Table 16.1a. Relative standard errors (%) of total tree volume 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 0.0
Birch 20.1 25.2 23.1 18.0 20.2 39.7 39.5 56.7 53.2 0.0 89.9 0.0
Poplar 24.6 17.0 16.6 12.3 8.5 16.6 20.9 27.9 55.7 74.6 0.0 0.0
Larch 35.0 20.1 20.3 14.7 15.6 16.6 30.2 45.2 45.6 60.2 71.0 0.0
Fir 0.0 100.0 73.4 75.0 74.5 91.4 100.0 0.0 0.0 0.0 0.0 0.0
Pine 22.2 14.5 16.7 18.3 17.0 32.9 27.3 41.7 88.1 100.0 100.0 0.0
Spruce 25.3 13.0 9.9 7.0 6.1 3.4 10.2 14.5 18.7 43.5 36.8 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 0.0
Other hardwoods 0.0 0.0 100.0 51.9 27.9 25.2 94.7 0.0 0.0 0.0 0.0 0.0
Maple 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 24.5 27.0 25.4 29.0 22.6 45.8 100.1 0.0 0.0 0.0 0.0 0.0
Poplar 29.9 26.4 47.3 30.8 40.6 8.8 78.8 0.0 0.0 0.0 0.0 0.0
Unspecified conifers 0.0 0.0 100.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Larch 33.0 19.7 10.7 19.8 32.2 28.3 55.8 45.1 52.0 63.1 60.1 0.0
Fir 100.0 46.2 66.0 38.6 45.9 28.1 15.8 49.5 86.1 0.0 0.0 0.0
Pine 19.5 14.1 17.0 15.7 26.1 40.0 37.1 100.0 0.0 0.0 0.0 0.0
Spruce 30.8 11.4 8.0 8.0 5.5 5.3 3.4 6.1 36.1 60.2 20.5 0.0
Boreal Shield Unclassified 63.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Unspecified hardwoods 9.3 15.2 27.6 45.8 28.9 100.0 99.5 0.0 0.0 0.0 0.0 0.0
Other hardwoods 32.4 19.0 15.2 14.8 18.3 31.1 44.2 54.5 66.9 0.0 0.0 0.0
Maple 29.9 13.2 8.9 10.1 8.9 16.9 35.5 42.2 84.7 0.0 0.0 0.0
Birch 9.2 6.2 5.7 6.1 6.2 15.1 17.7 49.3 72.6 68.0 0.0 0.0
Poplar 7.9 5.9 5.2 5.4 6.1 13.9 25.8 34.6 0.0 70.9 100.0 0.0
Unspecified conifers 8.0 8.6 22.7 35.6 38.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 76.0 35.7 17.3 17.2 12.9 17.2 19.8 36.3 56.1 0.0 0.0 0.0
Larch 18.1 10.2 9.8 9.1 13.1 12.3 17.2 21.9 67.0 83.5 0.0 0.0
Hemlock 0.0 84.0 34.3 31.7 20.0 54.6 38.8 100.0 100.0 0.0 0.0 0.0
Fir 14.7 6.7 5.9 7.5 5.2 13.5 13.0 36.3 46.9 64.1 89.3 0.0
Pine 7.4 5.4 5.4 5.7 6.0 13.8 15.8 32.6 68.7 100.0 0.0 0.0
Spruce 10.0 4.5 3.4 3.1 2.8 4.5 3.7 9.5 20.2 37.3 66.9 0.0
Atlantic Maritime Unclassified 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Unspecified hardwoods 13.5 17.7 30.5 62.6 48.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 27.1 14.5 49.3 36.5 52.1 98.7 0.0 0.0 0.0 0.0 0.0 0.0
Maple 17.8 11.7 9.2 7.5 9.9 17.9 36.5 84.3 100.0 0.0 100.0 0.0
Birch 16.6 13.0 12.5 13.3 14.4 22.2 100.0 0.0 0.0 0.0 0.0 0.0
Poplar 16.6 13.1 11.5 11.0 20.0 29.0 0.0 100.0 0.0 0.0 0.0 0.0
Unspecified conifers 14.5 13.4 22.1 41.9 43.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 45.3 34.6 23.6 21.5 15.5 19.7 32.2 79.5 0.0 0.0 0.0 0.0
Larch 37.1 22.7 17.0 22.5 28.5 54.0 100.0 0.0 0.0 0.0 0.0 0.0
Hemlock 100.0 100.0 47.9 34.5 43.8 73.9 100.3 98.7 0.0 0.0 0.0 0.0
Fir 14.3 7.8 6.5 8.3 12.3 17.5 56.9 38.7 0.0 0.0 0.0 0.0
Pine 41.9 25.0 27.1 24.0 24.0 46.6 58.5 0.0 0.0 0.0 0.0 0.0
Spruce 13.0 9.4 7.0 6.0 8.3 13.4 34.4 41.7 100.0 98.7 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 0.0
Unspecified hardwoods 26.9 22.5 30.5 59.6 39.5 100.2 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 32.0 14.6 13.7 13.6 20.3 46.6 68.7 0.0 0.0 0.0 0.0 0.0
