Table 14.1a. Relative standard errors (%) of area of forest land by species group, age class and terrestrial ecozone in Canada.
Terrestrial ecozone 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
Taiga Plains Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26.7
Birch 100.0 32.8 21.0 20.2 30.4 35.2 72.6 0.0 0.0 0.0 0.0 0.0
Poplar 45.1 34.4 10.6 7.1 13.7 19.2 22.3 38.5 76.1 0.0 0.0 0.0
Larch 0.0 0.0 48.3 45.4 36.7 43.6 58.9 68.3 76.3 76.8 71.7 0.0
Fir 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Pine 77.8 56.6 34.4 25.0 25.3 33.9 38.6 58.6 100.0 0.0 100.0 0.0
Spruce 43.0 42.7 11.9 8.6 1.8 11.1 14.0 18.7 24.6 72.9 41.6 0.0
Taiga Shield Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0
Other hardwoods 0.0 100.0 0.0 51.5 24.6 23.8 94.9 0.0 0.0 0.0 0.0 0.0
Birch 100.0 79.8 40.2 46.6 25.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 51.8 0.0 100.0 0.0 8.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Larch 100.0 0.0 100.1 77.9 79.2 0.0 0.0 100.0 0.0 0.0 0.0 0.0
Fir 0.0 0.0 100.0 34.2 77.4 12.8 55.7 84.9 0.0 0.0 0.0 0.0
Pine 61.4 100.0 90.9 0.0 0.0 38.9 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 56.1 62.1 70.8 6.2 4.5 2.4 3.2 61.1 0.0 0.0 0.0 0.0
Boreal Shield Unclassified 13.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.8
Unspecified hardwoods 8.5 15.7 73.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 25.9 17.4 14.5 13.4 23.8 22.2 35.3 72.5 70.7 0.0 0.0 0.0
Maple 30.4 16.8 8.8 10.3 8.4 14.6 17.3 29.0 59.9 100.0 100.0 0.0
Birch 13.9 8.1 5.2 5.0 6.0 11.4 23.4 71.9 59.6 88.8 100.0 0.0
Poplar 8.0 7.4 5.8 4.3 5.1 11.7 19.2 64.6 66.7 100.0 0.0 0.0
Unspecified conifers 6.1 9.0 20.8 71.6 75.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 60.1 22.6 16.6 13.8 13.1 17.5 21.0 24.8 70.4 96.9 0.0 0.0
Larch 11.4 14.2 12.1 12.2 12.9 22.4 18.7 26.5 43.5 0.0 0.0 0.0
Hemlock 0.0 0.0 46.0 37.5 26.1 44.3 54.3 49.1 100.0 97.6 65.5 0.0
Fir 18.4 9.4 7.6 6.6 7.2 12.3 29.0 37.9 62.2 70.5 100.0 0.0
Pine 7.2 7.4 7.2 5.4 5.4 11.3 18.9 24.0 58.0 100.0 0.0 0.0
Spruce 7.6 5.0 4.0 3.2 2.4 3.1 6.4 8.8 17.8 41.5 60.2 0.0
Atlantic Maritime Unclassified 46.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.6
Unspecified hardwoods 15.7 57.1 25.3 53.0 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 11.0 24.2 35.2 37.1 72.2 93.0 0.0 0.0 0.0 0.0 0.0 0.0
Maple 10.3 10.2 6.6 8.1 12.1 32.2 68.0 100.0 0.0 0.0 100.0 0.0
Birch 13.3 15.3 13.7 16.7 17.1 41.1 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 13.3 12.6 10.3 14.9 33.1 66.7 0.0 83.3 0.0 98.4 0.0 0.0
Unspecified conifers 8.6 21.1 76.8 80.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 51.7 48.2 19.5 18.3 16.4 24.2 48.6 100.0 0.0 0.0 0.0 0.0
Larch 24.4 20.2 20.2 30.7 40.8 61.8 0.0 99.6 0.0 0.0 0.0 0.0
Hemlock 84.8 59.0 57.7 39.8 42.1 0.0 100.3 0.0 0.0 0.0 0.0 0.0
Fir 8.8 6.8 6.4 9.6 16.7 30.1 49.4 100.0 0.0 0.0 0.0 0.0
Pine 24.5 29.2 31.1 23.0 43.9 48.4 100.0 0.0 0.0 0.0 0.0 0.0
