Table 17.1. Total above-ground biomass (million tonnes) on forest land by forest type, age class and terrestrial ecozone in Canada.
Terrestrial ecozone 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
Taiga Plains Coniferous 0.69 0.56 10.15 62.23 1 797.29 45.50 54.03 37.51 11.54 4.43 4.59 0.00 2 028.52
Mixedwood 0.09 0.38 13.64 25.89 307.53 21.03 18.29 12.93 0.41 0.57 0.21 0.00 400.97
Broadleaf 0.08 1.66 48.75 202.55 41.90 40.22 12.48 3.15 0.06 0.00 0.00 0.00 350.85
Non-treed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.16 0.16
Subtotal 0.86 2.60 72.54 290.67 2 146.72 106.75 84.80 53.59 12.01 5.00 4.80 0.16 2 780.50
Taiga Shield Coniferous 2.77 0.51 2.65 145.15 290.83 838.60 859.59 0.69 0.00 0.00 0.00 0.00 2 140.79
Mixedwood 0.42 0.03 0.19 4.48 7.48 48.02 1.03 0.00 0.00 0.00 0.00 0.00 61.65
Broadleaf 0.10 0.07 0.10 0.23 27.76 1.11 0.01 0.00 0.00 0.00 0.00 0.00 29.38
Non-treed 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14.91 14.92
Subtotal 3.29 0.62 2.94 149.86 326.07 887.73 860.63 0.69 0.00 0.00 0.00 14.91 2 246.74
Boreal Shield Coniferous 151.08 332.00 589.09 1 197.55 1 951.74 1 386.86 315.30 148.76 22.64 3.80 0.39 0.00 6 099.21
Mixedwood 129.32 199.14 453.69 790.95 742.92 115.45 45.77 16.71 2.98 5.00 1.09 0.00 2 503.02
Broadleaf 49.08 61.83 297.28 370.82 411.62 105.99 49.15 22.38 5.49 0.22 0.24 0.00 1 374.10
Non-treed 0.12 0.35 0.16 0.19 0.36 0.03 0.01 0.00 0.04 0.00 0.00 63.64 64.90
Subtotal 329.60 593.32 1 340.22 2 359.51 3 106.64 1 608.33 410.23 187.85 31.15 9.02 1.72 63.64 10 041.23
Atlantic Maritime Coniferous 28.44 73.87 193.40 131.80 75.50 22.67 2.51 0.31 0.00 0.00 0.00 0.00 528.50
Mixedwood 36.94 66.28 194.25 117.87 45.52 4.76 0.68 0.00 0.21 0.00 0.00 0.00 466.51
Broadleaf 29.78 31.20 130.02 65.26 38.09 2.06 0.54 0.32 0.00 0.06 0.04 0.00 297.37
Non-treed 0.09 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.30 6.39
Subtotal 95.25 171.35 517.67 314.93 159.11 29.49 3.73 0.63 0.21 0.06 0.04 6.30 1 298.77
Mixedwood Plains Broadleaf 4.42 23.10 66.19 50.26 23.48 4.35 0.93 0.41 0.00 0.00 0.00 0.00 173.14
Mixedwood 1.92 16.12 40.56 12.48 6.93 0.70 0.44 0.10 0.00 0.00 0.00 0.00 79.25
Coniferous 1.39 9.12 9.65 4.99 1.43 0.17 0.49 0.00 0.00 0.00 0.00 0.00 27.24
Non-treed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.65 0.65
Subtotal 7.73 48.34 116.40 67.73 31.84 5.22 1.86 0.51 0.00 0.00 0.00 0.65 280.28
Boreal Plains Coniferous 6.94 29.18 204.45 384.12 304.15 239.81 117.54 65.42 28.94 7.81 8.05 0.00 1 396.41
Broadleaf 13.62 68.38 351.66 298.20 156.08 90.87 21.19 1.47 0.66 0.03 0.00 0.00 1 002.16
Mixedwood 3.84 18.95 100.93 114.96 135.91 83.18 34.66 12.15 2.13 0.16 0.14 0.00 507.01
Non-treed 0.04 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14.80 14.86
Subtotal 24.44 116.52 657.05 797.28 596.14 413.86 173.39 79.04 31.73 8.00 8.19 14.80 2 920.44
Prairies Broadleaf 0.11 0.09 32.03 48.90 61.52 0.02 0.00 0.01 0.00 0.00 0.00 0.00 142.68
