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 100.0 33.0 23.9 23.2 34.7 37.4 71.9 0.0 0.0 0.0 0.0 0.0
Poplar 50.9 48.5 11.3 7.2 13.8 20.5 24.2 45.6 80.3 0.0 0.0 0.0
Larch 0.0 0.0 89.5 46.3 38.3 54.5 75.9 58.7 79.4 71.6 73.5 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 74.4 75.6 33.7 24.2 26.3 35.4 36.8 56.5 100.0 0.0 100.0 0.0
Spruce 59.0 29.5 12.9 10.6 2.1 12.1 14.4 21.5 26.4 79.8 45.1 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 0.0 100.0 0.0 51.4 26.1 24.1 94.9 0.0 0.0 0.0 0.0 0.0
Birch 100.0 65.9 43.3 46.6 25.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 51.9 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 70.5 83.9 0.0 0.0 100.0 0.0 0.0 0.0 0.0
Fir 0.0 0.0 100.0 36.9 89.8 12.6 56.1 86.3 0.0 0.0 0.0 0.0
Pine 64.2 100.0 96.2 0.0 0.0 38.9 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 60.0 67.0 82.5 6.4 4.6 2.6 3.9 57.0 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 0.0
Unspecified hardwoods 8.6 15.9 77.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 28.3 17.8 16.0 14.3 25.2 24.9 36.8 66.3 76.8 0.0 0.0 0.0
Maple 33.7 20.6 9.2 10.5 8.6 15.1 18.0 28.6 60.8 100.0 100.0 0.0
Birch 22.0 8.6 5.3 5.2 6.1 11.0 21.6 73.1 57.8 89.9 100.0 0.0
Poplar 10.1 7.8 6.2 4.3 5.2 13.1 20.6 65.8 66.5 100.0 0.0 0.0
Unspecified conifers 6.1 8.9 20.8 70.4 86.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 49.0 27.5 18.9 14.0 13.7 18.2 21.8 25.7 50.4 97.6 0.0 0.0
Larch 13.0 16.4 17.7 12.8 18.1 24.6 25.3 31.5 62.2 0.0 0.0 0.0
Hemlock 0.0 0.0 56.6 34.8 26.2 45.8 54.9 49.8 100.0 98.2 66.4 0.0
Fir 24.8 9.2 7.9 6.8 6.8 12.4 30.7 41.2 52.7 81.6 100.0 0.0
Pine 9.6 7.9 7.5 5.7 5.7 12.2 19.0 30.9 56.2 100.0 0.0 0.0
Spruce 11.7 6.3 4.6 3.4 2.5 3.2 6.7 10.2 24.2 46.2 70.0 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 0.0
Unspecified hardwoods 15.1 59.9 29.9 61.2 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 12.7 27.2 36.0 40.4 73.2 87.6 0.0 0.0 0.0 0.0 0.0 0.0
Maple 12.8 11.5 7.1 8.6 12.4 25.8 68.0 100.0 0.0 0.0 100.0 0.0
Birch 13.8 15.4 13.2 18.4 17.8 44.5 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 15.5 12.9 10.5 14.1 34.5 66.9 0.0 80.6 0.0 98.4 0.0 0.0
Unspecified conifers 10.5 21.3 75.3 86.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 52.3 45.8 18.3 18.2 17.4 24.4 56.4 100.0 0.0 0.0 0.0 0.0
Larch 33.8 22.5 21.8 33.9 39.9 62.9 0.0 99.6 0.0 0.0 0.0 0.0
Hemlock 71.6 59.0 55.5 37.0 39.7 0.0 100.3 0.0 0.0 0.0 0.0 0.0
Fir 9.6 7.1 6.6 10.4 16.3 30.4 56.0 100.0 0.0 0.0 0.0 0.0
Pine 28.0 33.8 31.8 23.5 50.0 53.7 100.0 0.0 0.0 0.0 0.0 0.0
Spruce 11.6 12.1 5.8 7.5 11.0 19.2 49.8 100.0 100.0 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 0.0
