Terrestrial ecozone | 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 | ||||||||||||||||||||||
Taiga Plains | NA | 12.6 | 9.3 | 7.1 | 5.6 | 5.1 | 2.7 | 8.4 | 12.4 | 16.9 | 35.3 | 38.6 | 29.3 | ||||||||||||||||||||
Ib | 47.6 | 42.3 | 36.9 | 26.1 | 25.8 | 19.8 | 82.3 | 100.4 | 84.0 | 100.4 | 100.3 | 48.4 | |||||||||||||||||||||
II | 73.9 | 48.8 | 29.8 | 21.3 | 18.9 | 13.9 | 51.0 | 53.6 | 90.1 | 100.0 | 0.0 | 0.0 | |||||||||||||||||||||
VI | 99.6 | 81.8 | 62.9 | 64.9 | 42.5 | 39.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Taiga Shield | NA | 13.5 | 8.8 | 7.0 | 7.5 | 6.1 | 4.4 | 3.1 | 3.9 | 40.6 | 57.1 | 20.3 | 5.1 | ||||||||||||||||||||
Ib | 66.5 | 55.8 | 37.4 | 41.1 | 67.3 | 53.9 | 18.7 | 0.0 | 0.0 | 0.0 | 0.0 | 26.3 | |||||||||||||||||||||
II | 100.1 | 44.4 | 28.3 | 35.1 | 20.6 | 20.7 | 13.0 | 29.4 | 0.0 | 0.0 | 0.0 | 15.8 | |||||||||||||||||||||
Boreal Shield | NA | 3.5 | 2.7 | 2.4 | 2.2 | 2.1 | 3.8 | 3.5 | 8.2 | 17.2 | 35.9 | 53.5 | 4.3 | ||||||||||||||||||||
Ia | 100.0 | 59.1 | 51.8 | 48.9 | 54.8 | 88.2 | 82.5 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Ib | 29.5 | 22.5 | 18.3 | 14.5 | 18.8 | 26.0 | 23.8 | 49.7 | 78.4 | 89.9 | 0.0 | 41.1 | |||||||||||||||||||||
II | 22.0 | 11.6 | 9.8 | 9.8 | 10.0 | 15.5 | 14.1 | 26.1 | 59.8 | 59.3 | 100.0 | 36.2 | |||||||||||||||||||||
III | 0.0 | 73.5 | 74.2 | 93.1 | 74.9 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
IV | 35.2 | 27.1 | 29.4 | 28.3 | 16.6 | 44.8 | 23.8 | 68.5 | 0.0 | 0.0 | 0.0 | 96.1 | |||||||||||||||||||||
VI | 99.7 | 83.1 | 72.1 | 87.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
Other | 60.3 | 33.6 | 31.3 | 34.4 | 35.0 | 44.2 | 45.9 | 87.4 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
Atlantic Maritime | NA | 5.3 | 4.6 | 4.5 | 4.2 | 5.4 | 9.9 | 23.8 | 27.2 | 75.5 | 98.6 | 100.0 | 7.0 | ||||||||||||||||||||
Ia | 50.7 | 73.7 | 61.3 | 72.3 | 64.9 | 65.5 | 99.9 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
Ib | 70.5 | 68.5 | 44.3 | 33.7 | 46.5 | 56.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 69.6 | |||||||||||||||||||||
II | 39.0 | 36.1 | 33.7 | 25.5 | 28.7 | 45.8 | 59.7 | 100.0 | 0.0 | 0.0 | 0.0 | 99.8 | |||||||||||||||||||||
III | 100.4 | 94.3 | 100.4 | 100.4 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
IV | 99.7 | 65.8 | 44.2 | 63.8 | 68.1 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 58.1 | |||||||||||||||||||||
VI | 99.9 | 75.2 | 94.9 | 99.9 | 99.3 | 99.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 99.9 | |||||||||||||||||||||
Other | 0.0 | 100.0 | 0.0 | 76.0 | 99.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Mixedwood Plains | NA | 15.3 | 10.9 | 7.0 | 7.8 | 9.8 | 26.0 | 42.8 | 46.4 | 100.0 | 0.0 | 0.0 | 16.9 | ||||||||||||||||||||
Ia | 100.0 | 100.0 | 79.5 | 84.0 | 99.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
II | 71.9 | 87.7 | 52.4 | 76.3 | 65.8 | 86.9 | 70.9 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
III | 0.0 | 0.0 | 0.0 | 100.2 | 0.0 | 100.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
IV | 100.1 | 0.0 | 71.7 | 100.8 | 94.9 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.1 | |||||||||||||||||||||
VI | 100.1 | 0.0 | 100.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Boreal Plains | NA | 6.9 | 5.5 | 4.7 | 3.3 | 3.8 | 4.6 | 5.8 | 9.3 | 16.4 | 34.5 | 41.5 | 8.5 | ||||||||||||||||||||
Ia | 0.0 | 86.4 | 65.3 | 64.2 | 69.5 | 78.5 | 84.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Ib | 69.1 | 41.7 | 36.9 | 28.7 | 27.9 | 41.2 | 43.0 | 78.3 | 78.1 | 0.0 | 100.0 | 0.0 | |||||||||||||||||||||
II | 44.1 | 20.5 | 14.3 | 12.1 | 15.6 | 21.4 | 30.1 | 36.2 | 45.2 | 59.4 | 96.7 | 100.0 | |||||||||||||||||||||
III | 0.0 | 66.3 | 62.0 | 55.1 | 82.7 | 100.0 | 96.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
IV | 55.6 | 47.0 | 71.9 | 54.9 | 62.9 | 71.5 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 46.9 | |||||||||||||||||||||
V | 100.0 | 0.0 | 95.0 | 64.9 | 73.7 | 94.3 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
