Table 18.0. Total above-ground biomass (million tonnes) on forest land by species group and age class in Canada.
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
Spruce 51.16 315.70 854.03 1 775.70 4 839.01 3 280.64 1 565.42 453.77 258.52 168.05 632.77 0.00 14 194.77
Poplar 45.36 204.32 855.90 1 273.87 869.49 302.43 102.68 24.43 8.62 2.30 5.19 0.00 3 694.59
Pine 59.80 166.78 322.72 582.70 669.13 489.75 441.57 258.89 135.04 68.56 95.13 0.00 3 290.07
Fir 20.06 141.22 244.80 274.02 241.97 130.63 112.06 101.16 103.99 99.93 834.40 0.00 2 304.25
Hemlock 1.11 51.32 73.16 96.38 67.15 56.11 48.67 36.73 25.96 28.13 1 234.52 0.00 1 719.24
Douglas-fir 2.34 36.02 82.11 156.44 164.27 190.60 166.43 86.27 64.25 35.78 201.00 0.00 1 185.51
Birch 13.95 80.77 311.08 324.82 262.45 48.13 19.83 3.45 1.38 0.25 0.31 0.00 1 066.42
Maple 16.69 44.56 347.45 192.30 299.87 74.44 43.00 23.27 4.20 3.45 0.22 0.00 1 049.44
Cedar & other conifers 1.62 13.68 34.20 29.62 38.46 23.63 13.26 10.59 10.21 20.02 563.28 0.00 758.56
Larch 27.71 7.00 21.38 41.12 41.39 35.61 19.47 10.24 4.84 2.26 10.70 0.00 221.73
Unspecified conifers 139.76 65.50 4.83 0.36 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 210.49
Other hardwoods 14.89 12.84 38.13 51.88 24.56 11.68 1.83 0.62 0.13 0.00 0.00 0.00 156.55
Unclassified 28.62 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 117.38 146.01
Unspecified hardwoods 58.36 7.01 0.82 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 66.31
Total 481.44 1 146.72 3 190.63 4 799.33 7 517.79 4 643.63 2 534.22 1 009.42 617.13 428.73 3 577.51 117.38 30 063.93
Source: Canada's National Forest Inventory, revised 2006 baseline (Version 3, December 2013) (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.