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 50.92 310.05 824.49 1 734.24 4 798.59 3 250.31 1 540.68 428.60 247.47 162.18 630.89 0.00 13 978.42
Poplar 43.09 193.91 787.41 1 234.52 840.34 287.99 98.56 24.22 8.49 2.30 5.19 0.00 3 526.02
Pine 57.94 160.24 310.70 566.42 650.50 471.18 435.75 253.77 133.98 68.31 94.80 0.00 3 203.59
Fir 20.05 140.99 243.85 272.92 239.44 129.21 110.81 96.38 102.68 98.85 834.27 0.00 2 289.45
Hemlock 1.10 51.31 73.15 96.38 67.14 56.11 48.67 36.73 25.96 28.12 1 234.52 0.00 1 719.19
Douglas-fir 2.34 36.02 82.10 156.29 164.18 190.60 166.43 86.26 64.24 35.79 201.01 0.00 1 185.26
Birch 13.93 80.09 304.36 323.58 262.39 48.09 19.82 3.45 1.38 0.25 0.31 0.00 1 057.65
Maple 16.68 44.56 347.44 192.30 299.87 74.43 43.01 23.27 4.20 3.45 0.22 0.00 1 049.43
Cedar & other conifers 1.62 13.69 34.21 29.62 38.46 23.63 13.26 10.59 10.21 20.01 563.28 0.00 758.58
Unspecified conifers 139.77 65.50 4.83 0.36 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 210.50
Larch 27.70 6.53 19.06 35.55 36.53 32.83 18.54 9.85 4.77 2.26 10.34 0.00 203.96
Other hardwoods 14.89 12.67 38.10 51.74 24.44 11.67 1.82 0.30 0.08 0.00 0.00 0.00 155.71
Unclassified 28.63 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 0.11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 66.30
Total 477.02 1 122.57 3 070.52 4 694.03 7 421.92 4 576.05 2 497.35 973.42 603.46 421.52 3 574.83 117.38 29 550.07
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. The total area amounts to 262,189.89 thousand ha.
1 Missing or unknown age class.