Maple 37.9 13.9 10.5 10.9 15.6 34.6 41.1 57.4 100.0 0.0 0.0 0.0
Birch 37.3 21.1 19.3 42.7 63.9 98.5 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 25.0 17.7 14.8 22.3 51.8 62.7 0.0 0.0 0.0 0.0 0.0 0.0
Unspecified conifers 39.5 37.4 44.4 88.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 70.5 23.7 16.2 18.3 25.6 43.8 52.4 100.0 0.0 0.0 0.0 0.0
Larch 67.4 40.5 40.8 50.1 48.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Hemlock 0.0 0.0 45.9 64.6 32.9 71.3 0.0 0.0 0.0 0.0 0.0 0.0
Fir 59.8 36.2 26.9 38.8 99.9 82.8 100.0 0.0 0.0 0.0 0.0 0.0
Pine 52.4 21.1 23.1 23.6 41.3 82.0 70.9 100.0 0.0 0.0 0.0 0.0
Spruce 38.8 23.3 21.1 32.1 50.9 0.0 86.0 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 0.0
Unspecified hardwoods 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 97.3 38.4 48.7 88.2 0.0 100.0 0.0 0.0 100.0 0.0 0.0 0.0
Maple 100.0 43.7 90.8 51.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 25.7 19.6 16.2 15.8 26.5 47.5 49.4 87.7 0.0 0.0 0.0 0.0
Poplar 9.9 7.2 8.2 5.2 6.2 7.9 12.2 25.4 45.2 70.8 0.0 0.0
Cedar & other conifers 87.0 100.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Larch 53.0 14.7 11.0 9.0 8.9 10.7 12.5 18.3 31.2 44.1 72.8 0.0
Fir 100.0 48.6 33.9 47.2 59.5 46.9 68.8 95.8 100.0 100.0 85.2 0.0
Pine 15.0 10.3 12.7 10.6 10.9 12.5 17.5 22.4 40.4 100.0 100.0 0.0
Spruce 20.1 9.1 7.6 5.1 5.4 6.4 6.4 10.5 15.2 39.7 40.0 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 0.0
Other hardwoods 77.8 70.9 99.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Maple 33.8 43.7 78.4 98.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 50.1 44.1 80.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 14.4 10.8 20.5 27.7 53.2 79.5 0.0 100.0 0.0 0.0 0.0 0.0
Larch 0.0 58.1 100.0 100.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Douglas-fir 0.0 0.0 100.0 100.0 100.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Fir 100.0 100.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Pine 80.4 96.5 77.8 43.8 61.1 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 79.2 91.5 54.3 46.5 73.7 72.2 100.0 96.1 0.0 0.0 0.0 0.0
Taiga Cordillera Unclassified 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 65.5 74.9 77.1 36.5 17.4 65.9 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 99.9 83.8 37.2 67.0 71.8 78.4 100.0 0.0 0.0 0.0 0.0 0.0
Larch 99.9 40.5 41.2 85.1 75.7 89.8 94.5 76.7 99.9 0.0 0.0 0.0
Fir 0.0 97.6 52.6 41.0 30.9 38.3 37.7 51.8 99.1 0.0 0.0 0.0
Pine 0.0 99.9 66.2 68.4 67.0 76.8 100.0 0.0 0.0 0.0 0.0 0.0
Spruce 59.8 42.1 39.0 16.2 21.4 12.3 8.0 38.5 51.8 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 0.0
Birch 0.0 50.7 48.7 25.0 53.4 49.7 66.9 47.5 70.6 0.0 0.0 0.0
Poplar 37.4 22.3 24.1 28.3 17.6 24.6 55.1 65.6 38.6 100.0 58.7 0.0
Larch 97.9 43.1 57.5 30.9 43.7 43.2 38.8 71.4 0.0 0.0 0.0 0.0
Fir 86.1 41.8 30.9 41.7 21.3 19.9 18.9 18.3 21.9 33.5 20.9 0.0
Pine 44.7 32.1 22.3 27.2 19.0 15.9 18.9 25.6 27.8 62.2 33.7 0.0
Spruce 37.4 22.7 24.5 14.2 11.3 9.2 10.1 11.3 15.5 26.8 14.6 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 0.0
Unspecified hardwoods 100.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 75.0 41.1 22.8 27.3 38.4 46.7 82.7 100.2 100.0 100.0 55.2 0.0
