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 | 946.15 | 1 524.84 | 2 402.38 | 3 693.95 | 3 822.69 | 16 934.61 | 1 406.02 | 771.45 | 290.19 | 43.75 | 73.11 | 207.33 | 32 116.45 | ||||||||||||||||||||
Ib | 38.10 | 64.03 | 59.21 | 124.71 | 169.35 | 458.56 | 8.77 | 4.45 | 0.38 | 8.90 | 0.01 | 0.00 | 936.46 | |||||||||||||||||||||
II | 10.04 | 67.21 | 129.60 | 285.07 | 271.86 | 1 148.90 | 10.93 | 5.44 | 0.18 | 0.14 | 0.00 | 0.00 | 1 929.37 | |||||||||||||||||||||
VI | 18.74 | 7.62 | 45.74 | 37.06 | 24.66 | 173.89 | 1.11 | 0.46 | 0.00 | 0.00 | 0.00 | 0.00 | 309.29 | |||||||||||||||||||||
Subtotal | 1 013.03 | 1 663.69 | 2 636.93 | 4 140.79 | 4 288.56 | 18 715.96 | 1 426.83 | 781.81 | 290.74 | 52.79 | 73.12 | 207.33 | 35 291.57 | |||||||||||||||||||||
Taiga Shield | NA | 741.79 | 1 784.02 | 2 828.79 | 1 942.95 | 4 640.85 | 7 583.65 | 14 108.48 | 6 909.21 | 33.19 | 42.16 | 567.14 | 3 835.44 | 45 017.67 | ||||||||||||||||||||
Ib | 21.67 | 30.68 | 84.17 | 54.39 | 10.72 | 20.96 | 422.56 | 0.00 | 0.00 | 0.00 | 0.00 | 257.03 | 902.20 | |||||||||||||||||||||
II | 0.02 | 56.78 | 88.37 | 69.30 | 375.48 | 460.15 | 813.63 | 229.81 | 0.00 | 0.00 | 0.00 | 238.17 | 2 331.71 | |||||||||||||||||||||
Subtotal | 763.48 | 1 871.48 | 3 001.33 | 2 066.64 | 5 027.05 | 8 064.77 | 15 344.67 | 7 139.03 | 33.19 | 42.16 | 567.14 | 4 330.64 | 48 251.58 | |||||||||||||||||||||
Boreal Shield | NA | 10 385.74 | 18 366.65 | 20 482.82 | 21 593.89 | 22 252.17 | 10 037.33 | 9 462.13 | 1 362.53 | 353.24 | 44.47 | 20.17 | 6 219.17 | 120 580.30 | ||||||||||||||||||||
Ia | 0.56 | 9.14 | 42.62 | 18.04 | 17.16 | 1.64 | 16.04 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 105.33 | |||||||||||||||||||||
Ib | 248.72 | 337.37 | 477.08 | 676.99 | 398.89 | 219.44 | 79.63 | 36.46 | 8.33 | 0.43 | 0.00 | 96.81 | 2 580.14 | |||||||||||||||||||||
II | 293.49 | 1 140.03 | 1 499.67 | 1 430.56 | 1 437.16 | 875.27 | 665.04 | 75.15 | 4.36 | 3.60 | 0.52 | 106.09 | 7 530.94 | |||||||||||||||||||||
III | 0.00 | 0.40 | 5.63 | 7.72 | 15.98 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 29.77 | |||||||||||||||||||||
IV | 9.33 | 40.82 | 137.69 | 193.25 | 296.57 | 10.19 | 103.55 | 5.48 | 0.00 | 0.00 | 0.00 | 32.27 | 829.15 | |||||||||||||||||||||
VI | 2.06 | 0.82 | 0.88 | 2.88 | 2.56 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 9.23 | |||||||||||||||||||||
Other | 37.32 | 185.38 | 193.56 | 136.99 | 92.07 | 76.52 | 19.58 | 3.22 | 0.00 | 0.00 | 0.00 | 0.09 | 744.73 | |||||||||||||||||||||
Subtotal | 10 977.22 | 20 080.60 | 22 839.95 | 24 060.31 | 24 512.56 | 11 220.38 | 10 346.00 | 1 482.99 | 365.93 | 48.49 | 20.70 | 6 454.45 | 132 409.59 | |||||||||||||||||||||
Atlantic Maritime | NA | 2 329.45 | 3 037.85 | 3 105.44 | 3 555.38 | 2 049.62 | 785.34 | 79.40 | 23.79 | 1.79 | 0.60 | 0.21 | 670.97 | 15 639.83 | ||||||||||||||||||||
