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 | 19.4 | 15.8 | 16.4 | 11.6 | 11.5 | 6.5 | 16.3 | 18.6 | 41.1 | 67.8 | 70.5 | 0.0 |
Treed Coniferous | 16.7 | 10.6 | 8.7 | 8.2 | 7.4 | 2.9 | 10.3 | 13.8 | 19.4 | 33.9 | 38.2 | 0.0 | |
Treed Broadleaf | 21.0 | 17.8 | 18.1 | 15.0 | 8.2 | 19.4 | 26.4 | 31.0 | 65.7 | 100.0 | 0.0 | 0.0 | |
Non-treed | 60.2 | 100.0 | 100.0 | 87.1 | 72.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Taiga Shield | Treed Mixedwood | 23.9 | 19.2 | 25.9 | 30.6 | 22.8 | 13.7 | 7.2 | 54.9 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 18.2 | 9.7 | 7.4 | 8.0 | 6.4 | 5.2 | 3.2 | 4.6 | 31.1 | 57.3 | 20.4 | 0.0 | |
Treed Broadleaf | 25.9 | 28.1 | 56.1 | 31.0 | 25.4 | 7.9 | 81.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 0.0 | 0.0 | 100.0 | 96.1 | 97.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Boreal Shield | Treed Mixedwood | 5.6 | 4.2 | 3.8 | 3.8 | 3.9 | 8.5 | 11.9 | 29.7 | 52.4 | 68.2 | 71.2 | 0.0 |
Treed Coniferous | 5.2 | 3.6 | 3.0 | 2.8 | 2.5 | 4.3 | 3.5 | 9.4 | 18.4 | 30.0 | 57.7 | 0.0 | |
Treed Broadleaf | 7.1 | 5.5 | 4.8 | 5.5 | 5.6 | 12.8 | 21.0 | 28.8 | 75.3 | 66.6 | 0.0 | 0.0 | |
Non-treed | 44.2 | 69.2 | 42.9 | 44.0 | 40.1 | 44.7 | 75.1 | 98.9 | 99.7 | 100.0 | 100.0 | 0.0 | |
Atlantic Maritime | Treed Mixedwood | 7.9 | 6.4 | 5.8 | 5.4 | 7.5 | 13.3 | 53.3 | 61.8 | 0.0 | 98.6 | 0.0 | 0.0 |
Treed Coniferous | 10.4 | 6.9 | 5.7 | 5.9 | 7.6 | 11.2 | 22.6 | 30.9 | 100.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 13.6 | 9.4 | 9.0 | 8.6 | 10.3 | 18.8 | 42.0 | 73.6 | 100.0 | 0.0 | 100.0 | 0.0 | |
Non-treed | 64.7 | 74.9 | 55.0 | 63.0 | 99.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Mixedwood Plains | Treed Mixedwood | 26.2 | 17.0 | 10.4 | 16.4 | 20.9 | 34.2 | 45.5 | 62.8 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 33.5 | 14.6 | 15.0 | 15.9 | 21.1 | 46.4 | 60.7 | 91.4 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 19.8 | 11.5 | 9.3 | 8.8 | 11.1 | 26.3 | 40.5 | 57.1 | 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 | 0.0 | |
Boreal Plains | Treed Mixedwood | 13.3 | 10.1 | 10.3 | 6.7 | 7.7 | 9.2 | 11.6 | 16.1 | 23.3 | 43.5 | 99.2 | 0.0 |
Treed Coniferous | 14.6 | 8.1 | 6.0 | 4.8 | 5.2 | 6.0 | 7.3 | 10.3 | 19.6 | 39.9 | 36.2 | 0.0 | |
Treed Broadleaf | 11.0 | 7.4 | 7.9 | 5.6 | 6.8 | 9.3 | 15.7 | 33.1 | 59.6 | 100.0 | 0.0 | 0.0 | |
Non-treed | 33.0 | 37.1 | 26.9 | 28.4 | 51.8 | 90.0 | 86.6 | 77.9 | 0.0 | 0.0 | 0.0 | 0.0 | |
