Terrestrial ecozone | IUCN category | Age (years) | Total | |||||||||||||||||||||||||||||||
1-20 | 21-40 | 41-60 | 61-80 | 81-100 | 101-120 | 121-140 | 141-160 | 161-180 | 181-200 | 201+ | Other2 | |||||||||||||||||||||||
Taiga Plains | NA | 114.35 | 234.40 | 1 355.65 | 3 510.96 | 24 458.46 | 992.12 | 740.13 | 456.32 | 81.51 | 28.95 | 51.56 | 66.72 | 32 091.13 | ||||||||||||||||||||
Ib | 0.00 | 3.81 | 79.05 | 133.81 | 27.75 | 0.93 | 2.75 | 1.74 | 9.24 | 0.00 | 0.01 | 0.00 | 259.09 | |||||||||||||||||||||
II | 1.10 | 5.63 | 154.18 | 130.29 | 700.00 | 14.06 | 0.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1 005.76 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.00 | 1.94 | 90.61 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 92.55 | |||||||||||||||||||||
V | 0.00 | 0.00 | 0.00 | 0.00 | 1.31 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.31 | |||||||||||||||||||||
Other | 0.00 | 0.00 | 0.00 | 11.91 | 139.41 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 151.32 | |||||||||||||||||||||
Subtotal | 115.45 | 243.84 | 1 588.88 | 3 788.92 | 25 417.55 | 1 007.11 | 743.36 | 458.06 | 90.75 | 28.95 | 51.57 | 66.72 | 33 601.17 | |||||||||||||||||||||
Taiga Shield | NA | 115.26 | 17.70 | 51.15 | 4 631.94 | 8 324.81 | 18 497.75 | 8 157.89 | 4.39 | 0.00 | 0.00 | 0.00 | 5 363.76 | 45 164.64 | ||||||||||||||||||||
Ib | 0.00 | 0.00 | 0.00 | 0.00 | 15.64 | 391.70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 195.68 | 603.02 | |||||||||||||||||||||
II | 0.00 | 0.00 | 0.00 | 0.00 | 99.12 | 338.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | < 0.01 | 437.61 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.00 | 0.00 | 29.93 | 21.41 | 1.35 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 52.69 | |||||||||||||||||||||
V | 0.00 | 0.00 | 0.00 | 0.00 | 0.63 | 34.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 34.92 | |||||||||||||||||||||
Subtotal | 115.26 | 17.70 | 51.15 | 4 631.94 | 8 470.13 | 19 283.63 | 8 159.24 | 4.39 | 0.00 | 0.00 | 0.00 | 5 559.44 | 46 292.88 | |||||||||||||||||||||
Boreal Shield | NA | 11 768.64 | 11 632.16 | 14 932.24 | 23 723.80 | 30 422.28 | 16 125.14 | 3 496.30 | 1 597.77 | 311.18 | 57.79 | 1.72 | 8 375.69 | 122 444.72 | ||||||||||||||||||||
Ia | 17.02 | 30.68 | 27.86 | 33.27 | 30.77 | 62.06 | 2.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 204.04 | |||||||||||||||||||||
Ib | 45.81 | 108.03 | 201.97 | 946.81 | 633.10 | 126.39 | 50.25 | 15.16 | 6.84 | 1.72 | 0.00 | 81.67 | 2 217.74 | |||||||||||||||||||||
II | 350.75 | 419.78 | 925.28 | 1 007.07 | 1 115.30 | 393.27 | 200.44 | 218.42 | 54.72 | 2.67 | 8.38 | 81.82 | 4 777.91 | |||||||||||||||||||||
III | 55.38 | 6.97 | 118.45 | 170.90 | 364.80 | 719.43 | 6.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1 442.22 | |||||||||||||||||||||
