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 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
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
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 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
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
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 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
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
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 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
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
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 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
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
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 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
Coniferous 12.7 10.0 5.6 4.6 5.0 6.1 7.5 12.5 19.4 25.9 41.6 0.0
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 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
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
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 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
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
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 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
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
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 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
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
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 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
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
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 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
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
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 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
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
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. The total area amounts to 262,189.89 thousand ha.
1 Missing or unknown age class.