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 | 2.6 | 2.4 | 1.9 | 1.6 | 1.1 | 1.5 | 2.2 | 4.0 | 5.5 | 6.7 | 3.3 | 2.4 | |||||||||||||||||||||
Ia | 47.4 | 58.6 | 38.8 | 38.5 | 35.0 | 65.1 | 61.3 | 82.2 | 100.0 | 100.0 | 100.0 | 96.7 | |||||||||||||||||||||
Ib | 38.4 | 22.6 | 15.8 | 10.7 | 12.5 | 12.0 | 17.7 | 25.5 | 24.5 | 27.9 | 14.7 | 25.1 | |||||||||||||||||||||
II | 19.1 | 15.3 | 8.5 | 7.4 | 7.6 | 9.0 | 13.2 | 13.7 | 17.0 | 18.9 | 11.4 | 26.4 | |||||||||||||||||||||
III | 48.7 | 30.9 | 27.5 | 25.7 | 20.2 | 17.7 | 66.6 | 100.0 | 0.0 | 0.0 | 84.7 | 71.2 | |||||||||||||||||||||
IV | 48.3 | 37.9 | 32.9 | 34.6 | 26.5 | 38.2 | 70.3 | 70.9 | 100.0 | 0.0 | 62.3 | 83.6 | |||||||||||||||||||||
V | 98.7 | 85.8 | 94.7 | 78.6 | 64.8 | 86.7 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
VI | 78.5 | 60.9 | 41.8 | 57.4 | 61.7 | 68.9 | 80.7 | 0.0 | 100.0 | 0.0 | 0.0 | 79.3 | |||||||||||||||||||||
Other | 100.0 | 100.0 | 81.6 | 51.5 | 35.3 | 66.7 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
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 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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