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 Non-treed 0.11 0.18 0.20 2.27 <0.01 0.06 <0.01 <0.01 - 0.00 - 25.84 28.65
Treed Mixedwood 42.63 147.99 392.97 440.57 431.77 165.35 75.55 48.27 8.64 4.76 10.99 - 1 769.48
Treed Broadleaf 41.47 162.41 393.19 479.00 491.96 146.08 42.94 19.98 3.31 7.69 7.40 - 1 795.42
Treed Coniferous 51.04 281.39 484.59 585.65 752.60 624.54 686.94 561.41 356.82 284.82 3 167.69 - 7 837.48
Subtotal 135.24 591.97 1 270.94 1 507.49 1 676.33 936.02 805.42 629.66 368.77 297.26 3 186.08 25.84 11 431.03
Boreal Non-treed 1.22 2.17 6.84 13.84 15.58 18.11 3.19 0.26 0.15 0.10 0.06 67.28 128.81
Treed Mixedwood 88.55 231.96 319.79 603.80 546.99 459.53 243.59 74.00 21.31 9.37 9.34 - 2 608.23
Treed Broadleaf 79.39 181.14 368.67 767.08 639.51 400.15 126.78 43.22 5.86 2.06 0.53 - 2 614.37
Treed Coniferous 141.53 649.82 1 163.56 1 889.83 2 135.96 3 507.69 2 714.04 1 179.44 282.48 65.61 313.89 0.00 14 043.84
Subtotal 310.70 1 065.10 1 858.85 3 274.55 3 338.03 4 385.48 3 087.59 1 296.92 309.80 77.14 323.82 67.28 19 395.26
Canada Non-treed 1.32 2.36 7.04 16.10 15.59 18.16 3.19 0.26 0.15 0.10 0.06 93.12 157.46
Treed Mixedwood 131.18 379.95 712.76 1 044.37 978.76 624.88 319.13 122.27 29.95 14.12 20.33 - 4 377.71
Treed Broadleaf 120.86 343.55 761.85 1 246.08 1 131.46 546.24 169.71 63.20 9.17 9.74 7.93 - 4 409.79
Treed Coniferous 192.57 931.20 1 648.15 2 475.48 2 888.55 4 132.23 3 400.98 1 740.85 639.30 350.42 3 481.59 0.00 21 881.33
Subtotal 445.94 1 657.06 3 129.79 4 782.03 5 014.37 5 321.50 3 893.02 1 926.59 678.57 374.40 3 509.90 93.12 30 826.29
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data< (Version 3, November 2023) (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.