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
Treed Coniferous 186.90 843.13 1 683.89 2 430.23 3 281.22 3 766.98 3 158.05 1 528.74 596.99 337.56 3 364.18 0.00 21 177.86
Treed Mixedwood 127.99 370.65 715.54 1 028.24 1 058.63 549.37 289.15 113.27 30.55 12.74 18.90 0.00 4 315.04
Treed Broadleaf 120.86 342.81 747.04 1 262.05 1 109.85 420.55 158.57 61.59 9.03 7.83 5.96 0.00 4 246.15
Non-treed 0.57 0.56 0.74 1.52 4.35 7.21 7.31 7.66 1.25 0.00 0.00 97.58 128.74
Total 436.32 1 557.16 3 147.20 4 722.04 5 454.04 4 744.12 3 613.08 1 711.26 637.83 358.13 3 389.03 97.58 29 867.80
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 1, July 2021) (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. These non-inventoried areas total 262,189.89 thousand ha.
1 Missing or unknown age class.