IV | 1.35 | 0.61 | 19.72 | 7.40 | 37.83 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 66.91 | |||||||||||||||||||||
VI | 1.37 | 4.83 | 6.56 | 18.96 | 12.81 | 38.35 | 1.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 84.21 | |||||||||||||||||||||
Other | 1.43 | 0.00 | 0.19 | 0.04 | 28.48 | 6.83 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 36.98 | |||||||||||||||||||||
Subtotal | 12 241.76 | 12 203.05 | 16 232.27 | 25 908.26 | 32 645.37 | 17 471.47 | 3 756.68 | 1 831.35 | 372.75 | 62.18 | 10.10 | 8 539.50 | 131 274.72 | |||||||||||||||||||||
Atlantic Maritime | NA | 3 579.09 | 2 315.86 | 4 684.88 | 2 628.33 | 1 272.17 | 250.04 | 31.34 | 5.22 | 1.30 | 0.39 | 0.21 | 819.40 | 15 588.23 | ||||||||||||||||||||
Ia | 8.60 | 1.46 | 10.37 | 7.20 | 18.29 | 1.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | < 0.01 | 46.98 | |||||||||||||||||||||
Ib | 0.11 | 4.13 | 69.09 | 29.48 | 0.07 | 5.61 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 108.48 | |||||||||||||||||||||
II | 56.93 | 47.38 | 134.15 | 86.80 | 70.16 | 9.40 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 4.06 | 409.88 | |||||||||||||||||||||
III | 3.59 | 0.00 | 0.00 | 0.00 | 0.01 | 7.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 10.79 | |||||||||||||||||||||
IV | 19.80 | 30.23 | 18.63 | 28.08 | 31.24 | 2.66 | 0.00 | 0.63 | 0.00 | 0.00 | 0.00 | 0.03 | 131.30 | |||||||||||||||||||||
Subtotal | 3 668.12 | 2 399.05 | 4 917.11 | 2 779.89 | 1 391.93 | 275.97 | 32.36 | 5.85 | 1.30 | 0.39 | 0.21 | 823.49 | 16 295.67 | |||||||||||||||||||||
Mixedwood Plains | NA | 295.18 | 810.55 | 1 140.95 | 552.48 | 199.75 | 27.03 | 9.45 | 2.10 | 0.00 | 0.00 | 0.00 | 84.09 | 3 121.59 | ||||||||||||||||||||
Ia | 0.25 | 1.67 | 8.67 | 0.86 | 2.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 13.72 | |||||||||||||||||||||
II | 1.23 | 6.27 | 5.01 | 5.59 | 2.28 | 0.15 | 0.00 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 20.89 | |||||||||||||||||||||
IV | 0.00 | 0.00 | 4.59 | 0.00 | 3.59 | 1.48 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 9.78 | |||||||||||||||||||||
VI | 0.00 | 0.00 | 0.39 | 0.00 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | |||||||||||||||||||||
Other | 0.00 | 0.54 | 0.00 | 0.00 | 0.00 | 1.20 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 2.65 | |||||||||||||||||||||
Subtotal | 296.66 | 819.03 | 1 159.62 | 558.93 | 208.10 | 29.86 | 10.05 | 2.45 | 0.00 | 0.00 | 0.00 | 84.53 | 3 169.23 | |||||||||||||||||||||
Boreal Plains | NA | 1 687.11 | 2 911.11 | 7 687.00 | 7 702.89 | 6 195.53 | 3 933.71 | 1 520.28 | 655.00 | 395.14 | 64.75 | 62.66 | 2 091.09 | 34 906.27 | ||||||||||||||||||||
Ia | 0.00 | 4.57 | 12.47 | 9.70 | 35.01 | 0.95 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 63.15 | |||||||||||||||||||||