Unspecified hardwoods 18.4 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 15.8 11.4 11.0 16.8 27.5 45.6 100.0 0.0 0.0 0.0 0.0 0.0
Maple 28.8 12.0 9.6 12.0 19.6 30.5 51.8 70.9 0.0 0.0 0.0 0.0
Birch 48.0 21.8 27.6 71.0 60.6 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 21.1 11.7 16.2 24.9 58.0 76.0 0.0 0.0 0.0 0.0 0.0 0.0
Unspecified conifers 23.1 50.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 26.4 18.3 15.6 17.5 34.1 52.4 77.2 0.0 0.0 0.0 0.0 0.0
Larch 36.2 39.7 40.8 82.2 73.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Hemlock 0.0 100.0 60.9 40.8 77.5 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Fir 65.0 25.8 23.9 56.2 57.2 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Pine 17.1 22.9 23.4 28.6 51.8 100.1 0.0 100.0 0.0 0.0 0.0 0.0
Spruce 33.0 19.9 22.3 47.8 63.2 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 77.2
Other hardwoods 0.0 77.6 66.2 80.7 100.0 100.0 0.0 100.0 0.0 0.0 0.0 0.0
Maple 86.9 55.8 66.0 62.2 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 50.0 25.5 19.7 22.8 29.8 53.2 52.7 74.9 0.0 0.0 0.0 0.0
Poplar 13.1 9.8 6.1 6.3 7.9 9.3 15.3 26.6 54.6 100.0 0.0 0.0
Larch 43.6 27.4 16.6 11.3 11.3 12.6 17.5 40.4 32.0 67.2 0.0 0.0
Fir 82.7 58.0 53.0 33.7 50.0 31.1 52.7 80.0 85.1 100.0 90.4 0.0
Pine 19.8 16.9 11.3 10.4 10.8 11.9 17.7 28.6 70.5 61.9 100.0 0.0
Spruce 18.9 17.2 9.7 7.5 8.1 6.5 8.7 12.8 17.3 29.6 39.0 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
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 100.0 98.5 21.3 13.3 15.1 73.8 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 87.2 100.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 0.0 0.0 48.0 43.7 47.0 98.3 0.0 0.0 0.0 0.0 0.0 0.0
Taiga Cordillera Birch 100.0 63.0 81.0 14.9 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Poplar 0.0 66.4 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Fir 0.0 58.0 50.3 40.6 27.4 39.9 50.1 100.0 0.0 0.0 0.0 0.0
Pine 0.0 75.4 85.9 78.2 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 98.4 30.2 42.3 33.6 34.2 5.5 43.5 63.7 100.0 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 0.0
Birch 46.2 50.2 30.5 49.3 60.7 70.8 100.0 0.0 0.0 0.0 0.0 0.0
Poplar 49.2 25.8 37.8 18.4 28.6 28.0 56.2 62.0 62.1 0.0 48.9 0.0
Fir 100.0 68.4 57.5 35.0 18.5 22.4 21.3 21.0 24.4 29.7 14.2 0.0
Pine 100.0 43.0 41.3 23.1 16.7 19.8 18.8 21.5 24.5 71.7 31.9 0.0
Spruce 64.6 66.4 32.4 11.9 8.8 8.6 15.2 16.0 17.0 27.7 12.8 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 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 70.7 33.7 23.0 21.5 47.7 67.0 100.0 100.1 0.0 0.0 0.0 0.0
