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 | 41.9 | 30.0 | 13.0 | 15.3 | 5.0 | 18.7 | 20.5 | 27.5 | 53.8 | 100.0 | 82.6 | 0.0 |
Treed Coniferous | 47.7 | 43.3 | 15.2 | 9.0 | 1.9 | 11.2 | 14.4 | 18.9 | 24.5 | 64.7 | 42.4 | 0.0 | |
Treed Broadleaf | 47.0 | 29.8 | 10.6 | 7.2 | 17.0 | 22.2 | 26.8 | 51.3 | 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 | 26.7 | |
Taiga Shield | Treed Mixedwood | 59.8 | 100.0 | 100.0 | 17.6 | 13.0 | 6.3 | 55.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 47.7 | 63.0 | 70.2 | 6.2 | 4.5 | 2.5 | 3.2 | 59.3 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 78.5 | 63.0 | 40.2 | 34.6 | 8.1 | 23.8 | 94.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Non-treed | 0.0 | 100.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.0 | |
Boreal Shield | Treed Mixedwood | 4.9 | 5.0 | 3.9 | 3.1 | 3.4 | 7.3 | 12.5 | 22.6 | 40.0 | 67.2 | 63.3 | 0.0 |
Treed Coniferous | 4.4 | 4.1 | 3.6 | 2.9 | 2.3 | 3.0 | 6.1 | 8.3 | 17.8 | 29.1 | 47.3 | 0.0 | |
Treed Broadleaf | 6.3 | 7.4 | 5.4 | 4.6 | 5.5 | 10.0 | 14.5 | 27.0 | 44.7 | 100.0 | 100.0 | 0.0 | |
Non-treed | 64.0 | 51.5 | 46.1 | 55.9 | 40.0 | 46.5 | 100.0 | 0.0 | 56.5 | 0.0 | 0.0 | 3.8 | |
Atlantic Maritime | Treed Mixedwood | 5.7 | 6.6 | 4.6 | 6.2 | 10.4 | 25.8 | 50.8 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 6.7 | 7.1 | 5.0 | 6.5 | 9.3 | 13.5 | 32.6 | 84.7 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 7.3 | 10.7 | 7.2 | 9.7 | 12.9 | 31.0 | 93.6 | 68.5 | 0.0 | 98.4 | 100.0 | 0.0 | |
Non-treed | 51.6 | 99.9 | 75.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 9.6 | |
Mixedwood Plains | Treed Mixedwood | 14.0 | 11.1 | 10.3 | 19.7 | 27.9 | 51.3 | 66.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 13.3 | 15.9 | 15.8 | 20.7 | 32.4 | 53.5 | 90.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 10.6 | 8.0 | 7.8 | 9.8 | 17.2 | 27.9 | 47.8 | 71.5 | 0.0 | 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 | 26.7 | |
Boreal Plains | Treed Mixedwood | 20.0 | 12.1 | 7.8 | 7.8 | 8.0 | 9.7 | 12.3 | 18.1 | 36.9 | 82.4 | 78.7 | 0.0 |
Treed Coniferous | 12.7 | 10.0 | 5.6 | 4.6 | 5.0 | 6.1 | 7.5 | 12.5 | 19.4 | 25.9 | 43.2 | 0.0 | |
Treed Broadleaf | 12.3 | 8.8 | 5.7 | 6.3 | 8.1 | 10.5 | 17.5 | 35.9 | 59.6 | 100.0 | 0.0 | 0.0 | |
Non-treed | 71.1 | 77.0 | 94.4 | 87.6 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 7.9 | |
Prairies | Treed Mixedwood | 0.0 | 100.2 | 61.3 | 81.4 | 47.4 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 0.0 | 0.0 | 90.3 | 39.5 | 100.0 | 95.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 78.4 | 94.6 | 22.0 | 13.6 | 15.2 | 72.5 | 0.0 | 100.0 | 0.0 | 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 | 34.3 | |
Taiga Cordillera | Treed Mixedwood | 100.0 | 48.9 | 64.3 | 52.7 | 87.3 | 12.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 100.0 | 21.5 | 20.7 | 20.6 | 22.7 | 5.4 | 40.9 | 83.4 | 100.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 100.0 | 58.1 | 84.5 | 15.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Boreal Cordillera | Treed Mixedwood | 35.2 | 17.7 | 17.2 | 14.6 | 20.4 | 19.1 | 27.5 | 33.7 | 40.2 | 0.0 | 40.8 | 0.0 |
Treed Coniferous | 63.2 | 13.4 | 10.6 | 9.1 | 6.7 | 7.4 | 11.1 | 12.6 | 12.4 | 20.2 | 7.5 | 0.0 | |
Treed Broadleaf | 50.7 | 16.4 | 21.4 | 19.6 | 33.1 | 30.9 | 63.0 | 61.4 | 69.4 | 0.0 | 76.5 | 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 | 35.4 | |
Pacific Maritime | Treed Mixedwood | 65.6 | 26.1 | 30.1 | 21.7 | 36.0 | 33.2 | 46.5 | 43.9 | 59.0 | 100.0 | 62.3 | 0.0 |
Treed Coniferous | 22.9 | 12.7 | 14.7 | 14.5 | 15.2 | 14.4 | 20.5 | 18.9 | 15.4 | 21.9 | 4.4 | 0.0 | |
Treed Broadleaf | 83.3 | 29.5 | 23.8 | 29.2 | 36.4 | 48.8 | 42.0 | 78.5 | 59.9 | 100.0 | 90.6 | 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 | 10.8 | |
Montane Cordillera | Treed Mixedwood | 22.6 | 21.7 | 23.1 | 16.4 | 15.9 | 16.0 | 15.7 | 22.4 | 31.5 | 37.5 | 31.7 | 0.0 |
Treed Coniferous | 12.1 | 9.3 | 11.0 | 6.9 | 5.8 | 5.4 | 5.0 | 5.6 | 6.6 | 7.5 | 4.6 | 0.0 | |
Treed Broadleaf | 56.6 | 30.1 | 23.8 | 19.3 | 17.5 | 16.6 | 20.2 | 27.5 | 56.6 | 53.7 | 77.6 | 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 | 9.6 | |
Hudson Plains | Treed Mixedwood | 0.0 | 100.4 | 23.7 | 62.7 | 4.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 50.7 | 71.0 | 64.4 | 36.0 | 6.9 | 5.0 | 48.9 | 83.8 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 100.4 | 0.0 | 0.0 | 35.7 | 0.0 | 39.9 | 0.0 | 0.0 | 0.0 | 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 | 12.5 | |
Canada | Treed Mixedwood | 3.8 | 3.7 | 2.7 | 2.5 | 2.2 | 3.8 | 7.4 | 11.3 | 23.8 | 46.7 | 31.4 | 0.0 |
Treed Coniferous | 3.4 | 3.0 | 2.5 | 2.0 | 1.3 | 1.5 | 2.3 | 4.0 | 5.2 | 6.5 | 2.9 | 0.0 | |
Treed Broadleaf | 4.4 | 4.5 | 3.1 | 2.9 | 3.5 | 6.2 | 10.1 | 19.5 | 28.6 | 41.0 | 51.2 | 0.0 | |
Non-treed | 37.6 | 49.4 | 42.5 | 55.3 | 40.0 | 44.7 | 100.0 | 0.0 | 56.5 | 0.0 | 0.0 | 2.4 | |
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 Missing or unknown age class. |