Ib | 86.68 | 64.01 | 170.76 | 248.52 | 133.69 | 10.59 | 5.02 | 0.45 | 30.20 | 2.83 | 0.00 | 0.00 | 752.75 | |||||||||||||||||||||
II | 6.82 | 60.55 | 873.61 | 1 096.63 | 321.41 | 211.28 | 35.52 | 9.00 | 8.56 | 0.37 | 1.11 | 0.18 | 2 625.05 | |||||||||||||||||||||
III | 0.00 | 2.83 | 3.98 | 1.05 | 0.63 | 0.00 | 0.93 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.43 | |||||||||||||||||||||
IV | 9.71 | 12.96 | 0.62 | 18.10 | 8.50 | 14.41 | 6.55 | 0.00 | 0.00 | 0.00 | 0.00 | 5.06 | 75.91 | |||||||||||||||||||||
V | 0.01 | 0.16 | 0.23 | 2.60 | 6.47 | 0.51 | 0.70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 10.86 | |||||||||||||||||||||
VI | 0.11 | 1.53 | 4.30 | 3.58 | 1.48 | 0.09 | 0.00 | 0.00 | < 0.01 | 0.00 | 0.00 | 0.14 | 11.23 | |||||||||||||||||||||
Subtotal | 1 790.45 | 3 057.72 | 8 752.97 | 9 083.08 | 6 702.73 | 4 171.54 | 1 569.44 | 664.45 | 433.90 | 67.95 | 63.77 | 2 096.65 | 38 454.65 | |||||||||||||||||||||
Prairies | NA | 0.34 | 2.43 | 311.90 | 365.26 | 360.70 | 0.33 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 23.79 | 1 064.82 | ||||||||||||||||||||
II | 0.00 | 0.00 | 4.52 | 12.41 | 35.50 | 24.83 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 77.26 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.97 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.47 | 1.45 | |||||||||||||||||||||
IV | 0.00 | 0.00 | 0.53 | 1.68 | 19.52 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 21.73 | |||||||||||||||||||||
V | 0.90 | 0.00 | 3.97 | 16.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 21.14 | |||||||||||||||||||||
VI | 0.00 | 0.00 | 0.58 | 4.68 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.94 | 11.38 | |||||||||||||||||||||
Subtotal | 1.24 | 2.43 | 322.48 | 400.31 | 415.89 | 25.16 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 30.20 | 1 197.79 | |||||||||||||||||||||
Taiga Cordillera | NA | 35.64 | 602.37 | 431.66 | 399.14 | 266.55 | 4 370.97 | 86.22 | 23.45 | 1.80 | 0.00 | 0.00 | 0.00 | 6 217.79 | ||||||||||||||||||||
Ib | 0.00 | 0.00 | 0.00 | 3.87 | 0.00 | 101.21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 105.09 | |||||||||||||||||||||
II | 0.00 | 0.00 | 0.00 | 10.23 | 5.89 | 36.26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 52.37 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 8.90 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.91 | |||||||||||||||||||||
IV | 0.00 | 20.06 | 9.08 | 0.01 | 0.00 | 21.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 50.39 | |||||||||||||||||||||
V | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 5.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.21 | |||||||||||||||||||||
Other | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 3.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.12 | |||||||||||||||||||||
Subtotal | 35.64 | 622.43 | 440.74 | 413.31 | 272.43 | 4 546.86 | 86.22 | 23.45 | 1.80 | 0.00 | 0.00 | 0.00 | 6 442.88 | |||||||||||||||||||||
