Table 15.4a. Relative standard errors (%) of total tree volume on forest land by forest type, age class and managed forest region in Canada.
Managed forests Forest type Age (years) Total
1-20 21-40 41-60 61-80 81-100 101-120 121-140 141-160 161-180 181-200 201+ Other1
0 Non-treed 110.73 99.47 66.79 84.71 - - - - - - - 0.00 48.85
Treed Mixedwood 38.65 38.56 32.88 48.63 90.35 73.17 84.94 74.84 - - 97.06 - 53.62
Treed Broadleaf 62.94 53.05 26.22 46.53 59.61 97.15 99.24 - - - 100.99 - 64.68
Treed Coniferous 54.53 23.65 21.83 37.94 31.39 27.37 30.41 46.26 50.79 35.43 10.03 - 9.72
Subtotal 41.39 34.46 15.48 25.50 59.91 86.02 29.13 45.41 50.79 35.43 10.03 0.00 27.08
11 Non-treed 43.37 64.02 43.54 42.62 30.27 29.45 60.18 58.79 99.73 89.12 99.98 0.00 18.12
Treed Broadleaf 7.91 5.43 5.66 5.13 4.85 7.73 13.80 20.31 39.95 55.48 43.85 - 2.56
Treed Mixedwood 5.63 4.22 4.40 3.94 4.01 7.43 7.40 10.00 20.16 38.59 21.98 - 1.92
Treed Coniferous 5.51 3.70 3.93 3.31 2.89 3.74 3.31 4.88 5.84 7.39 4.78 - 1.53
Subtotal 3.57 2.51 2.67 2.35 2.13 3.05 3.01 4.40 5.57 7.25 4.75 0.00 1.17
12 Non-treed 58.14 63.60 80.97 73.25 71.10 99.82 - - - - - 0.00 48.99
Treed Mixedwood 19.27 13.35 13.03 12.03 12.05 24.06 23.39 55.27 67.68 99.82 56.41 - 6.29
Treed Broadleaf 18.19 18.16 16.44 11.01 14.39 28.21 36.27 53.92 82.70 99.43 96.23 - 6.59
Treed Coniferous 15.79 8.94 8.75 7.75 7.41 11.09 11.52 14.43 18.23 25.63 22.06 - 3.67
Subtotal 10.33 7.28 6.80 5.65 5.94 9.57 10.12 14.38 17.55 24.89 21.78 0.00 2.92
13 Non-treed 66.53 46.07 77.56 44.70 33.83 39.67 99.99 99.99 - - - 0.00 21.37
Treed Broadleaf 13.94 15.51 14.56 13.67 9.17 9.54 39.23 60.02 - 66.64 - - 5.55
Treed Mixedwood 11.44 8.92 9.12 9.50 7.61 6.55 9.02 46.25 79.67 65.27 100.03 - 3.69
Treed Coniferous 9.20 4.91 4.15 4.32 3.78 2.79 3.06 4.43 20.48 33.28 19.67 - 1.50
Subtotal 6.55 4.30 3.77 3.77 3.17 2.57 2.96 4.41 20.21 27.26 19.44 0.00 1.36
20 Non-treed 76.01 87.20 81.38 - 89.70 91.51 100.32 - - - - 0.00 46.28
Treed Broadleaf 17.85 14.24 10.89 10.76 10.72 18.13 33.60 36.97 68.00 86.00 60.39 - 5.40
Treed Mixedwood 23.39 10.62 10.33 7.63 10.83 14.64 20.67 27.71 39.19 49.41 60.86 - 4.64
Treed Coniferous 15.21 8.67 7.21 6.09 5.88 6.25 6.49 11.66 16.14 15.58 8.93 - 3.12
Subtotal 10.68 6.27 5.23 4.55 4.66 5.56 6.14 10.94 15.75 15.20 8.87 0.00 2.56
31 Non-treed - - - - - - - - - - - 0.00 0.00
Treed Mixedwood 95.64 32.28 31.84 27.92 27.74 37.53 40.10 80.76 99.59 - - - 15.54
Treed Broadleaf 27.60 27.87 20.51 44.89 54.37 45.83 99.74 - - - - - 21.39
Treed Coniferous 56.60 23.11 33.74 19.57 22.37 27.33 39.03 30.84 65.05 78.14 31.61 - 9.97
Subtotal 24.09 16.99 19.33 20.76 22.22 20.18 33.81 30.72 63.92 78.14 31.61 0.00 8.65
32 Non-treed 93.01 97.98 95.80 99.06 70.47 - - - - - - 0.00 80.36
Treed Mixedwood 38.48 26.30 23.50 29.12 32.87 40.53 39.73 98.99 - - 98.38 - 14.93
Treed Broadleaf 34.93 17.14 19.40 29.57 31.89 38.27 68.20 99.14 - 99.54 - - 10.64
