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 | 50.8 | 34.9 | 14.6 | 15.6 | 5.2 | 20.0 | 22.5 | 29.1 | 53.6 | 100.0 | 74.9 | 0.0 |
Treed Coniferous | 54.4 | 50.9 | 17.8 | 10.8 | 2.1 | 12.6 | 14.6 | 20.7 | 25.3 | 71.1 | 41.1 | 0.0 | |
Treed Broadleaf | 46.0 | 50.7 | 11.7 | 7.4 | 18.3 | 23.6 | 29.8 | 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 | 29.2 | |
Taiga Shield | Treed Mixedwood | 59.5 | 100.0 | 100.0 | 20.5 | 13.1 | 5.8 | 56.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 46.7 | 59.6 | 77.6 | 6.3 | 4.7 | 2.7 | 3.5 | 58.2 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 71.0 | 58.4 | 44.1 | 37.7 | 8.0 | 18.5 | 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 | 5.4 | 5.2 | 4.1 | 3.0 | 3.3 | 7.7 | 12.5 | 21.6 | 43.7 | 71.6 | 66.0 | 0.0 |
Treed Coniferous | 4.9 | 4.6 | 4.1 | 3.2 | 2.3 | 3.1 | 6.7 | 9.3 | 20.3 | 37.9 | 51.8 | 0.0 | |
Treed Broadleaf | 7.4 | 8.7 | 5.7 | 4.9 | 5.8 | 11.0 | 15.5 | 26.9 | 46.5 | 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 | 3.9 | |
Atlantic Maritime | Treed Mixedwood | 6.8 | 6.9 | 4.7 | 6.4 | 10.9 | 27.3 | 58.6 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 9.4 | 7.4 | 5.2 | 7.0 | 9.5 | 13.7 | 35.6 | 74.6 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 7.7 | 10.8 | 7.9 | 10.7 | 13.4 | 30.9 | 94.1 | 69.9 | 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 | 9.7 | |
Mixedwood Plains | Treed Mixedwood | 19.7 | 14.4 | 11.2 | 22.5 | 30.3 | 46.2 | 62.7 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 15.8 | 16.1 | 16.9 | 22.0 | 35.5 | 52.8 | 94.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 12.3 | 8.3 | 9.0 | 10.1 | 18.2 | 27.9 | 46.1 | 71.1 | 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 | 19.2 | 15.2 | 8.3 | 9.2 | 8.6 | 10.0 | 13.1 | 19.4 | 37.9 | 80.9 | 79.9 | 0.0 |
Treed Coniferous | 15.9 | 12.1 | 7.2 | 5.9 | 5.8 | 6.5 | 8.0 | 12.9 | 18.1 | 27.6 | 38.6 | 0.0 | |
Treed Broadleaf | 13.0 | 10.3 | 6.2 | 6.7 | 8.7 | 10.4 | 17.5 | 35.9 | 58.2 | 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 | 8.3 | |
Prairies | Treed Mixedwood | 0.0 | 100.2 | 61.8 | 81.6 | 47.4 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 0.0 | 0.0 | 87.8 | 39.6 | 100.0 | 93.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 95.5 | 98.5 | 21.3 | 13.5 | 15.2 | 70.9 | 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 | 41.0 | |
Taiga Cordillera | Treed Mixedwood | 100.0 | 68.6 | 59.7 | 70.1 | 87.6 | 12.5 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 100.0 | 25.4 | 24.7 | 30.7 | 22.6 | 5.5 | 40.8 | 82.0 | 100.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 100.0 | 58.0 | 86.4 | 15.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Boreal Cordillera | Treed Mixedwood | 39.9 | 29.8 | 39.7 | 16.1 | 23.9 | 21.2 | 26.5 | 32.6 | 42.8 | 0.0 | 40.3 | 0.0 |
Treed Coniferous | 51.2 | 17.3 | 16.3 | 11.6 | 7.6 | 7.9 | 11.6 | 13.5 | 13.6 | 20.5 | 8.5 | 0.0 | |
Treed Broadleaf | 52.7 | 17.2 | 53.3 | 19.2 | 36.3 | 34.4 | 78.2 | 78.5 | 79.4 | 0.0 | 74.8 | 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 | 62.0 | 28.1 | 30.7 | 22.8 | 35.6 | 31.0 | 60.5 | 45.9 | 66.8 | 100.0 | 61.6 | 0.0 |
Treed Coniferous | 25.7 | 15.8 | 15.5 | 16.2 | 17.4 | 15.6 | 22.5 | 20.4 | 18.7 | 19.3 | 4.8 | 0.0 | |
Treed Broadleaf | 70.6 | 35.6 | 24.8 | 31.4 | 34.1 | 51.0 | 42.7 | 86.5 | 62.0 | 100.0 | 96.6 | 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 | 37.5 | 41.5 | 22.3 | 18.3 | 18.5 | 18.3 | 16.4 | 22.0 | 31.1 | 38.3 | 30.6 | 0.0 |
Treed Coniferous | 20.2 | 14.2 | 11.7 | 7.5 | 6.3 | 5.9 | 5.4 | 6.0 | 6.8 | 8.4 | 5.0 | 0.0 | |
Treed Broadleaf | 80.7 | 33.6 | 29.9 | 20.4 | 19.1 | 17.3 | 23.0 | 27.9 | 53.7 | 54.1 | 97.3 | 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 | 9.6 | |
Hudson Plains | Treed Mixedwood | 0.0 | 100.4 | 32.7 | 60.6 | 5.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Treed Coniferous | 50.7 | 70.0 | 59.8 | 36.3 | 9.9 | 6.1 | 44.1 | 85.9 | 0.0 | 0.0 | 0.0 | 0.0 | |
Treed Broadleaf | 100.4 | 0.0 | 0.0 | 54.3 | 0.0 | 41.4 | 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 | 12.7 | |
Canada | Treed Mixedwood | 4.2 | 3.9 | 2.9 | 2.5 | 2.5 | 4.6 | 7.3 | 10.6 | 22.1 | 46.1 | 25.7 | 0.0 |
Treed Coniferous | 4.0 | 3.7 | 3.0 | 2.4 | 1.4 | 1.8 | 2.6 | 4.3 | 5.3 | 7.1 | 3.3 | 0.0 | |
Treed Broadleaf | 4.8 | 5.1 | 3.4 | 3.1 | 3.9 | 6.7 | 10.7 | 20.4 | 30.3 | 44.2 | 45.6 | 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 | 2.6 | |
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. |