Maple 0.0 47.4 65.1 38.3 85.2 99.2 100.0 0.0 0.0 0.0 85.6 0.0
Birch 86.8 60.8 81.8 70.0 55.7 52.5 79.5 99.6 0.0 0.0 100.0 0.0
Poplar 0.0 66.1 41.1 55.1 38.9 42.3 40.2 45.4 63.1 53.9 89.7 0.0
Cedar & other conifers 31.7 30.2 42.0 43.4 38.2 37.7 34.3 47.8 30.6 25.5 9.1 0.0
Douglas-fir 33.6 34.0 24.1 25.2 27.7 28.4 39.7 33.9 40.9 36.7 28.4 0.0
Hemlock 23.8 17.0 17.2 24.1 23.0 21.8 17.8 30.5 19.3 20.0 6.7 0.0
Fir 33.2 27.7 36.7 43.8 31.2 40.7 49.0 28.4 34.6 33.8 11.5 0.0
Pine 100.0 70.0 60.7 40.8 51.8 42.5 50.4 86.1 86.1 42.2 27.8 0.0
Spruce 0.0 50.8 55.9 72.5 47.8 46.2 52.9 51.4 47.2 51.0 20.8 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 0.0
Other hardwoods 0.0 0.0 74.0 0.0 0.0 0.0 0.0 99.9 0.0 99.9 0.0 0.0
Birch 60.8 44.4 48.8 40.7 27.2 39.4 35.1 51.1 90.7 99.5 100.0 0.0
Poplar 29.3 24.0 24.2 18.9 15.9 29.2 16.0 27.7 39.5 60.8 48.1 0.0
Cedar & other conifers 43.5 58.4 43.3 41.5 37.0 39.0 36.8 30.8 50.3 41.7 22.5 0.0
Larch 58.0 50.4 68.9 33.3 29.6 29.2 27.3 40.2 39.3 51.2 28.6 0.0
Douglas-fir 38.6 27.5 24.4 17.3 15.4 12.7 12.1 14.2 15.9 20.1 14.1 0.0
Hemlock 62.5 52.4 53.4 52.9 32.6 32.3 31.6 30.2 34.6 45.3 17.9 0.0
Fir 34.0 34.4 23.9 21.6 17.7 15.1 10.8 12.0 13.1 12.0 8.9 0.0
Pine 32.6 11.8 19.4 11.6 9.0 8.3 8.6 11.0 18.9 17.6 14.9 0.0
Spruce 42.6 21.3 21.8 15.2 11.7 10.3 9.4 9.1 10.5 11.4 8.1 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 0.0
Other hardwoods 0.0 100.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 49.8 64.5 72.0 77.6 100.0 60.6 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 56.5 55.9 36.6 44.1 68.8 53.3 62.7 0.0 0.0 0.0 0.0 0.0
Unspecified conifers 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 0.0 0.0 100.0 100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.0 0.0
Larch 51.4 18.6 14.6 24.8 29.7 47.2 31.1 37.2 87.5 100.0 0.0 0.0
Fir 100.0 36.7 37.4 52.6 100.0 71.3 0.0 0.0 0.0 0.0 0.0 0.0
Pine 34.9 23.1 28.7 65.7 71.2 55.1 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 47.1 15.2 10.4 11.6 8.4 8.6 11.6 26.7 75.6 100.0 0.0 0.0
Canada Unclassified 63.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Unspecified hardwoods 8.1 11.8 17.5 48.9 23.5 65.3 99.5 0.0 0.0 0.0 0.0 0.0
Other hardwoods 19.8 13.8 12.6 10.7 14.3 25.0 41.6 48.7 61.3 95.5 55.2 0.0
Maple 14.6 8.0 5.7 5.9 6.6 11.8 29.1 34.1 76.5 0.0 81.3 0.0
Birch 6.8 5.1 5.2 5.0 5.2 11.1 15.2 26.7 39.9 56.2 62.7 0.0
Poplar 5.6 3.9 4.1 3.5 3.7 6.0 9.4 15.1 31.5 31.5 36.2 0.0
Unspecified conifers 6.9 7.3 17.2 31.0 28.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 29.3 16.1 15.9 13.7 10.0 12.9 14.4 30.5 26.1 22.8 8.5 0.0
Larch 16.7 6.5 5.7 5.5 7.4 8.3 10.2 14.0 22.8 36.5 26.0 0.0
Douglas-fir 26.5 26.8 21.0 21.2 14.0 12.0 12.9 13.2 15.5 18.1 15.1 0.0
Hemlock 23.3 16.8 16.0 21.1 17.7 17.4 14.9 22.1 16.9 24.2 6.3 0.0
Fir 10.0 4.9 4.3 5.2 4.6 8.0 7.5 9.2 10.8 10.7 6.9 0.0
Pine 5.9 3.9 4.4 4.6 4.7 5.7 6.4 9.0 14.5 17.7 13.4 0.0
Spruce 7.3 3.2 2.7 2.2 2.1 2.1 2.2 3.8 6.8 9.5 6.3 0.0
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 1, July 2021) (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.