Treed Coniferous 40.51 37.78 25.59 24.55 12.31 24.45 27.75 43.11 50.53 57.43 35.01 - 9.79
Subtotal 28.05 16.76 13.17 16.08 13.48 19.04 21.94 38.53 50.53 49.80 33.77 0.00 6.54
33 Non-treed 56.93 77.93 62.70 80.07 99.90 60.62 99.81 99.69 - - - 0.00 36.09
Treed Mixedwood 25.08 23.58 24.15 20.19 21.80 28.00 28.76 30.66 51.82 100.22 51.98 - 9.16
Treed Broadleaf 22.32 20.06 20.87 18.98 20.50 30.01 37.33 59.74 74.83 85.37 66.18 - 9.37
Treed Coniferous 21.94 14.00 16.66 11.18 11.78 14.94 10.38 15.83 17.66 17.07 12.20 - 5.07
Subtotal 13.69 10.82 11.72 8.70 9.59 12.41 9.87 14.68 17.18 16.73 12.12 0.00 4.32
40 Non-treed - 100.76 81.68 79.75 88.98 - 90.40 - - - - 0.00 64.10
Treed Broadleaf 34.55 37.56 38.36 59.00 25.16 18.53 76.68 70.82 - - - - 16.45
Treed Mixedwood 37.82 48.40 33.75 31.32 28.69 18.89 24.87 57.43 96.31 - - - 12.84
Treed Coniferous 32.97 20.19 18.07 18.74 19.51 8.32 13.04 23.18 61.37 65.22 32.69 - 6.38
Subtotal 21.20 21.99 14.88 17.37 14.35 7.44 12.26 20.85 59.94 65.22 32.69 0.00 5.49
50 Non-treed 32.02 49.66 33.65 53.03 58.37 99.98 - - - - - 0.00 22.00
Treed Mixedwood 8.18 5.71 4.11 5.46 7.23 12.87 23.06 27.19 63.60 57.92 97.46 - 2.67
Treed Coniferous 10.57 7.87 8.97 8.30 10.04 11.70 24.83 20.21 25.68 36.87 24.48 - 4.37
Treed Broadleaf 6.95 5.29 4.79 4.89 6.15 12.83 22.96 31.91 60.10 72.01 57.75 - 2.58
Subtotal 4.74 3.67 3.38 3.47 4.36 7.31 17.16 14.65 23.45 33.53 23.72 0.00 1.89
100 Non-treed 77.11 85.34 89.17 100.34 55.97 97.58 97.77 - - - - 0.00 68.25
Treed Broadleaf 26.57 14.35 13.52 14.00 12.99 33.01 28.60 41.71 84.24 59.03 60.06 - 7.19
Treed Mixedwood 22.38 13.22 9.73 10.07 10.54 22.07 19.28 35.80 59.53 57.42 59.31 - 5.26
Treed Coniferous 23.71 11.16 8.94 10.05 8.64 8.98 7.44 12.19 38.12 28.56 15.73 - 3.47
Subtotal 14.51 8.17 6.31 6.92 6.34 8.29 6.84 11.19 34.34 24.39 15.09 0.00 2.76
Canada Non-treed 29.88 43.36 42.23 34.28 22.20 23.23 47.92 51.47 99.73 89.12 99.98 0.00 13.29
Treed Broadleaf 4.86 3.46 3.28 3.32 3.25 8.37 10.87 16.23 35.30 31.79 33.40 - 1.77
Treed Mixedwood 4.19 3.02 2.85 2.71 3.35 4.21 5.39 8.79 16.92 32.56 20.50 - 1.39
Treed Coniferous 4.00 2.49 2.45 2.17 1.95 1.96 2.02 3.17 5.08 5.88 3.80 - 0.96
Subtotal 2.50 1.72 1.66 1.54 1.49 1.78 1.89 2.95 4.86 5.71 3.77 0.00 0.76
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data< (Version 3, November 2023) (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.
Managed forest
Code Description
0 Not available
11 Long term volume or area based Crown timber dispositions
12 Short term volume or area based Crown timber dispositions
13 No current Crown timber dispostions
20 Legal protection status (IUCN class IA, IB, II, III, IV, V, VI equivalent)
31 Reserved by the Federal government for military or other purposes
32 Reserved by the Federal government under the Indian Act
33 Reserved or designated restricted use by provincial or territorial government
40 Aboriginal lands
50 Privately-owned lands
100 Water