Table 17.1a. Relative standard errors (%) of total above-ground biomass on forest land by forest type, age class and terrestrial ecozone in Canada.
Terrestrial ecozone Forest type Age (years)
1-20 21-40 41-60 61-80 81-100 101-120 121-140 141-160 161-180 181-200 201+ Other1
Taiga Plains Treed Mixedwood 19.3 17.0 16.6 12.7 8.8 7.7 16.0 18.5 37.4 67.8 70.4 0.0
Treed Coniferous 18.9 11.9 10.0 8.7 6.2 3.6 10.5 14.5 19.0 37.8 38.5 0.0
Treed Broadleaf 21.6 17.0 16.8 12.2 8.9 18.2 26.0 31.1 64.4 100.0 0.0 0.0
Non-treed 60.2 70.5 100.0 77.9 95.3 0.0 0.0 0.0 0.0 0.0 0.0 22.3
Taiga Shield Treed Mixedwood 22.3 20.9 26.2 24.4 16.0 19.0 7.1 55.0 0.0 0.0 0.0 0.0
Treed Coniferous 16.2 10.3 8.0 7.6 5.6 5.2 3.8 5.7 33.1 57.6 20.4 0.0
Treed Broadleaf 25.8 30.5 52.7 30.5 24.4 8.3 79.7 0.0 0.0 0.0 0.0 0.0
Non-treed 0.0 0.0 1.0 100.0 97.6 0.0 0.0 0.0 0.0 0.0 0.0 4.7
Boreal Shield Treed Mixedwood 5.8 4.2 3.8 3.9 3.8 8.0 11.6 30.4 50.1 68.5 72.7 0.0
Treed Coniferous 5.2 3.5 3.0 2.9 2.6 4.3 3.6 9.6 17.8 30.1 58.7 0.0
Treed Broadleaf 7.6 5.7 5.1 5.6 5.9 12.9 22.1 29.7 74.5 67.3 0.0 0.0
Non-treed 54.3 44.3 56.2 54.0 83.2 85.6 80.0 0.0 100.0 0.0 0.0 4.2
Atlantic Maritime Treed Mixedwood 8.8 6.7 5.8 5.3 7.8 13.7 50.2 66.6 0.0 98.7 0.0 0.0
Treed Coniferous 10.5 7.1 5.7 5.8 7.7 11.0 22.8 31.0 100.0 0.0 0.0 0.0
Treed Broadleaf 17.2 10.5 9.1 8.9 10.6 19.2 41.0 76.7 100.0 0.0 100.0 0.0
Non-treed 72.1 69.3 52.3 55.4 100.0 0.0 0.0 0.0 0.0 0.0 0.0 7.0
Mixedwood Plains Treed Mixedwood 29.3 15.6 10.4 16.7 24.3 46.6 40.5 100.0 0.0 0.0 0.0 0.0
Treed Coniferous 29.9 13.7 15.2 15.6 21.8 48.3 48.3 100.0 0.0 0.0 0.0 0.0
Treed Broadleaf 19.5 10.6 9.0 9.3 12.2 34.8 42.2 57.7 100.0 0.0 0.0 0.0
Non-treed 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.0
Boreal Plains Treed Mixedwood 13.7 10.1 9.9 6.5 7.6 9.1 11.5 16.2 23.4 45.0 99.3 0.0
Treed Coniferous 15.2 8.8 6.5 4.6 5.1 5.9 7.1 10.0 18.9 41.5 38.1 0.0
Treed Broadleaf 11.0 7.4 8.3 5.6 6.8 9.2 16.1 31.8 59.5 100.0 0.0 0.0
Non-treed 32.4 42.3 27.1 23.7 44.5 53.8 100.0 100.0 0.0 0.0 0.0 8.4
Prairies Treed Mixedwood 56.6 40.5 51.7 46.9 69.7 93.1 100.0 0.0 0.0 0.0 0.0 0.0
Treed Coniferous 78.1 98.4 69.7 44.7 81.1 89.3 100.0 95.9 0.0 0.0 0.0 0.0
Treed Broadleaf 14.8 10.9 20.1 29.1 57.8 70.6 0.0 100.0 0.0 0.0 0.0 0.0
Non-treed 41.2 75.4 85.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 28.4
Taiga Cordillera Treed Mixedwood 70.9 81.9 49.6 39.2 42.9 22.8 14.5 100.0 100.0 0.0 0.0 0.0
Treed Coniferous 79.8 37.2 24.2 15.1 19.1 11.7 7.8 36.2 53.4 0.0 0.0 0.0
Treed Broadleaf 98.2 77.6 54.9 34.0 18.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Non-treed 0.0 0.0 0.0 0.0 100.0 100.0 100.0 0.0 0.0 0.0 0.0 89.1
Boreal Cordillera Treed Mixedwood 34.4 20.0 27.7 27.1 14.7 16.4 24.0 24.2 47.7 98.5 53.0 0.0
Treed Coniferous 38.1 27.3 17.0 13.3 10.4 8.0 9.0 10.8 13.4 23.7 12.6 0.0
Treed Broadleaf 34.6 23.6 29.9 29.1 20.5 32.5 58.3 79.3 43.8 100.0 67.9 0.0
Non-treed 0.0 100.0 73.5 49.7 40.8 42.6 36.0 36.4 71.0 0.0 0.0 32.2
Pacific Maritime Treed Mixedwood 48.9 25.9 21.9 29.7 30.6 32.9 52.0 44.6 46.7 100.0 51.8 0.0
Treed Coniferous 17.9 13.3 14.6 17.8 16.7 19.5 20.6 25.3 15.8 14.0 4.9 0.0
Treed Broadleaf 76.3 53.5 29.4 27.3 35.6 37.1 41.7 48.7 100.0 47.5 40.2 0.0
Non-treed 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.0
Montane Cordillera Treed Mixedwood 53.1 19.4 24.6 17.6 13.8 22.9 13.9 19.1 25.5 39.7 27.9 0.0
Treed Coniferous 15.0 9.7 13.0 8.3 6.4 5.7 5.2 5.7 7.2 7.3 5.4 0.0
Treed Broadleaf 46.3 26.9 25.0 21.7 17.5 24.5 18.5 27.9 55.0 81.7 64.5 0.0
Non-treed 89.7 100.1 0.0 99.9 100.1 70.2 91.1 100.0 0.0 100.0 0.0 8.2
Hudson Plains Treed Mixedwood 49.7 42.9 32.8 34.3 8.1 33.2 83.6 76.5 0.0 0.0 0.0 0.0
Treed Coniferous 48.4 14.0 10.4 12.4 13.9 8.5 17.4 23.2 61.9 100.0 0.0 0.0
Treed Broadleaf 50.5 31.2 55.8 48.5 85.4 88.7 61.1 0.0 0.0 0.0 0.0 0.0
Non-treed 0.0 0.0 100.0 100.0 100.0 100.0 0.0 0.0 0.0 0.0 0.0 16.3
Canada Treed Mixedwood 4.5 3.1 2.9 2.7 2.8 4.6 5.2 9.5 16.5 32.2 25.3 0.0
Treed Coniferous 4.0 2.6 2.6 2.2 1.9 2.0 2.1 3.2 5.2 6.0 3.5 0.0
Treed Broadleaf 5.4 3.6 3.5 3.3 3.5 5.6 11.1 15.9 33.7 33.9 32.1 0.0
Non-treed 24.3 33.8 35.2 32.6 33.3 41.7 35.9 36.3 70.9 100.0 0.0 2.8
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.