Boreal Cordillera | NA | 191.49 | 1 861.48 | 2 112.50 | 2 310.97 | 3 730.06 | 2 318.42 | 1 147.40 | 783.96 | 725.41 | 171.02 | 2 045.33 | 140.31 | 17 538.37 | ||||||||||||||||||||
Ib | 0.00 | 17.30 | 42.80 | 63.99 | 7.76 | 77.52 | 71.06 | 70.33 | 160.44 | 45.35 | 483.92 | 0.00 | 1 040.47 | |||||||||||||||||||||
II | 0.00 | 3.22 | 4.13 | 3.71 | 65.63 | 60.25 | 68.37 | 76.99 | 52.44 | 3.03 | 60.62 | 0.00 | 398.39 | |||||||||||||||||||||
IV | 0.00 | 38.47 | 8.78 | 37.40 | 27.27 | 8.14 | 2.89 | 0.00 | 0.00 | 0.00 | 16.28 | 0.00 | 139.23 | |||||||||||||||||||||
Subtotal | 191.49 | 1 920.47 | 2 168.21 | 2 416.08 | 3 830.71 | 2 464.34 | 1 289.73 | 931.29 | 938.29 | 219.40 | 2 606.14 | 140.31 | 19 116.46 | |||||||||||||||||||||
Pacific Maritime | NA | 159.94 | 720.71 | 650.25 | 573.35 | 386.39 | 349.17 | 280.69 | 148.95 | 147.65 | 125.77 | 5 102.50 | 641.06 | 9 286.41 | ||||||||||||||||||||
Ia | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 0.35 | 2.20 | 1.30 | 0.00 | 0.00 | 0.00 | 0.01 | 3.98 | |||||||||||||||||||||
Ib | 0.00 | 1.20 | 2.75 | 2.35 | 1.08 | 20.01 | 5.60 | 0.45 | 7.15 | 1.66 | 170.45 | 0.07 | 212.78 | |||||||||||||||||||||
II | 0.58 | 41.75 | 23.09 | 59.92 | 29.91 | 61.58 | 41.61 | 9.61 | 36.48 | 93.39 | 757.73 | 76.72 | 1 232.37 | |||||||||||||||||||||
III | 0.00 | 1.66 | 0.00 | 5.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.60 | 0.00 | 8.55 | |||||||||||||||||||||
IV | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | |||||||||||||||||||||
Subtotal | 160.52 | 765.31 | 676.09 | 641.02 | 417.38 | 431.11 | 330.10 | 160.31 | 191.27 | 220.82 | 6 032.29 | 717.86 | 10 744.10 | |||||||||||||||||||||
Montane Cordillera | NA | 678.54 | 1 357.00 | 1 044.54 | 2 511.58 | 3 348.70 | 2 967.99 | 3 180.69 | 2 136.86 | 1 623.93 | 1 183.14 | 5 342.09 | 1 222.64 | 26 597.68 | ||||||||||||||||||||
Ia | 0.52 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 5.09 | 6.31 | 0.02 | 0.12 | 0.00 | 12.11 | |||||||||||||||||||||
Ib | 0.00 | 11.32 | 103.60 | 190.63 | 170.88 | 97.81 | 96.06 | 42.35 | 16.05 | 91.99 | 319.33 | < 0.01 | 1 140.03 | |||||||||||||||||||||
II | 0.23 | 40.19 | 39.09 | 279.00 | 311.80 | 403.34 | 485.14 | 534.81 | 325.78 | 375.13 | 536.68 | 4.89 | 3 336.09 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.95 | 1.43 | < 0.01 | 0.00 | 0.00 | 0.05 | 0.00 | 3.46 | |||||||||||||||||||||
IV | 0.00 | 1.75 | 0.00 | 0.00 | 0.78 | 0.00 | 0.80 | 0.52 | 2.97 | 0.00 | 22.49 | 0.00 | 29.31 | |||||||||||||||||||||
VI | 0.00 | 0.00 | 0.88 | 1.43 | 0.37 | 0.47 | 4.94 | 0.00 | 0.00 | 0.00 | 0.00 | 1.71 | 9.79 | |||||||||||||||||||||
Subtotal | 679.29 | 1 410.26 | 1 188.11 | 2 982.67 | 3 832.56 | 3 471.56 | 3 769.06 | 2 719.63 | 1 975.05 | 1 650.28 | 6 220.76 | 1 229.24 | 31 128.47 | |||||||||||||||||||||