Prairies | Treed Mixedwood | 58.9 | 40.7 | 50.6 | 46.8 | 68.9 | 92.9 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 73.2 | 96.1 | 65.5 | 43.8 | 81.4 | 88.8 | 100.0 | 96.1 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 14.4 | 10.8 | 20.4 | 29.6 | 56.3 | 73.8 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 46.5 | 45.6 | 70.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Taiga Cordillera | Treed Mixedwood | 70.5 | 55.9 | 42.5 | 53.7 | 43.9 | 48.8 | 12.8 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 78.8 | 32.0 | 20.6 | 16.5 | 21.1 | 19.2 | 6.4 | 38.0 | 56.1 | 100.0 | 0.0 | 0.0 | |
Treed Broadleaf | 95.5 | 70.1 | 64.0 | 89.7 | 15.9 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 0.0 | 0.0 | 70.4 | 75.0 | 99.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Boreal Cordillera | Treed Mixedwood | 33.7 | 19.3 | 24.5 | 28.2 | 16.0 | 15.7 | 22.8 | 23.1 | 52.5 | 79.2 | 49.3 | 0.0 |
Treed Coniferous | 33.6 | 23.7 | 16.8 | 14.7 | 9.5 | 7.8 | 8.3 | 10.1 | 12.9 | 21.0 | 11.3 | 0.0 | |
Treed Broadleaf | 39.3 | 27.3 | 22.1 | 24.6 | 18.6 | 29.7 | 59.9 | 76.9 | 47.2 | 100.0 | 67.8 | 0.0 | |
Non-treed | 100.0 | 37.1 | 38.6 | 50.8 | 28.9 | 28.5 | 57.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Pacific Maritime | Treed Mixedwood | 48.7 | 26.7 | 21.6 | 32.9 | 31.3 | 32.8 | 49.7 | 44.7 | 47.1 | 100.0 | 53.1 | 0.0 |
Treed Coniferous | 20.8 | 14.0 | 15.1 | 17.6 | 16.9 | 19.5 | 21.1 | 26.2 | 16.0 | 14.2 | 5.0 | 0.0 | |
Treed Broadleaf | 73.7 | 56.0 | 29.2 | 27.8 | 35.1 | 38.8 | 43.6 | 49.9 | 100.0 | 47.4 | 46.3 | 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 | 0.0 | |
Montane Cordillera | Treed Mixedwood | 61.1 | 22.5 | 26.1 | 17.2 | 14.3 | 23.2 | 14.1 | 19.0 | 25.4 | 39.0 | 29.1 | 0.0 |
Treed Coniferous | 16.5 | 9.3 | 12.5 | 8.3 | 6.5 | 5.8 | 5.3 | 5.8 | 7.5 | 7.2 | 5.3 | 0.0 | |
Treed Broadleaf | 48.3 | 29.7 | 26.9 | 21.7 | 18.0 | 23.9 | 19.8 | 28.4 | 55.3 | 83.3 | 63.9 | 0.0 | |
Non-treed | 75.7 | 100.1 | 0.0 | 99.9 | 100.1 | 62.8 | 88.6 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | |
Hudson Plains | Treed Mixedwood | 51.5 | 40.5 | 32.9 | 33.2 | 44.1 | 6.9 | 83.7 | 76.8 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 28.6 | 13.6 | 9.8 | 11.8 | 17.3 | 12.4 | 7.6 | 22.2 | 64.5 | 100.0 | 0.0 | 0.0 | |
Treed Broadleaf | 54.5 | 32.5 | 55.3 | 80.8 | 46.8 | 94.5 | 49.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Canada | Treed Mixedwood | 4.3 | 3.1 | 3.0 | 2.8 | 3.0 | 4.3 | 5.5 | 9.3 | 17.0 | 33.0 | 23.9 | 0.0 |
Treed Coniferous | 4.1 | 2.6 | 2.6 | 2.3 | 2.0 | 1.9 | 2.0 | 3.2 | 5.4 | 6.0 | 3.5 | 0.0 | |
Treed Broadleaf | 5.1 | 3.6 | 3.5 | 3.4 | 3.4 | 5.7 | 11.4 | 16.8 | 36.5 | 34.2 | 35.9 | 0.0 | |
Non-treed | 30.0 | 43.5 | 42.4 | 34.3 | 22.4 | 23.4 | 48.2 | 53.5 | 99.7 | 90.5 | 100.0 | 0.0 | |
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 Missing or unknown age class. |