Ia | 1.76 | 10.13 | 8.73 | 23.89 | 25.37 | 1.19 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | <0.01 | 71.36 | |||||||||||||||||||||
Ib | 1.04 | 12.13 | 77.79 | 89.40 | 47.14 | 11.64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.25 | 241.38 | |||||||||||||||||||||
II | 18.69 | 120.36 | 113.31 | 156.32 | 167.37 | 29.54 | 14.59 | 2.16 | 0.00 | 0.00 | 0.00 | 4.07 | 626.42 | |||||||||||||||||||||
III | 0.39 | 6.95 | 4.63 | 4.13 | 0.00 | 6.83 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 22.95 | |||||||||||||||||||||
IV | 0.77 | 4.50 | 19.22 | 22.58 | 7.16 | 1.23 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 2.55 | 58.09 | |||||||||||||||||||||
VI | 0.10 | 0.41 | 6.52 | 10.14 | 0.41 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 17.77 | |||||||||||||||||||||
Other | 0.00 | 0.14 | 0.00 | 0.37 | 0.34 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.85 | |||||||||||||||||||||
Subtotal | 2 352.19 | 3 192.47 | 3 335.66 | 3 862.23 | 2 297.42 | 835.85 | 94.27 | 26.03 | 1.79 | 0.60 | 0.21 | 679.95 | 16 678.66 | |||||||||||||||||||||
Mixedwood Plains | NA | 137.20 | 487.95 | 1 139.57 | 860.89 | 451.17 | 94.56 | 23.20 | 8.46 | 1.20 | 0.00 | 0.00 | 167.71 | 3 371.92 | ||||||||||||||||||||
Ia | 0.06 | 0.66 | 4.63 | 2.34 | 7.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 14.75 | |||||||||||||||||||||
II | 0.37 | 3.75 | 9.90 | 10.75 | 3.45 | 1.72 | 1.55 | 0.36 | 0.00 | 0.00 | 0.00 | 0.00 | 31.84 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | |||||||||||||||||||||
IV | <0.01 | 0.00 | 1.51 | 0.02 | 0.46 | 0.00 | 2.03 | 0.00 | 0.00 | 0.00 | 0.00 | <0.01 | 4.03 | |||||||||||||||||||||
VI | 0.31 | 0.00 | <0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | |||||||||||||||||||||
Subtotal | 137.94 | 492.36 | 1 155.62 | 874.03 | 462.13 | 96.32 | 26.78 | 8.83 | 1.20 | 0.00 | 0.00 | 167.71 | 3 422.91 | |||||||||||||||||||||
Boreal Plains | NA | 2 847.19 | 4 135.80 | 5 158.35 | 10 592.91 | 7 165.72 | 4 659.76 | 2 484.21 | 925.74 | 346.27 | 68.20 | 63.23 | 1 450.56 | 39 897.94 | ||||||||||||||||||||
Ia | 0.00 | 37.88 | 4.36 | 19.99 | 25.99 | 5.70 | 2.56 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 96.48 | |||||||||||||||||||||
Ib | 40.32 | 48.57 | 120.52 | 281.06 | 142.00 | 47.35 | 12.02 | 7.86 | 7.21 | 0.00 | 7.04 | 0.00 | 713.95 | |||||||||||||||||||||
II | 68.26 | 340.32 | 668.18 | 976.35 | 499.74 | 338.47 | 97.24 | 40.96 | 18.73 | 8.64 | 12.62 | 1.58 | 3 071.09 | |||||||||||||||||||||
III | 0.00 | 6.67 | 8.44 | 2.45 | 11.04 | 14.90 | 3.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 46.82 | |||||||||||||||||||||
IV | 14.75 | 17.32 | 21.24 | 18.70 | 10.01 | 4.65 | 0.07 | 0.34 | 0.00 | 0.00 | 0.00 | 0.67 | 87.75 | |||||||||||||||||||||
V | 0.16 | 0.00 | 2.22 | 1.23 | 8.04 | 3.54 | 2.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 17.55 | |||||||||||||||||||||
