Table 17.0. Total above-ground biomass (million tonnes) on forest land by forest type and age class in Canada.
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
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.