Hudson Plains | NA | 60.60 | 38.23 | 49.39 | 176.70 | 4 547.59 | 3 720.16 | 44.21 | 20.00 | 0.00 | 0.00 | 0.00 | 856.15 | 9 513.04 | ||||||||||||||||||||
Ia | 0.00 | 0.00 | 0.00 | 0.00 | 13.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 13.12 | |||||||||||||||||||||
Ib | 0.44 | 6.89 | 0.00 | 12.42 | 109.54 | 55.62 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 184.91 | |||||||||||||||||||||
II | 0.00 | 0.00 | 0.00 | 1.02 | 20.96 | 62.92 | 0.00 | 0.36 | 0.00 | 0.00 | 0.00 | 50.87 | 136.12 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.00 | 0.00 | 8.86 | 1.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.37 | 10.53 | |||||||||||||||||||||
Subtotal | 61.05 | 45.12 | 49.39 | 190.14 | 4 700.07 | 3 840.01 | 44.21 | 20.36 | 0.00 | 0.00 | 0.00 | 907.38 | 9 857.72 | |||||||||||||||||||||
Canada | NA | 18 686.18 | 22 504.02 | 34 452.11 | 49 087.41 | 83 512.99 | 53 552.83 | 18 694.60 | 5 834.09 | 3 287.91 | 1 631.81 | 12 606.06 | 19 684.70 | 323 534.70 | ||||||||||||||||||||
Ia | 26.40 | 38.37 | 59.38 | 51.19 | 99.46 | 64.42 | 4.72 | 6.39 | 6.31 | 0.02 | 0.12 | 0.31 | 357.09 | |||||||||||||||||||||
Ib | 133.05 | 216.69 | 670.02 | 1 631.87 | 1 099.49 | 887.39 | 230.73 | 130.48 | 229.93 | 143.56 | 973.71 | 277.43 | 6 624.35 | |||||||||||||||||||||
II | 417.65 | 624.77 | 2 163.06 | 2 692.67 | 2 777.96 | 1 615.83 | 832.59 | 849.54 | 477.98 | 474.59 | 1 364.53 | 218.54 | 14 509.71 | |||||||||||||||||||||
III | 58.96 | 11.46 | 123.40 | 179.20 | 494.87 | 760.20 | 10.01 | < 0.01 | 0.00 | 0.00 | 1.65 | 0.84 | 1 640.59 | |||||||||||||||||||||
IV | 30.87 | 104.08 | 61.95 | 92.67 | 128.72 | 47.93 | 10.24 | 1.15 | 2.97 | 0.00 | 38.78 | 5.22 | 524.58 | |||||||||||||||||||||
V | 0.91 | 0.16 | 4.20 | 18.92 | 8.42 | 39.97 | 0.70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 73.45 | |||||||||||||||||||||
VI | 1.48 | 6.36 | 12.71 | 28.65 | 15.04 | 38.91 | 6.26 | 0.00 | < 0.01 | 0.00 | 0.00 | 7.79 | 117.21 | |||||||||||||||||||||
Other | 1.43 | 0.54 | 0.19 | 11.97 | 167.89 | 11.13 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 194.06 | |||||||||||||||||||||
Total | 19 356.92 | 23 506.43 | 37 547.02 | 53 794.55 | 88 304.85 | 57 018.61 | 19 790.45 | 6 821.66 | 4 005.10 | 2 249.98 | 14 984.84 | 20 195.33 | 347 575.75 | |||||||||||||||||||||
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. These non-inventoried areas total 262,189.89 thousand ha. | ||||||||||||||||||||||||||||||||||
1 IUCN: International Union for Conservation of Nature (http://www.iucn.org). Data obtained from the Canadian Protected and Conserved Areas Database (CPCAD) (https://www.canada.ca/en/environment-climate-change/services/national-wildlife-areas/protected-conserved-areas-database.html). 2 Missing or unknown age class. |
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