 18.6 66.3 56.3 90.5 100.0 0.0
Poplar 6.6 5.3 3.9 3.1 3.8 6.8 10.9 21.4 24.0 62.6 37.0 0.0
Unspecified conifers 5.5 8.4 20.6 54.5 73.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 39.7 14.4 12.6 9.8 12.1 13.2 25.7 25.6 32.3 34.5 8.9 0.0
Larch 11.1 10.7 12.6 14.9 13.8 16.8 19.6 22.0 25.3 42.0 34.0 0.0
Douglas-fir 39.8 23.0 17.6 14.6 13.0 9.9 12.7 12.3 15.3 20.6 13.2 0.0
Hemlock 43.9 18.2 16.2 18.2 18.2 20.2 26.3 19.8 21.2 22.0 6.8 0.0
Fir 11.7 6.0 5.1 6.1 5.5 7.8 10.2 10.8 10.8 12.4 6.0 0.0
Pine 8.0 6.6 5.7 4.3 4.3 5.7 6.6 8.4 11.5 16.0 12.7 0.0
Spruce 6.5 4.9 3.6 2.7 1.7 1.9 3.0 5.7 7.5 12.4 6.2 0.0
Source: Canada's National Forest Inventory, revised 2006 baseline (Version 3, December 2013) (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.