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 206.51 619.34 1 315.59 2 537.60 5 294.10 3 994.91 2 264.39 904.16 582.92 419.69 3 560.97 0.00 21 700.18
Treed Mixedwood 175.78 324.38 866.23 1 143.27 1 396.47 358.51 163.12 70.73 24.42 8.43 14.38 0.00 4 545.72
Treed Broadleaf 98.89 202.64 1 008.63 1 118.27 826.86 290.19 106.70 34.54 9.75 0.62 2.16 0.00 3 699.25
Non-treed 0.25 0.36 0.18 0.19 0.36 0.03 0.01 0.00 0.04 0.00 0.00 117.38 118.81
Total 481.44 1 146.72 3 190.62 4 799.32 7 517.80 4 643.64 2 534.22 1 009.43 617.13 428.73 3 577.51 117.38 30 063.95
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. These non-inventoried areas total 262,189.89 thousand ha.
1 Missing or unknown age class.