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 | 22.1 | 15.1 | 14.7 | 10.8 | 11.0 | 6.3 | 14.3 | 17.4 | 30.6 | 70.2 | 74.1 | 0.0 |
Treed Coniferous | 14.0 | 9.9 | 7.6 | 6.2 | 6.2 | 2.6 | 9.3 | 14.2 | 18.6 | 33.2 | 42.1 | 0.0 | |
Treed Broadleaf | 18.0 | 15.8 | 15.0 | 12.1 | 8.1 | 18.2 | 24.3 | 31.3 | 59.9 | 100.0 | 0.0 | 0.0 | |
Non-treed | 60.2 | 70.5 | 100.0 | 77.9 | 95.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29.3 | |
Taiga Shield | Treed Mixedwood | 22.6 | 17.5 | 22.5 | 24.9 | 17.8 | 13.7 | 7.4 | 51.4 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 15.7 | 8.7 | 6.8 | 7.4 | 5.9 | 4.7 | 3.0 | 3.8 | 40.6 | 57.1 | 20.3 | 0.0 | |
Treed Broadleaf | 27.0 | 28.5 | 41.3 | 32.4 | 27.3 | 7.9 | 67.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 0.0 | 0.0 | 100.0 | 85.2 | 97.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.7 | |
Boreal Shield | Treed Mixedwood | 4.6 | 3.7 | 3.5 | 3.7 | 3.9 | 7.9 | 10.9 | 28.6 | 47.4 | 67.3 | 78.5 | 0.0 |
Treed Coniferous | 4.3 | 3.1 | 2.7 | 2.5 | 2.4 | 3.9 | 3.4 | 8.1 | 17.4 | 30.1 | 49.6 | 0.0 | |
Treed Broadleaf | 5.7 | 4.8 | 4.5 | 5.2 | 5.4 | 12.5 | 18.4 | 26.8 | 68.9 | 68.7 | 0.0 | 0.0 | |
Non-treed | 35.6 | 60.6 | 39.0 | 40.9 | 41.8 | 45.5 | 69.2 | 92.8 | 97.9 | 100.0 | 100.0 | 4.3 | |
Atlantic Maritime | Treed Mixedwood | 6.7 | 5.7 | 5.7 | 5.3 | 7.3 | 13.2 | 49.5 | 52.7 | 0.0 | 98.6 | 0.0 | 0.0 |
Treed Coniferous | 8.5 | 6.6 | 5.9 | 5.6 | 7.3 | 10.7 | 22.7 | 30.2 | 100.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 9.6 | 8.4 | 8.4 | 7.9 | 10.0 | 18.7 | 41.4 | 70.4 | 100.0 | 0.0 | 100.0 | 0.0 | |
Non-treed | 68.9 | 69.3 | 52.3 | 55.4 | 99.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 6.9 | |
Mixedwood Plains | Treed Mixedwood | 22.3 | 15.6 | 9.7 | 14.5 | 19.7 | 33.5 | 50.2 | 73.6 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 27.3 | 13.2 | 15.9 | 14.6 | 20.3 | 48.4 | 56.4 | 85.6 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 18.1 | 11.5 | 8.2 | 8.4 | 10.8 | 26.9 | 42.9 | 59.0 | 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 | 16.9 | |
Boreal Plains | Treed Mixedwood | 10.4 | 8.7 | 8.7 | 5.8 | 7.0 | 8.8 | 10.7 | 15.4 | 22.0 | 42.3 | 97.8 | 0.0 |
Treed Coniferous | 10.4 | 7.5 | 5.7 | 3.9 | 4.4 | 5.3 | 6.2 | 9.3 | 17.1 | 32.8 | 36.3 | 0.0 | |
Treed Broadleaf | 9.1 | 6.8 | 7.1 | 5.4 | 6.6 | 9.1 | 16.2 | 29.7 | 59.4 | 100.0 | 0.0 | 0.0 | |
Non-treed | 32.4 | 42.6 | 27.1 | 23.7 | 43.2 | 52.3 | 67.3 | 90.3 | 0.0 | 0.0 | 0.0 | 8.5 | |
