Table 5.1a. Relative standard errors (%) of area of 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 41.9 30.0 13.0 15.3 5.0 18.7 20.5 27.5 53.8 100.0 82.6 0.0
Treed Coniferous 47.7 43.3 15.2 9.0 1.9 11.2 14.4 18.9 24.5 64.7 42.4 0.0
Treed Broadleaf 47.0 29.8 10.6 7.2 17.0 22.2 26.8 51.3 100.0 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 26.7
Taiga Shield Treed Mixedwood 59.8 100.0 100.0 17.6 13.0 6.3 55.7 0.0 0.0 0.0 0.0 0.0
Treed Coniferous 47.7 63.0 70.2 6.2 4.5 2.5 3.2 59.3 0.0 0.0 0.0 0.0
Treed Broadleaf 78.5 63.0 40.2 34.6 8.1 23.8 94.9 0.0 0.0 0.0 0.0 0.0
Non-treed 0.0 100.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0
Boreal Shield Treed Mixedwood 4.9 5.0 3.9 3.1 3.4 7.3 12.5 22.6 40.0 67.2 63.3 0.0
Treed Coniferous 4.4 4.1 3.6 2.9 2.3 3.0 6.1 8.3 17.8 29.1 47.3 0.0
Treed Broadleaf 6.3 7.4 5.4 4.6 5.5 10.0 14.5 27.0 44.7 100.0 100.0 0.0
Non-treed 64.0 51.5 46.1 55.9 40.0 46.5 100.0 0.0 56.5 0.0 0.0 3.8
Atlantic Maritime Treed Mixedwood 5.7 6.6 4.6 6.2 10.4 25.8 50.8 0.0 100.0 0.0 0.0 0.0
Treed Coniferous 6.7 7.1 5.0 6.5 9.3 13.5 32.6 84.7 0.0 0.0 0.0 0.0
Treed Broadleaf 7.3 10.7 7.2 9.7 12.9 31.0 93.6 68.5 0.0 98.4 100.0 0.0
Non-treed 51.6 99.9 75.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.6
Mixedwood Plains Treed Mixedwood 14.0 11.1 10.3 19.7 27.9 51.3 66.0 100.0 0.0 0.0 0.0 0.0
Treed Coniferous 13.3 15.9 15.8 20.7 32.4 53.5 90.6 0.0 0.0 0.0 0.0 0.0
Treed Broadleaf 10.6 8.0 7.8 9.8 17.2 27.9 47.8 71.5 0.0 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 26.7
Boreal Plains Treed Mixedwood 20.0 12.1 7.8 7.8 8.0 9.7 12.3 18.1 36.9 82.4 78.7 0.0
Treed Coniferous 12.7 10.0 5.6 4.6 5.0 6.1 7.5 12.5 19.4 25.9 43.2 0.0
Treed Broadleaf 12.3 8.8 5.7 6.3 8.1 10.5 17.5 35.9 59.6 100.0 0.0 0.0
Non-treed 71.1 77.0 94.4 87.6 0.0 100.0 0.0 0.0 0.0 0.0 0.0 7.9
Prairies Treed Mixedwood 0.0 100.2 61.3 81.4 47.4 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Treed Coniferous 0.0 0.0 90.3 39.5 100.0 95.0 0.0 0.0 0.0 0.0 0.0 0.0
Treed Broadleaf 78.4 94.6 22.0 13.6 15.2 72.5 0.0 100.0 0.0 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 34.3
Taiga Cordillera Treed Mixedwood 100.0 48.9 64.3 52.7 87.3 12.0 100.0 100.0 0.0 0.0 0.0 0.0
Treed Coniferous 100.0 21.5 20.7 20.6 22.7 5.4 40.9 83.4 100.0 0.0 0.0 0.0
Treed Broadleaf 100.0 58.1 84.5 15.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Boreal Cordillera Treed Mixedwood 35.2 17.7 17.2 14.6 20.4 19.1 27.5 33.7 40.2 0.0 40.8 0.0
Treed Coniferous 63.2 13.4 10.6 9.1 6.7 7.4 11.1 12.6 12.4 20.2 7.5 0.0
Treed Broadleaf 50.7 16.4 21.4 19.6 33.1 30.9 63.0 61.4 69.4 0.0 76.5 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 35.4
Pacific Maritime Treed Mixedwood 65.6 26.1 30.1 21.7 36.0 33.2 46.5 43.9 59.0 100.0 62.3 0.0
Treed Coniferous 22.9 12.7 14.7 14.5 15.2 14.4 20.5 18.9 15.4 21.9 4.4 0.0
Treed Broadleaf 83.3 29.5 23.8 29.2 36.4 48.8 42.0 78.5 59.9 100.0 90.6 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 10.8
Montane Cordillera Treed Mixedwood 22.6 21.7 23.1 16.4 15.9 16.0 15.7 22.4 31.5 37.5 31.7 0.0
Treed Coniferous 12.1 9.3 11.0 6.9 5.8 5.4 5.0 5.6 6.6 7.5 4.6 0.0
Treed Broadleaf 56.6 30.1 23.8 19.3 17.5 16.6 20.2 27.5 56.6 53.7 77.6 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 9.6
Hudson Plains Treed Mixedwood 0.0 100.4 23.7 62.7 4.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Treed Coniferous 50.7 71.0 64.4 36.0 6.9 5.0 48.9 83.8 0.0 0.0 0.0 0.0
Treed Broadleaf 100.4 0.0 0.0 35.7 0.0 39.9 0.0 0.0 0.0 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 12.5
Canada Treed Mixedwood 3.8 3.7 2.7 2.5 2.2 3.8 7.4 11.3 23.8 46.7 31.4 0.0
Treed Coniferous 3.4 3.0 2.5 2.0 1.3 1.5 2.3 4.0 5.2 6.5 2.9 0.0
Treed Broadleaf 4.4 4.5 3.1 2.9 3.5 6.2 10.1 19.5 28.6 41.0 51.2 0.0
Non-treed 37.6 49.4 42.5 55.3 40.0 44.7 100.0 0.0 56.5 0.0 0.0 2.4
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.