Maple 0.0 65.3 61.0 69.3 72.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Birch 70.3 68.4 77.5 60.2 55.3 44.2 100.0 0.0 0.0 0.0 0.0 0.0
Poplar 0.0 44.9 51.1 40.0 47.1 58.0 43.4 54.0 51.5 100.0 95.5 0.0
Cedar & other conifers 67.7 34.4 48.9 35.3 48.1 37.2 77.2 56.2 41.1 43.9 9.5 0.0
Douglas-fir 67.2 48.2 23.7 25.3 25.8 23.3 37.4 37.6 32.8 56.4 25.5 0.0
Hemlock 66.3 20.3 19.6 20.9 25.4 25.4 31.4 25.8 22.7 20.9 6.7 0.0
Fir 72.9 35.4 47.3 34.5 38.6 38.7 38.3 36.1 39.2 48.1 10.8 0.0
Pine 62.9 67.2 45.9 53.8 48.9 42.7 62.1 80.5 76.5 91.8 39.0 0.0
Spruce 70.6 44.1 67.3 59.7 66.9 62.1 65.3 52.4 59.2 41.1 21.9 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 0.0 100.0 0.0 0.0 0.0 0.0 0.0 99.9 99.9 0.0 0.0 0.0
Birch 68.3 38.7 40.7 34.7 24.0 36.7 49.9 100.0 0.0 0.0 0.0 0.0
Poplar 63.3 28.3 27.0 18.8 17.6 16.0 20.5 22.6 33.7 52.5 58.8 0.0
Cedar & other conifers 51.0 47.5 54.8 45.5 75.3 34.0 53.7 57.7 58.8 60.7 21.1 0.0
Larch 77.2 47.4 44.5 25.9 27.8 29.1 34.5 36.1 57.1 48.6 35.6 0.0
Douglas-fir 52.7 24.7 25.6 14.7 15.9 11.7 12.8 13.6 15.8 22.8 12.5 0.0
Hemlock 86.1 63.4 50.0 50.3 39.4 35.9 36.4 36.3 41.3 47.6 17.3 0.0
Fir 61.7 34.0 23.0 33.4 16.5 15.0 13.4 14.1 13.1 14.0 8.3 0.0
Pine 47.3 21.2 16.0 9.3 8.2 8.2 7.9 9.9 13.2 16.5 14.2 0.0
Spruce 66.4 31.1 32.3 15.8 11.9 13.3 10.3 10.4 10.4 15.3 7.7 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
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 49.6 0.0 39.7 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 74.3 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 97.8 70.5 79.9 55.1 58.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Spruce 88.1 60.3 34.0 41.9 4.4 5.7 45.6 86.8 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 77.2
Unspecified hardwoods 7.4 17.5 29.2 61.1 99.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other hardwoods 11.6 10.2 10.8 9.6 19.6 24.4 32.6 54.1 66.8 0.0 0.0 0.0
Maple 12.2 8.1 5.0 6.1 7.1 14.0 17.4 27.9 60.8 100.0 86.9 0.0
Birch 13.8 7.1 4.6 4.6 5.5 9.9 18.9 65.6 57.8 89.9 100.0 0.0
Poplar 7.0 5.3 3.9 3.0 3.8 6.7 11.1 22.2 24.1 63.9 37.3 0.0
Unspecified conifers 5.3 8.2 20.6 55.2 86.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Cedar & other conifers 37.7 14.0 12.3 9.5 11.7 13.1 25.7 25.7 32.5 35.4 8.6 0.0
Larch 17.6 11.3 11.4 11.4 12.2 15.5 18.6 21.4 26.0 43.6 33.8 0.0
Douglas-fir 52.0 28.9 19.0 16.1 13.9 10.5 13.5 12.8 15.8 21.5 13.8 0.0
Hemlock 52.9 19.0 16.7 18.7 19.0 21.1 27.0 20.4 21.7 22.5 6.2 0.0
Fir 10.3 5.6 4.8 6.4 5.5 8.0 10.2 11.1 11.0 12.6 6.1 0.0
Pine 8.0 6.4 5.8 4.3 4.3 5.6 6.5 8.3 11.4 15.9 12.9 0.0
Spruce 7.8 5.3 3.7 2.7 1.5 1.8 3.0 5.7 7.7 12.6 6.2 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.