Spruce 9.5 11.3 5.5 7.2 10.4 18.0 47.3 100.0 100.0 0.0 0.0 0.0
Mixedwood Plains Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26.7
Unspecified hardwoods 18.2 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 15.0 10.9 10.9 15.5 26.3 44.8 100.0 0.0 0.0 0.0 0.0 0.0
Maple 20.8 10.4 8.5 11.2 18.7 30.1 54.4 71.5 0.0 0.0 0.0 0.0
Birch 45.8 23.0 26.7 74.4 57.8 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 17.2 12.5 15.3 24.1 62.7 77.3 0.0 0.0 0.0 0.0 0.0 0.0
Unspecified conifers 23.5 49.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 26.8 19.6 14.7 18.3 34.7 54.4 70.8 0.0 0.0 0.0 0.0 0.0
Larch 38.7 38.1 41.2 82.9 70.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Hemlock 0.0 100.0 54.7 38.9 69.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Fir 49.7 23.0 23.5 59.0 58.6 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Pine 14.0 19.5 22.7 29.1 50.1 100.1 0.0 100.0 0.0 0.0 0.0 0.0
Spruce 26.3 18.7 20.5 48.7 55.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Boreal Plains Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.9
Other hardwoods 0.0 66.2 62.3 80.7 100.0 100.0 0.0 100.0 0.0 0.0 0.0 0.0
Maple 94.5 57.1 53.8 57.7 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 34.8 18.7 15.9 20.7 28.0 43.3 58.0 71.6 0.0 0.0 0.0 0.0
Poplar 12.0 8.5 5.5 5.8 7.5 9.3 14.6 25.6 53.8 100.0 0.0 0.0
Larch 46.2 20.3 15.0 10.2 12.0 14.1 16.1 36.9 34.5 65.7 0.0 0.0
Fir 99.4 55.3 54.7 35.2 45.8 31.8 48.2 77.0 89.6 100.0 87.9 0.0
Pine 13.6 14.6 10.4 10.5 10.9 11.4 17.3 29.7 69.0 64.6 100.0 0.0
Spruce 18.6 10.1 6.0 4.9 5.6 6.1 7.6 11.9 18.0 26.5 43.1 0.0
Prairies Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 34.3
Birch 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 78.4 95.8 21.9 13.5 15.2 72.5 0.0 100.0 0.0 0.0 0.0 0.0
Fir 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Pine 0.0 0.0 0.0 88.3 100.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 0.0 0.0 60.1 39.8 48.1 98.4 0.0 0.0 0.0 0.0 0.0 0.0
Taiga Cordillera Birch 100.0 63.0 84.4 15.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 0.0 69.6 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Fir 0.0 68.3 35.9 27.7 27.1 41.7 50.1 100.0 0.0 0.0 0.0 0.0
Pine 0.0 75.4 72.0 71.2 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 99.7 21.8 26.3 26.2 37.9 5.4 43.8 65.3 100.0 0.0 0.0 0.0
Boreal Cordillera Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 35.4
Birch 46.2 21.1 31.4 46.3 51.7 86.0 100.0 0.0 0.0 0.0 0.0 0.0
Poplar 49.2 16.3 18.4 17.7 25.6 27.1 45.8 51.8 57.8 0.0 60.9 0.0
Fir 100.0 57.2 30.8 20.5 18.3 20.5 20.5 18.7 20.6 27.6 10.7 0.0
Pine 89.9 20.4 19.7 20.3 16.0 18.8 18.9 21.5 24.2 65.5 30.8 0.0
Spruce 55.6 15.8 12.2 9.6 7.6 8.0 14.8 15.8 15.4 31.3 11.2 0.0
Pacific Maritime Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.8
Unspecified hardwoods 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 75.9 30.6 21.5 21.0 43.8 71.1 100.0 100.1 0.0 0.0 0.0 0.0