Prairies | Treed Mixedwood | 58.7 | 42.8 | 43.5 | 43.4 | 63.4 | 86.4 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 60.5 | 94.3 | 76.7 | 48.3 | 73.8 | 85.2 | 100.0 | 90.7 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 13.2 | 10.6 | 17.9 | 26.2 | 54.7 | 70.6 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 41.2 | 75.4 | 85.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 27.9 | |
Taiga Cordillera | Treed Mixedwood | 71.0 | 66.1 | 37.0 | 36.0 | 46.7 | 44.6 | 12.2 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 80.4 | 31.4 | 18.6 | 14.0 | 15.5 | 18.9 | 6.3 | 33.6 | 49.6 | 100.0 | 0.0 | 0.0 | |
Treed Broadleaf | 87.1 | 49.6 | 35.5 | 91.7 | 16.3 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 0.0 | 0.0 | 59.3 | 61.7 | 99.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 70.7 | |
Boreal Cordillera | Treed Mixedwood | 29.0 | 18.6 | 18.0 | 14.9 | 15.4 | 15.5 | 20.6 | 24.9 | 48.0 | 69.9 | 57.8 | 0.0 |
Treed Coniferous | 31.2 | 18.4 | 9.6 | 8.7 | 7.5 | 6.5 | 7.7 | 9.1 | 11.2 | 19.2 | 8.2 | 0.0 | |
Treed Broadleaf | 39.6 | 26.7 | 17.4 | 18.2 | 18.0 | 27.3 | 46.7 | 59.0 | 48.1 | 100.0 | 68.0 | 0.0 | |
Non-treed | 100.0 | 33.3 | 31.7 | 35.5 | 29.6 | 28.3 | 55.3 | 100.0 | 0.0 | 0.0 | 0.0 | 28.1 | |
Pacific Maritime | Treed Mixedwood | 47.5 | 26.8 | 18.9 | 32.0 | 31.2 | 32.4 | 54.6 | 44.4 | 44.0 | 100.0 | 48.2 | 0.0 |
Treed Coniferous | 13.7 | 12.2 | 13.3 | 14.8 | 13.7 | 15.5 | 14.7 | 20.7 | 13.8 | 14.3 | 4.4 | 0.0 | |
Treed Broadleaf | 63.5 | 32.8 | 27.1 | 26.1 | 36.6 | 43.8 | 35.9 | 47.5 | 100.0 | 47.8 | 43.1 | 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 | 11.2 | |
Montane Cordillera | Treed Mixedwood | 15.3 | 15.6 | 20.5 | 16.2 | 12.6 | 16.3 | 13.5 | 16.8 | 23.2 | 40.5 | 25.3 | 0.0 |
Treed Coniferous | 7.2 | 7.0 | 10.1 | 7.7 | 5.7 | 5.2 | 4.6 | 5.1 | 6.0 | 7.0 | 4.5 | 0.0 | |
Treed Broadleaf | 44.8 | 25.4 | 20.3 | 18.7 | 16.8 | 21.7 | 19.6 | 29.3 | 69.3 | 67.9 | 56.1 | 0.0 | |
Non-treed | 89.7 | 100.1 | 0.0 | 99.9 | 100.1 | 70.2 | 91.1 | 100.0 | 0.0 | 100.0 | 0.0 | 7.7 | |
Hudson Plains | Treed Mixedwood | 65.1 | 36.5 | 30.9 | 24.7 | 34.3 | 6.8 | 80.4 | 70.8 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 30.6 | 10.4 | 8.0 | 10.1 | 13.6 | 9.4 | 6.4 | 23.3 | 67.2 | 100.0 | 0.0 | 0.0 | |
Treed Broadleaf | 59.2 | 29.8 | 51.1 | 81.0 | 39.8 | 87.7 | 50.2 | 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 | 15.9 | |
Canada | Treed Mixedwood | 3.4 | 2.8 | 2.7 | 2.5 | 2.9 | 3.3 | 4.4 | 9.5 | 16.3 | 27.3 | 29.8 | 0.0 |
Treed Coniferous | 3.0 | 2.2 | 1.9 | 1.7 | 1.7 | 1.7 | 1.7 | 2.6 | 4.5 | 5.7 | 2.9 | 0.0 | |
Treed Broadleaf | 4.1 | 3.2 | 3.1 | 3.0 | 3.2 | 4.8 | 10.1 | 14.9 | 29.5 | 31.3 | 31.0 | 0.0 | |
Non-treed | 21.9 | 23.4 | 23.5 | 22.3 | 22.1 | 21.7 | 42.8 | 59.4 | 97.9 | 96.4 | 100.0 | 2.6 | |
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. |