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 Coniferous 53.46 228.86 466.30 732.54 661.40 673.34 708.52 472.29 363.15 345.05 3 219.98 0.00 7 924.89
Mixedwood 68.26 147.34 455.89 449.67 384.03 93.39 58.06 21.16 8.32 6.13 5.05 0.00 1 697.30
Broadleaf 55.22 92.43 434.46 390.46 470.28 104.89 54.03 25.41 5.80 0.60 1.36 0.00 1 634.94
Non-treed 0.09 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22.00 22.10
Subtotal 177.03 468.63 1 356.66 1 572.67 1 515.71 871.62 820.61 518.86 377.27 351.78 3 226.39 22.00 11 279.23
Boreal Coniferous 152.18 377.84 811.99 1 739.34 4 616.45 3 423.66 1 523.50 399.40 207.84 67.49 315.08 0.00 13 634.77
Mixedwood 106.53 172.77 390.52 682.98 1 015.79 283.14 100.41 47.83 15.55 2.19 9.41 0.00 2 827.12
Broadleaf 42.37 102.08 509.85 694.55 421.27 173.60 49.71 8.55 3.84 0.02 0.80 0.00 2 006.64
Non-treed 0.16 0.37 0.16 0.19 0.36 0.03 0.01 0.00 0.04 0.00 0.00 95.38 96.70
Subtotal 301.24 653.06 1 712.52 3 117.06 6 053.87 3 880.43 1 673.63 455.78 227.27 69.70 325.29 95.38 18 565.23
Canada Coniferous 205.64 606.70 1 278.29 2 471.88 5 277.85 4 097.00 2 232.02 871.69 570.99 412.54 3 535.06 0.00 21 559.66
Mixedwood 174.79 320.11 846.41 1 132.65 1 399.82 376.53 158.47 68.99 23.87 8.32 14.46 0.00 4 524.42
Broadleaf 97.59 194.51 944.31 1 085.01 891.55 278.49 103.74 33.96 9.64 0.62 2.16 0.00 3 641.58
Non-treed 0.25 0.37 0.17 0.19 0.36 0.03 0.01 0.00 0.04 0.00 0.00 117.38 118.80
Total 478.27 1 121.69 3 069.18 4 689.73 7 569.58 4 752.05 2 494.24 974.64 604.54 421.48 3 551.68 117.38 29 844.46
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.