Boreal zone | Species group | Age (years) | |||||||||||
1-20 | 21-40 | 41-60 | 61-80 | 81-100 | 101-120 | 121-140 | 141-160 | 161-180 | 181-200 | 201+ | Other1 | ||
Non-boreal | Unclassified | 30.9 | 25.6 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Unspecified hardwoods | 11.0 | 14.9 | 17.9 | 48.6 | 23.3 | 65.2 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other hardwoods | 23.7 | 15.3 | 12.9 | 12.1 | 15.1 | 29.2 | 48.1 | 69.7 | 100.0 | 100.0 | 55.5 | 0.0 | |
Maple | 14.8 | 8.2 | 5.6 | 6.0 | 6.1 | 11.5 | 26.5 | 34.1 | 77.3 | 0.0 | 81.1 | 0.0 | |
Birch | 11.8 | 8.1 | 7.8 | 7.0 | 6.9 | 14.1 | 21.0 | 37.5 | 78.4 | 94.1 | 84.2 | 0.0 | |
Poplar | 9.2 | 6.0 | 5.8 | 6.8 | 9.0 | 20.8 | 14.8 | 24.0 | 36.7 | 41.4 | 42.7 | 0.0 | |
Unspecified conifers | 11.6 | 11.9 | 20.0 | 42.9 | 31.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Cedar & other conifers | 30.6 | 16.7 | 16.0 | 13.9 | 10.7 | 14.8 | 20.6 | 32.6 | 25.7 | 22.4 | 8.8 | 0.0 | |
Larch | 26.2 | 16.4 | 16.3 | 17.6 | 22.6 | 25.4 | 25.3 | 35.8 | 37.9 | 48.4 | 30.0 | 0.0 | |
Douglas-fir | 26.1 | 24.6 | 20.4 | 20.8 | 13.0 | 11.3 | 11.8 | 12.6 | 14.5 | 17.2 | 13.5 | 0.0 | |
Hemlock | 23.4 | 17.3 | 16.3 | 20.5 | 17.7 | 17.2 | 15.1 | 21.6 | 16.6 | 24.4 | 6.8 | 0.0 | |
Fir | 12.7 | 6.4 | 5.1 | 7.0 | 8.1 | 12.8 | 11.6 | 12.1 | 13.1 | 11.9 | 7.2 | 0.0 | |
Pine | 16.5 | 7.9 | 9.3 | 7.7 | 7.5 | 8.1 | 8.4 | 11.8 | 19.8 | 17.6 | 14.3 | 0.0 | |
Spruce | 11.5 | 7.2 | 7.7 | 4.9 | 5.7 | 8.7 | 9.7 | 10.0 | 11.6 | 11.7 | 7.7 | 0.0 | |
Boreal | Unclassified | 56.6 | 41.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Unspecified hardwoods | 11.9 | 18.8 | 40.6 | 81.2 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other hardwoods | 34.4 | 28.3 | 22.1 | 17.1 | 20.4 | 18.3 | 57.8 | 57.1 | 80.5 | 100.0 | 0.0 | 0.0 | |
Maple | 48.7 | 31.9 | 31.9 | 25.1 | 48.4 | 82.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Birch | 8.3 | 6.7 | 6.7 | 6.8 | 7.2 | 10.1 | 21.6 | 36.1 | 44.3 | 68.0 | 90.0 | 0.0 | |
Poplar | 6.6 | 5.1 | 5.2 | 4.1 | 4.0 | 6.1 | 11.0 | 18.7 | 37.7 | 48.1 | 52.8 | 0.0 | |
Unspecified conifers | 8.6 | 9.4 | 25.9 | 36.0 | 60.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Cedar & other conifers | 76.5 | 43.0 | 22.5 | 15.7 | 21.8 | 23.1 | 24.5 | 36.9 | 60.5 | 0.0 | 0.0 | 0.0 | |
Larch | 18.8 | 7.0 | 6.1 | 5.7 | 6.4 | 7.3 | 9.2 | 14.3 | 24.0 | 30.2 | 48.4 | 0.0 | |
Fir | 15.9 | 7.8 | 7.7 | 8.5 | 5.7 | 10.5 | 9.4 | 12.9 | 17.1 | 20.9 | 15.0 | 0.0 | |
Pine | 6.4 | 4.5 | 5.2 | 5.6 | 5.6 | 7.6 | 9.3 | 13.2 | 18.3 | 46.5 | 29.2 | 0.0 | |
Spruce | 8.8 | 4.2 | 2.8 | 2.6 | 2.3 | 2.2 | 2.1 | 3.8 | 8.3 | 15.2 | 9.8 | 0.0 | |
Canada | Unclassified | 38.5 | 22.8 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Unspecified hardwoods | 8.2 | 11.7 | 17.6 | 48.4 | 23.3 | 65.2 | 99.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other hardwoods | 19.6 | 14.3 | 12.2 | 11.0 | 13.6 | 23.0 | 39.3 | 44.3 | 73.4 | 95.2 | 55.5 | 0.0 | |
Maple | 14.6 | 8.0 | 5.6 | 5.8 | 6.1 | 11.5 | 26.5 | 34.1 | 77.3 | 0.0 | 81.1 | 0.0 | |
Birch | 6.8 | 5.2 | 5.1 | 4.9 | 5.1 | 8.2 | 15.1 | 27.8 | 38.7 | 55.3 | 62.7 | 0.0 | |
Poplar | 5.6 | 4.0 | 4.1 | 3.7 | 3.6 | 6.1 | 9.4 | 15.1 | 31.5 | 31.4 | 33.9 | 0.0 | |
Unspecified conifers | 7.1 | 7.6 | 17.1 | 31.5 | 28.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Cedar & other conifers | 29.8 | 16.5 | 15.5 | 12.8 | 9.8 | 12.7 | 16.9 | 29.3 | 24.9 | 22.4 | 8.8 | 0.0 | |
Larch | 17.0 | 6.4 | 5.8 | 5.5 | 7.5 | 8.4 | 10.0 | 14.7 | 23.2 | 34.6 | 27.5 | 0.0 | |
Douglas-fir | 26.1 | 24.6 | 20.4 | 20.8 | 13.0 | 11.3 | 11.8 | 12.6 | 14.5 | 17.2 | 13.5 | 0.0 | |
Hemlock | 23.4 | 17.3 | 16.3 | 20.5 | 17.7 | 17.2 | 15.1 | 21.6 | 16.6 | 24.4 | 6.8 | 0.0 | |
Fir | 10.0 | 5.0 | 4.4 | 5.4 | 4.7 | 8.2 | 7.4 | 9.1 | 10.5 | 10.6 | 6.7 | 0.0 | |
Pine | 6.0 | 3.9 | 4.6 | 4.6 | 4.8 | 5.5 | 6.3 | 8.8 | 13.8 | 17.3 | 13.2 | 0.0 | |
Spruce | 7.2 | 3.7 | 2.7 | 2.3 | 2.1 | 2.2 | 2.1 | 3.6 | 6.7 | 9.3 | 6.1 | 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 Non-boreal zone in the Arctic ecozones (Arctic Cordillera, Northern Arctic, Southern Arctic) are not inventoried. The total land and water area amounts to approximately 252,202.08 thousand ha. | |||||||||||||
1 Missing or unknown age class. |