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 | 30.8 | 25.6 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.6 |
Unspecified hardwoods | 11.2 | 15.2 | 18.0 | 50.0 | 22.8 | 65.5 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.5 | |
Other hardwoods | 26.6 | 14.4 | 12.4 | 11.6 | 14.7 | 27.9 | 46.3 | 69.1 | 100.0 | 100.0 | 53.4 | 0.0 | |
Maple | 17.6 | 9.0 | 5.7 | 6.0 | 6.1 | 11.6 | 26.6 | 35.5 | 75.4 | 0.0 | 78.1 | 100.5 | |
Birch | 13.3 | 8.3 | 7.6 | 6.9 | 6.9 | 14.1 | 20.7 | 38.3 | 76.1 | 92.1 | 82.9 | 0.0 | |
Poplar | 9.6 | 5.9 | 5.6 | 6.6 | 8.8 | 19.5 | 14.8 | 23.5 | 36.8 | 41.2 | 42.4 | 0.0 | |
Unspecified conifers | 11.3 | 11.9 | 20.1 | 42.6 | 32.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 75.8 | |
Cedar & other conifers | 26.3 | 16.2 | 15.0 | 13.2 | 10.3 | 14.2 | 19.6 | 31.4 | 25.6 | 21.5 | 8.7 | 0.0 | |
Larch | 24.0 | 16.5 | 16.2 | 16.9 | 22.3 | 25.3 | 24.7 | 37.1 | 38.0 | 47.7 | 28.5 | 0.0 | |
Douglas-fir | 25.1 | 23.0 | 19.7 | 20.0 | 12.4 | 11.0 | 11.4 | 11.9 | 14.4 | 16.9 | 13.1 | 0.0 | |
Hemlock | 21.6 | 16.3 | 15.9 | 19.7 | 17.0 | 16.7 | 14.8 | 21.2 | 16.3 | 24.3 | 6.8 | 0.0 | |
Fir | 13.3 | 6.6 | 5.0 | 7.1 | 8.2 | 12.3 | 10.9 | 11.9 | 12.2 | 12.0 | 6.9 | 0.0 | |
Pine | 15.4 | 7.9 | 9.0 | 7.5 | 7.2 | 7.9 | 8.2 | 11.5 | 18.3 | 17.1 | 13.8 | 0.0 | |
Spruce | 12.0 | 7.2 | 7.2 | 4.7 | 5.4 | 8.3 | 9.2 | 9.4 | 11.0 | 11.3 | 7.6 | 99.9 | |
Boreal | Unclassified | 56.4 | 41.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.4 |
Unspecified hardwoods | 12.2 | 19.3 | 40.8 | 79.6 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other hardwoods | 34.8 | 26.9 | 23.3 | 18.9 | 23.4 | 17.5 | 59.1 | 57.5 | 72.2 | 100.0 | 0.0 | 72.7 | |
Maple | 59.4 | 32.2 | 32.1 | 24.8 | 47.4 | 82.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Birch | 8.4 | 6.8 | 6.7 | 6.8 | 7.3 | 10.2 | 20.2 | 34.4 | 43.4 | 68.1 | 90.9 | 62.6 | |
Poplar | 7.1 | 5.1 | 5.1 | 4.1 | 4.0 | 6.0 | 10.7 | 18.2 | 35.5 | 46.5 | 48.0 | 74.7 | |
Unspecified conifers | 8.5 | 9.5 | 26.5 | 36.4 | 57.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |
Cedar & other conifers | 78.3 | 50.9 | 22.8 | 15.5 | 21.4 | 21.9 | 24.3 | 36.8 | 60.6 | 0.0 | 0.0 | 0.0 | |
Larch | 19.5 | 7.2 | 6.5 | 6.2 | 6.7 | 7.7 | 9.4 | 14.2 | 23.1 | 33.1 | 47.0 | 62.8 | |
Fir | 15.8 | 7.9 | 7.8 | 8.1 | 5.6 | 10.3 | 9.2 | 13.0 | 17.0 | 20.6 | 15.0 | 61.2 | |
Pine | 7.1 | 4.7 | 5.7 | 5.5 | 5.5 | 7.5 | 9.1 | 13.3 | 17.7 | 43.9 | 27.5 | 70.1 | |
Spruce | 7.9 | 4.0 | 3.0 | 2.5 | 2.3 | 2.2 | 2.1 | 3.6 | 8.1 | 15.7 | 9.5 | 32.5 | |
Canada | Unclassified | 38.4 | 22.7 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.8 |
Unspecified hardwoods | 8.4 | 12.0 | 17.7 | 49.7 | 22.8 | 65.5 | 95.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.5 | |
Other hardwoods | 21.7 | 13.5 | 11.6 | 10.3 | 13.3 | 22.1 | 37.1 | 44.2 | 64.1 | 94.2 | 53.4 | 72.7 | |
Maple | 17.5 | 8.8 | 5.6 | 5.9 | 6.1 | 11.5 | 26.6 | 35.5 | 75.4 | 0.0 | 78.1 | 100.5 | |
Birch | 7.2 | 5.3 | 5.1 | 4.8 | 5.1 | 8.3 | 14.4 | 28.0 | 37.9 | 54.9 | 62.9 | 62.6 | |
Poplar | 5.9 | 3.9 | 4.0 | 3.6 | 3.6 | 6.0 | 9.1 | 14.6 | 29.3 | 31.0 | 32.8 | 74.7 | |
Unspecified conifers | 7.0 | 7.7 | 17.4 | 31.8 | 28.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 60.4 | |
Cedar & other conifers | 25.7 | 15.9 | 14.6 | 12.2 | 9.5 | 12.2 | 16.1 | 28.0 | 24.8 | 21.5 | 8.7 | 0.0 | |
Larch | 17.4 | 6.6 | 6.1 | 5.9 | 7.8 | 8.7 | 9.9 | 15.2 | 24.5 | 36.0 | 26.2 | 62.8 | |
Douglas-fir | 25.1 | 23.0 | 19.7 | 20.0 | 12.4 | 11.0 | 11.4 | 11.9 | 14.4 | 16.9 | 13.1 | 0.0 | |
Hemlock | 21.6 | 16.3 | 15.9 | 19.7 | 17.0 | 16.7 | 14.8 | 21.2 | 16.3 | 24.3 | 6.8 | 0.0 | |
Fir | 10.4 | 5.1 | 4.4 | 5.3 | 4.7 | 7.9 | 7.0 | 9.0 | 10.0 | 10.6 | 6.4 | 61.2 | |
Pine | 6.4 | 4.0 | 4.8 | 4.5 | 4.7 | 5.4 | 6.1 | 8.7 | 13.0 | 16.4 | 12.6 | 70.1 | |
Spruce | 6.6 | 3.5 | 2.8 | 2.3 | 2.1 | 2.1 | 2.1 | 3.3 | 6.6 | 9.3 | 5.9 | 32.5 | |
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. |