Maple 0.0 47.2 65.3 64.1 69.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 70.3 58.5 70.7 49.9 55.5 51.5 100.0 0.0 0.0 0.0 0.0 0.0
Poplar 0.0 47.8 40.6 37.2 49.9 61.0 44.5 53.0 52.4 100.0 90.6 0.0
Cedar & other conifers 57.3 32.5 42.0 46.5 39.8 41.7 66.8 69.0 34.2 43.8 9.1 0.0
Douglas-fir 61.8 22.5 22.6 21.8 25.2 21.8 29.6 39.9 29.3 50.9 21.9 0.0
Hemlock 41.0 17.4 18.2 18.8 20.6 20.5 29.7 21.1 22.5 21.5 6.2 0.0
Fir 38.0 25.7 39.3 32.9 36.1 34.1 37.1 31.9 33.2 49.2 11.0 0.0
Pine 68.8 59.6 47.2 51.0 44.5 42.1 60.1 76.0 59.6 70.8 56.4 0.0
Spruce 55.1 32.1 70.6 55.3 59.3 62.3 67.8 55.0 57.5 42.0 22.2 0.0
Montane Cordillera Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.6
Other hardwoods 0.0 100.0 0.0 0.0 0.0 0.0 0.0 99.9 99.9 0.0 0.0 0.0
Birch 53.7 37.8 34.3 31.4 24.2 37.1 49.3 100.0 0.0 0.0 0.0 0.0
Poplar 35.6 24.2 22.1 17.0 15.9 14.8 18.2 21.6 35.3 47.3 53.7 0.0
Cedar & other conifers 51.0 42.3 47.4 42.4 78.2 32.7 56.3 49.5 62.0 60.0 20.1 0.0
Larch 61.0 49.7 41.5 31.9 28.0 27.2 36.3 35.4 47.0 44.4 32.3 0.0
Douglas-fir 28.7 19.8 20.6 13.1 14.2 10.4 12.3 12.4 16.9 20.8 13.1 0.0
Hemlock 86.1 50.6 49.6 43.7 35.1 34.9 42.6 35.6 40.7 43.4 17.4 0.0
Fir 41.0 24.6 20.0 22.0 13.9 12.6 11.7 11.8 11.4 12.4 7.6 0.0
Pine 13.4 12.8 15.9 9.0 7.9 7.8 7.5 9.2 13.3 15.7 14.7 0.0
Spruce 23.0 15.3 27.7 13.9 10.9 11.2 9.3 10.4 10.2 12.7 7.6 0.0
Hudson Plains Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12.5
Birch 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 100.4 0.0 0.0 34.9 0.0 39.9 0.0 0.0 0.0 0.0 0.0 0.0
Unspecified conifers 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Larch 96.6 0.0 100.4 100.0 100.0 65.7 0.0 100.0 0.0 0.0 0.0 0.0
Fir 0.0 0.0 0.0 100.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Pine 87.4 72.3 81.9 53.2 58.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 58.7 73.9 34.2 37.1 3.8 5.0 49.8 84.4 0.0 0.0 0.0 0.0
Canada Unclassified 13.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.4
Unspecified hardwoods 7.3 16.8 26.5 47.4 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 8.9 10.4 8.1 9.0 15.4 17.7 31.6 67.9 59.6 0.0 0.0 0.0
Maple 9.3 6.8 4.7 5.7 6.9 13.3 16.7 28.3 59.9 100.0 85.1 0.0
Birch 9.4 6.9 4.5 4.5 5.4 10.1 20.5 65.8 59.6 88.8 100.0 0.0
Poplar 5.9 4.8 3.5 2.9 3.5 6.3 9.9 19.4 27.8 54.5 48.3 0.0
Unspecified conifers 5.1 8.2 20.7 63.1 75.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 27.3 13.1 9.5 9.4 9.8 12.9 17.7 21.0 28.5 35.5 8.3 0.0
Larch 10.8 10.6 8.7 7.8 9.0 10.7 11.9 17.7 30.2 33.4 29.5 0.0
Douglas-fir 31.5 15.1 15.9 11.4 12.4 9.4 11.4 11.9 14.7 19.3 11.3 0.0
Hemlock 38.3 16.4 15.4 15.7 14.8 16.8 24.4 17.5 20.4 20.5 5.9 0.0
Fir 7.7 5.2 4.8 5.2 5.6 7.2 9.2 9.3 9.7 11.0 5.4 0.0
Pine 5.7 5.7 5.2 4.1 4.1 5.3 6.3 8.1 11.5 14.8 13.4 0.0
Spruce 5.6 4.0 2.8 2.2 1.3 1.6 2.5 5.3 7.1 10.4 6.1 0.0
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. The total area amounts to 262,189.89 thousand ha.
1 Missing or unknown age class.