Table 15.1a. Relative standard errors (%) of total tree volume 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 19.4 15.8 15.8 11.8 8.9 7.7 16.5 19.1 41.1 67.8 70.5 0.0
Treed Coniferous 16.7 10.6 8.7 8.0 5.9 3.5 10.5 14.0 19.1 36.7 38.8 0.0
Treed Broadleaf 21.0 17.5 17.7 13.1 9.0 18.9 26.8 31.0 65.7 100.0 0.0 0.0
Non-treed 60.2 100.0 100.0 87.1 72.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Taiga Shield Treed Mixedwood 23.5 19.3 25.5 23.2 15.8 18.7 7.3 54.6 0.0 0.0 0.0 0.0
Treed Coniferous 18.7 9.8 7.4 7.2 5.4 5.3 3.5 6.0 32.8 57.3 20.4 0.0
Treed Broadleaf 24.8 29.3 55.2 29.6 18.3 8.3 81.0 0.0 0.0 0.0 0.0 0.0
Non-treed 0.0 0.0 26.9 100.0 97.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Boreal Shield Treed Mixedwood 5.5 4.2 3.8 3.9 3.8 8.1 11.9 30.0 51.0 68.2 71.1 0.0
Treed Coniferous 5.3 3.5 2.9 2.8 2.6 4.3 3.5 9.1 18.4 29.3 58.3 0.0
Treed Broadleaf 7.1 5.6 4.8 5.4 5.7 12.6 21.1 29.0 74.1 66.6 0.0 0.0
Non-treed 36.7 54.1 46.0 65.6 69.1 75.6 70.8 0.0 100.0 0.0 0.0 0.0
Atlantic Maritime Treed Mixedwood 8.2 6.4 5.8 5.3 7.6 13.2 48.9 61.8 0.0 98.7 0.0 0.0
Treed Coniferous 10.2 6.9 5.7 5.8 7.6 11.2 22.6 30.5 100.0 0.0 0.0 0.0
Treed Broadleaf 13.6 9.4 9.0 8.6 10.3 18.9 41.7 73.6 100.0 0.0 100.0 0.0
Non-treed 78.3 74.9 55.0 63.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Mixedwood Plains Treed Mixedwood 28.3 15.7 10.5 16.9 24.5 46.2 40.4 100.0 0.0 0.0 0.0 0.0
Treed Coniferous 29.6 13.8 15.6 15.9 21.5 49.2 49.0 100.0 0.0 0.0 0.0 0.0
Treed Broadleaf 18.7 10.4 8.8 9.2 12.1 34.3 43.1 57.4 100.0 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 0.0
Boreal Plains Treed Mixedwood 13.4 10.3 9.9 6.7 7.5 9.2 11.6 16.2 23.2 43.5 99.2 0.0
Treed Coniferous 14.5 8.2 6.6 4.8 5.1 6.0 7.4 10.3 19.2 39.3 38.9 0.0
Treed Broadleaf 11.0 7.4 8.3 5.6 6.7 9.1 16.1 33.0 59.6 100.0 0.0 0.0
Non-treed 33.0 36.8 26.9 28.4 57.4 62.3 100.0 100.0 0.0 0.0 0.0 0.0
Prairies Treed Mixedwood 58.9 40.7 50.7 46.8 68.9 92.9 100.0 0.0 0.0 0.0 0.0 0.0
Treed Coniferous 73.2 96.3 65.5 44.6 81.0 88.8 100.0 96.1 0.0 0.0 0.0 0.0
Treed Broadleaf 14.5 10.8 20.5 29.6 56.7 70.4 0.0 100.0 0.0 0.0 0.0 0.0
Non-treed 46.5 45.6 70.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Taiga Cordillera Treed Mixedwood 57.8 59.7 43.4 46.4 44.7 23.1 14.7 100.0 100.0 0.0 0.0 0.0
Treed Coniferous 78.8 31.8 39.7 15.5 20.4 11.8 7.9 37.0 54.3 0.0 0.0 0.0
Treed Broadleaf 95.5 69.4 44.1 36.4 17.4 100.0 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 0.0
Boreal Cordillera Treed Mixedwood 33.8 19.8 28.6 29.8 14.1 16.9 24.6 23.7 48.9 98.8 51.1 0.0
Treed Coniferous 33.6 23.9 18.1 14.6 10.8 8.3 9.0 10.9 13.5 22.0 13.2 0.0
Treed Broadleaf 39.8 23.3 32.4 26.9 20.5 32.9 61.8 82.1 47.2 100.0 67.8 0.0
Non-treed 0.0 100.0 75.3 51.7 44.5 44.5 36.6 36.2 70.9 0.0 0.0 0.0
Pacific Maritime Treed Mixedwood 48.7 26.1 21.9 29.3 30.9 33.1 51.6 44.7 47.1 100.0 53.1 0.0
Treed Coniferous 20.8 13.8 14.8 17.8 17.0 19.8 20.7 26.0 16.0 14.2 5.1 0.0
Treed Broadleaf 72.8 55.4 29.8 27.6 34.9 36.9 42.1 48.9 100.0 47.4 41.6 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 0.0
Montane Cordillera Treed Mixedwood 62.8 19.9 25.4 17.9 14.2 24.3 14.2 19.9 26.4 39.3 28.7 0.0
Treed Coniferous 19.0 10.2 13.4 8.6 6.6 5.9 5.4 5.9 7.9 7.4 5.6 0.0
Treed Broadleaf 45.9 28.1 26.2 22.5 17.8 24.5 18.6 28.1 55.1 83.4 66.1 0.0
Non-treed 75.7 100.1 0.0 99.9 100.1 62.8 88.6 100.0 0.0 100.0 0.0 0.0
Hudson Plains Treed Mixedwood 51.5 40.5 32.4 34.4 7.2 32.5 83.7 76.8 0.0 0.0 0.0 0.0
Treed Coniferous 28.0 13.7 9.8 11.8 13.6 8.5 11.6 22.9 61.4 100.0 0.0 0.0
Treed Broadleaf 54.5 32.5 55.3 47.7 74.5 87.4 62.7 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 0.0
Canada Treed Mixedwood 4.3 3.2 2.9 2.8 2.8 4.8 5.6 9.6 17.0 34.8 24.6 0.0
Treed Coniferous 4.1 2.6 2.5 2.3 2.0 2.0 2.1 3.5 5.5 6.1 3.6 0.0
Treed Broadleaf 5.1 3.6 3.5 3.4 3.5 5.7 11.7 16.8 36.6 34.2 33.4 0.0
Non-treed 25.7 26.5 33.9 38.2 33.3 43.2 36.5 36.0 70.9 100.0 0.0 0.0
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.