IUCN category | Age (years) | ||||||||||||||||||||||||||||||||
1-20 | 21-40 | 41-60 | 61-80 | 81-100 | 101-120 | 121-140 | 141-160 | 161-180 | 181-200 | 201+ | Other2 | ||||||||||||||||||||||
NA | 2.4 | 1.8 | 1.7 | 1.5 | 1.5 | 1.6 | 1.7 | 2.6 | 4.8 | 6.2 | 3.4 | 2.6 | |||||||||||||||||||||
Ia | 44.3 | 58.8 | 38.4 | 36.2 | 35.9 | 52.0 | 58.6 | 95.1 | 77.5 | 0.0 | 80.9 | 99.9 | |||||||||||||||||||||
Ib | 23.0 | 15.7 | 11.7 | 9.8 | 10.8 | 11.4 | 11.3 | 21.0 | 21.0 | 42.0 | 14.0 | 21.5 | |||||||||||||||||||||
II | 16.8 | 8.9 | 7.0 | 6.3 | 6.3 | 7.3 | 7.2 | 11.6 | 15.6 | 14.9 | 9.6 | 15.3 | |||||||||||||||||||||
III | 82.9 | 55.4 | 42.6 | 50.8 | 55.7 | 68.7 | 64.0 | 0.0 | 0.0 | 0.0 | 84.9 | 88.4 | |||||||||||||||||||||
IV | 29.2 | 20.1 | 23.2 | 22.7 | 15.7 | 34.2 | 19.7 | 49.3 | 61.8 | 100.0 | 66.1 | 66.7 | |||||||||||||||||||||
V | 62.1 | 100.0 | 95.0 | 64.9 | 73.7 | 94.3 | 100.0 | 5.0 | 5.0 | 0.0 | 27.6 | 4.7 | |||||||||||||||||||||
VI | 88.6 | 68.5 | 54.7 | 48.5 | 35.5 | 37.3 | 79.1 | 100.0 | 100.0 | 100.0 | 0.0 | 88.6 | |||||||||||||||||||||
Other | 52.3 | 32.3 | 28.1 | 28.7 | 30.1 | 36.4 | 42.2 | 68.3 | 0.0 | 100.0 | 0.0 | 99.5 | |||||||||||||||||||||
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 2, November 2022) (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 IUCN: International Union for Conservation of Nature (http://www.iucn.org). Data obtained from the Canadian Protected and Conserved Areas Database (CPCAD) (https://www.canada.ca/en/environment-climate-change/services/national-wildlife-areas/protected-conserved-areas-database.html). 2 Missing or unknown age class. |
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