Coniferous 0.00 0.00 0.04 1.70 0.35 3.16 0.00 0.00 0.00 0.00 0.00 0.00 5.25
Mixedwood 0.00 0.02 0.27 1.22 0.50 0.02 0.00 0.00 0.00 0.00 0.00 0.00 2.03
Non-treed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.19
Subtotal 0.11 0.11 32.34 51.82 62.37 3.20 0.00 0.01 0.00 0.00 0.00 0.19 150.15
Taiga Cordillera Coniferous 0.00 15.26 9.92 4.25 9.91 421.98 8.86 1.84 0.28 0.00 0.00 0.00 472.30
Mixedwood 0.05 1.04 0.90 0.75 1.26 7.83 0.14 1.09 0.00 0.00 0.00 0.00 13.06
Broadleaf 0.01 0.02 0.04 8.79 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.86
Subtotal 0.06 16.32 10.86 13.79 11.17 429.81 9.00 2.93 0.28 0.00 0.00 0.00 494.22
Boreal Cordillera Coniferous 0.22 15.96 36.59 62.45 248.95 206.31 122.90 98.94 108.01 24.37 241.38 0.00 1 166.08
Mixedwood 0.36 7.71 19.46 20.94 21.12 23.62 20.56 10.06 10.96 0.00 8.45 0.00 143.24
Broadleaf 0.32 4.12 9.46 10.18 1.57 5.42 7.60 3.76 1.45 0.00 0.79 0.00 44.67
Non-treed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.88 0.88
Subtotal 0.90 27.79 65.51 93.57 271.64 235.35 151.06 112.76 120.42 24.37 250.62 0.88 1 354.87
Pacific Maritime Coniferous 3.77 75.87 122.87 165.26 106.26 106.70 94.19 39.35 54.10 51.51 1 975.61 0.00 2 795.49
Mixedwood 0.10 2.23 15.53 14.63 9.77 7.51 1.04 3.00 0.43 1.27 0.60 0.00 56.11
Broadleaf 0.03 2.06 6.95 14.28 8.31 7.93 2.09 1.01 0.87 0.08 0.56 0.00 44.17
Non-treed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.47 4.47
Subtotal 3.90 80.16 145.35 194.17 124.34 122.14 97.32 43.36 55.40 52.86 1 976.77 4.47 2 900.24
Montane Cordillera Coniferous 7.65 53.84 97.31 311.79 424.57 537.59 657.84 475.36 344.46 320.62 1 328.25 0.00 4 559.28
Mixedwood 1.18 8.11 6.28 29.62 64.12 40.56 35.82 12.93 6.63 1.37 3.89 0.00 210.51
Broadleaf 0.02 1.33 4.81 11.48 30.50 21.26 10.20 1.70 1.14 0.22 0.53 0.00 83.19
Non-treed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.64 7.64
Subtotal 8.85 63.28 108.40 352.89 519.19 599.41 703.86 489.99 352.23 322.21 1 332.67 7.64 4 860.62
Hudson Plains Coniferous 2.03 2.10 0.84 4.83 17.16 134.69 1.48 2.03 0.00 0.00 0.00 0.00 165.16
Mixedwood 0.00 0.02 0.43 0.45 49.52 0.00 0.00 0.00 0.00 0.00 0.00 0.00 50.42
Non-treed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.74 3.74
Broadleaf 0.00 0.00 0.00 2.57 0.00 0.08 0.00 0.00 0.00 0.00 0.00 0.00 2.65
Subtotal 2.03 2.12 1.27 7.85 66.68 134.77 1.48 2.03 0.00 0.00 0.00 3.74 221.97
Canada Coniferous 204.98 608.27 1 276.96 2 476.12 5 228.14 3 944.04 2 234.73 870.21 569.97 412.54 3 558.27 0.00 21 384.23
Mixedwood 174.22 320.03 846.13 1 134.24 1 392.58 352.68 158.43 68.97 23.75 8.37 14.38 0.00 4 493.78
Broadleaf 97.57 193.86 947.29 1 083.52 800.83 279.31 104.19 34.21 9.67 0.61 2.16 0.00 3 553.22
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 477.02 1 122.53 3 070.55 4 694.07 7 421.91 4 576.06 2 497.36 973.39 603.43 421.52 3 574.81 117.38 29 550.03
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.