Table 17.2. Total above-ground biomass (million tonnes) on forest land by forest type, age class and boreal zone in Canada.
Boreal zone Forest type 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 Treed Coniferous 49.59 270.45 477.90 570.00 706.94 612.92 641.38 522.32 329.17 276.88 3 006.33 0.00 7 463.89
Treed Broadleaf 41.62 163.29 398.26 477.61 483.67 142.18 37.15 19.16 3.20 5.54 5.28 0.00 1 776.95
Treed Mixedwood 41.37 144.75 396.71 438.44 424.80 159.46 75.47 42.65 8.30 4.71 9.65 0.00 1 746.30
Non-treed 0.09 0.04 0.11 0.02 < 0.01 < 0.01 0.00 < 0.01 0.00 0.00 0.00 24.05 24.31
Subtotal 132.66 578.53 1 272.98 1 486.07 1 615.41 914.56 754.00 584.13 340.67 287.13 3 021.25 24.05 11 011.45
Boreal Treed Coniferous 137.09 570.66 1 198.80 1 857.45 2 584.56 3 289.57 2 604.97 1 011.72 271.14 62.01 263.10 0.00 13 851.06
Treed Mixedwood 86.89 226.15 318.24 589.84 636.15 407.07 226.00 71.22 22.43 8.19 9.13 0.00 2 601.30
Treed Broadleaf 79.37 179.43 347.97 784.29 694.09 327.04 122.03 42.66 5.86 2.06 0.53 0.00 2 585.34
Non-treed 0.47 0.52 0.63 1.50 4.33 7.18 7.28 7.63 1.25 0.00 0.00 73.69 104.48
Subtotal 303.83 976.76 1 865.63 3 233.08 3 919.13 4 030.87 2 960.27 1 133.22 300.68 72.26 272.75 73.69 19 142.17
Canada Treed Coniferous 186.68 841.12 1 676.70 2 427.45 3 291.50 3 902.49 3 246.35 1 534.04 600.31 338.89 3 269.42 0.00 21 314.95
Treed Broadleaf 120.99 342.72 746.23 1 261.90 1 177.76 469.22 159.18 61.82 9.06 7.60 5.80 0.00 4 362.28
Treed Mixedwood 128.25 370.89 714.95 1 028.28 1 060.95 566.54 301.47 113.87 30.73 12.91 18.78 0.00 4 347.60
Non-treed 0.56 0.56 0.74 1.52 4.34 7.19 7.28 7.63 1.25 0.00 0.00 97.73 128.79
Total 436.49 1 555.29 3 138.61 4 719.15 5 534.55 4 945.43 3 714.27 1 717.35 641.35 359.39 3 294.00 97.73 30 153.63
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.