Table 18.2. Total above-ground biomass (million tonnes) on forest land by species group, age class and boreal zone in Canada.
Boreal zone 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
Non-boreal Hemlock 1.09 50.66 72.32 95.18 66.52 55.46 48.05 36.41 25.76 27.90 1 219.94 0.00 1 699.29
Pine 14.96 36.39 92.20 252.91 300.03 266.52 311.61 179.95 102.03 60.57 72.24 0.00 1 689.41
Spruce 14.80 51.67 178.20 200.93 156.78 131.66 133.65 110.18 100.75 118.28 456.97 0.00 1 653.87
Fir 13.74 104.24 169.00 153.31 76.22 45.24 65.76 61.10 65.17 82.24 708.21 0.00 1 544.23
Douglas-fir 2.34 35.81 81.36 155.25 163.59 190.27 166.08 86.26 64.00 35.73 199.91 0.00 1 180.60
Maple 16.59 44.30 336.20 190.49 295.69 71.54 42.43 22.99 4.15 3.41 0.21 0.00 1 028.00
Poplar 12.63 67.73 194.61 261.13 206.10 43.10 21.62 6.87 3.54 1.79 1.84 0.00 820.96
Cedar & other conifers 1.55 13.29 33.43 27.56 34.45 19.66 8.68 6.65 9.64 19.62 556.71 0.00 731.24
Birch 9.70 36.95 152.52 170.63 175.80 19.26 11.08 3.08 0.64 0.24 0.31 0.00 580.21
Other hardwoods 14.30 10.58 36.12 43.80 21.33 8.18 1.47 0.01 0.00 0.00 0.00 0.00 135.79
Larch 2.92 2.78 10.00 21.23 19.20 20.72 10.20 5.37 1.59 1.98 10.06 0.00 106.05
Unspecified conifers 37.75 11.01 0.06 0.13 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 48.95
Unspecified hardwoods 31.55 3.20 0.64 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 35.51
Unclassified 3.11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22.00 25.11
Subtotal 177.03 468.61 1 356.66 1 572.67 1 515.71 871.61 820.63 518.87 377.27 351.76 3 226.40 22.00 11 279.22
Boreal Spruce 36.27 257.54 649.60 1 529.42 4 699.50 3 296.50 1 404.43 319.50 147.73 44.03 175.17 0.00 12 559.69
Poplar 30.40 126.87 590.59 977.26 644.24 244.86 77.05 17.37 4.97 0.50 3.38 0.00 2 717.49
Pine 43.03 123.48 218.29 312.81 349.66 204.41 124.80 74.37 32.40 7.83 22.77 0.00 1 513.85
Fir 6.32 36.78 75.08 120.15 164.01 84.18 45.33 35.50 37.70 16.81 123.66 0.00 745.52
Birch 4.23 43.28 151.96 152.05 169.77 28.89 8.69 0.34 0.74 0.00 0.00 0.00 559.95
Unspecified conifers 102.76 54.91 4.80 0.23 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 162.74
Unclassified 25.71 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 95.38 121.09
Larch 24.89 3.74 9.06 14.36 17.34 12.15 8.37 4.50 3.16 0.29 0.31 0.00 98.17
Unspecified hardwoods 26.92 3.83 0.18 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 30.93
Cedar & other conifers 0.06 0.36 0.65 1.95 3.87 3.90 4.53 3.93 0.50 0.24 0.00 0.00 19.99
Other hardwoods 0.59 2.08 1.76 7.68 2.90 3.41 0.35 0.28 0.08 0.00 0.00 0.00 19.13
Maple 0.07 0.18 10.55 1.14 2.54 2.12 0.07 0.00 0.00 0.00 0.00 0.00 16.67
Subtotal 301.25 653.05 1 712.52 3 117.05 6 053.87 3 880.42 1 673.62 455.79 227.28 69.70 325.29 95.38 18 565.22
Canada Spruce 51.07 309.21 827.80 1 730.35 4 856.28 3 428.16 1 538.08 429.68 248.48 162.31 632.14 0.00 14 213.56
Poplar 43.03 194.60 785.20 1 238.39 850.34 287.96 98.67 24.24 8.51 2.29 5.22 0.00 3 538.45
Pine 57.99 159.87 310.49 565.72 649.69 470.93 436.41 254.32 134.43 68.40 95.01 0.00 3 203.26
Fir 20.06 141.02 244.08 273.46 240.23 129.42 111.09 96.60 102.87 99.05 831.87 0.00 2 289.75
Hemlock 1.09 50.66 72.32 95.18 66.52 55.46 48.05 36.41 25.76 27.90 1 219.94 0.00 1 699.29
Douglas-fir 2.34 35.81 81.36 155.25 163.59 190.27 166.08 86.26 64.00 35.73 199.91 0.00 1 180.60
Birch 13.93 80.23 304.48 322.68 345.57 48.15 19.77 3.42 1.38 0.24 0.31 0.00 1 140.16
Maple 16.66 44.48 346.75 191.63 298.23 73.66 42.50 22.99 4.15 3.41 0.21 0.00 1 044.67
Cedar & other conifers 1.61 13.65 34.08 29.51 38.32 23.56 13.21 10.58 10.14 19.86 556.71 0.00 751.23
Unspecified conifers 140.51 65.92 4.86 0.36 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 211.69
Larch 27.81 6.52 19.06 35.59 36.54 32.87 18.57 9.87 4.75 2.27 10.37 0.00 204.22
Other hardwoods 14.89 12.66 37.88 51.48 24.23 11.59 1.82 0.29 0.08 0.00 0.00 0.00 154.92
Unclassified 28.82 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 117.38 146.20
Unspecified hardwoods 58.47 7.03 0.82 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 66.44
Total 478.28 1 121.66 3 069.18 4 689.72 7 569.58 4 752.03 2 494.25 974.66 604.55 421.46 3 551.69 117.38 29 844.44
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.