VI | 8.2 | 67.9 | 99.4 | 97.7 | 87.2 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 4.8 | |||||||||||||||||||||
Other | 100.0 | 100.0 | 70.5 | 61.1 | 60.8 | 69.8 | 94.9 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | |||||||||||||||||||||
Prairies | NA | 13.0 | 10.8 | 18.1 | 26.5 | 41.3 | 64.8 | 100.0 | 87.7 | 0.0 | 0.0 | 0.0 | 29.1 | ||||||||||||||||||||
Ib | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
II | 56.8 | 55.4 | 73.6 | 74.8 | 76.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
III | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 88.4 | |||||||||||||||||||||
IV | 47.2 | 50.2 | 61.3 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
V | 78.9 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.7 | |||||||||||||||||||||
VI | 42.6 | 99.9 | 100.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | |||||||||||||||||||||
Other | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
Taiga Cordillera | NA | 58.0 | 34.2 | 18.0 | 13.9 | 14.0 | 19.3 | 6.7 | 33.3 | 44.6 | 100.0 | 0.0 | 70.7 | ||||||||||||||||||||
Ib | 0.0 | 100.0 | 95.8 | 71.2 | 64.1 | 74.3 | 38.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
II | 0.0 | 100.0 | 55.2 | 61.9 | 34.4 | 69.2 | 27.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
III | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
IV | 0.0 | 100.0 | 75.4 | 69.7 | 0.0 | 0.0 | 51.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Boreal Cordillera | NA | 23.5 | 13.7 | 8.2 | 7.5 | 6.6 | 6.1 | 8.2 | 9.4 | 12.7 | 18.1 | 9.6 | 29.5 | ||||||||||||||||||||
Ib | 97.7 | 80.4 | 48.6 | 33.2 | 43.0 | 36.8 | 33.2 | 34.8 | 27.8 | 72.9 | 19.8 | 0.0 | |||||||||||||||||||||
II | 100.0 | 51.1 | 42.7 | 34.8 | 30.2 | 24.3 | 24.7 | 44.2 | 55.4 | 98.7 | 39.1 | 81.2 | |||||||||||||||||||||
IV | 0.0 | 100.0 | 77.1 | 79.2 | 73.7 | 62.6 | 52.2 | 67.8 | 75.7 | 100.0 | 66.8 | 100.0 | |||||||||||||||||||||
Pacific Maritime | NA | 13.5 | 12.0 | 13.0 | 15.0 | 14.6 | 16.3 | 15.5 | 15.8 | 13.4 | 17.4 | 5.4 | 11.0 | ||||||||||||||||||||
Ia | 0.0 | 0.0 | 0.0 | 100.1 | 0.0 | 0.0 | 100.1 | 0.0 | 100.1 | 0.0 | 80.9 | 0.0 | |||||||||||||||||||||
Ib | 0.0 | 0.0 | 100.0 | 84.0 | 76.5 | 71.2 | 58.5 | 90.9 | 66.8 | 99.2 | 38.6 | 99.3 | |||||||||||||||||||||
II | 71.8 | 58.1 | 39.2 | 36.9 | 38.2 | 39.1 | 35.2 | 43.5 | 36.8 | 24.9 | 12.7 | 49.4 | |||||||||||||||||||||
III | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | |||||||||||||||||||||
IV | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.2 | 0.0 | |||||||||||||||||||||
V | 0.0 | 0.0 | 0.0 | 0.0 | 11.2 | 0.0 | 0.0 | 5.0 | 5.0 | 0.0 | 27.6 | 0.0 | |||||||||||||||||||||
Montane Cordillera | NA | 6.9 | 6.7 | 9.9 | 7.7 | 5.8 | 5.4 | 4.8 | 5.3 | 6.3 | 7.7 | 5.0 | 7.6 | ||||||||||||||||||||
Ia | 20.3 | 100.0 | 0.0 | 0.0 | 0.0 | 77.7 | 84.1 | 99.2 | 100.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Ib | 100.2 | 66.5 | 40.8 | 30.8 | 24.8 | 27.1 | 27.9 | 32.5 | 34.2 | 48.5 | 23.3 | 0.0 | |||||||||||||||||||||
II | 70.1 | 65.9 | 36.1 | 22.5 | 18.5 | 18.1 | 15.4 | 15.8 | 18.9 | 19.4 | 15.5 | 76.9 | |||||||||||||||||||||
III | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 98.8 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | |||||||||||||||||||||
IV | 0.0 | 100.0 | 0.0 | 10.9 | 100.0 | 100.0 | 83.3 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | |||||||||||||||||||||
VI | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Other | 99.9 | 99.9 | 99.9 | 99.9 | 81.4 | 99.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Hudson Plains | NA | 28.7 | 10.5 | 8.3 | 10.1 | 12.9 | 5.6 | 6.8 | 24.4 | 70.1 | 100.0 | 0.0 | 17.3 | ||||||||||||||||||||
Ib | 83.6 | 44.3 | 36.7 | 49.8 | 74.6 | 30.0 | 38.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | |||||||||||||||||||||
II | 61.3 | 88.9 | 40.5 | 42.1 | 43.0 | 55.3 | 30.5 | 98.1 | 100.1 | 0.0 | 0.0 | 55.1 | |||||||||||||||||||||
IV | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |||||||||||||||||||||
Canada | 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. |
|||||||||||||||||||||||||||||||||
|