VI | 0.00 | <0.01 | 0.45 | 2.56 | 6.34 | 2.11 | 0.09 | 0.00 | 1.69 | 2.07 | 0.00 | 0.00 | 15.31 | |||||||||||||||||||||
Other | 1.33 | 0.01 | 17.06 | 34.52 | 38.26 | 31.72 | 7.36 | 1.34 | 0.00 | 0.26 | 0.00 | 0.00 | 131.85 | |||||||||||||||||||||
Subtotal | 2 972.02 | 4 586.55 | 6 000.82 | 11 929.76 | 7 907.14 | 5 108.20 | 2 609.23 | 976.25 | 373.91 | 79.17 | 82.89 | 1 452.80 | 44 078.74 | |||||||||||||||||||||
Prairies | NA | 261.68 | 618.83 | 157.90 | 33.29 | 9.07 | 2.72 | <0.01 | 2.42 | 0.00 | 0.00 | 0.00 | 253.34 | 1 339.25 | ||||||||||||||||||||
Ib | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | |||||||||||||||||||||
II | 37.66 | 41.02 | 32.98 | 5.12 | 10.06 | 10.15 | 0.97 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 137.97 | |||||||||||||||||||||
III | 2.53 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | <0.01 | 2.69 | |||||||||||||||||||||
IV | 8.59 | 16.79 | 1.74 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 27.30 | |||||||||||||||||||||
V | 0.31 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | |||||||||||||||||||||
VI | <0.01 | 0.32 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.61 | |||||||||||||||||||||
Other | 0.00 | 0.00 | 0.65 | 2.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 19.19 | 22.39 | |||||||||||||||||||||
Subtotal | 310.79 | 677.22 | 193.55 | 41.05 | 19.13 | 12.87 | 0.98 | 2.42 | 0.00 | 0.00 | 0.00 | 272.62 | 1 530.63 | |||||||||||||||||||||
Taiga Cordillera | NA | 9.39 | 121.72 | 618.27 | 706.73 | 572.00 | 286.44 | 3 194.91 | 121.91 | 45.59 | 1.79 | 0.00 | 77.16 | 5 755.91 | ||||||||||||||||||||
Ib | 0.00 | 25.23 | 8.99 | 29.34 | 7.57 | 0.99 | 85.53 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 157.66 | |||||||||||||||||||||
II | 0.00 | 0.22 | 2.21 | 12.82 | 33.21 | 17.09 | 358.66 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 424.21 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 8.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.81 | |||||||||||||||||||||
IV | 0.00 | 0.53 | 23.34 | 13.02 | 0.00 | 0.00 | 16.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 53.34 | |||||||||||||||||||||
Subtotal | 9.39 | 147.71 | 652.81 | 761.91 | 612.80 | 304.52 | 3 664.34 | 121.91 | 45.59 | 1.79 | 0.00 | 77.16 | 6 399.93 | |||||||||||||||||||||
Boreal Cordillera | NA | 221.39 | 662.42 | 2 301.70 | 2 654.24 | 2 720.55 | 3 795.85 | 2 046.47 | 1 398.42 | 834.70 | 217.46 | 1 609.81 | 278.66 | 18 741.67 | ||||||||||||||||||||
Ib | 2.13 | 4.99 | 59.42 | 97.79 | 56.81 | 81.16 | 139.43 | 94.40 | 124.44 | 36.33 | 525.04 | 0.00 | 1 221.94 | |||||||||||||||||||||
II | 3.06 | 26.40 | 67.31 | 69.93 | 109.86 | 160.47 | 352.38 | 102.00 | 58.63 | 0.94 | 176.36 | 5.33 | 1 132.69 | |||||||||||||||||||||
IV | 0.00 | 0.66 | 0.41 | 10.71 | 4.02 | 13.64 | 26.55 | 12.76 | 3.39 | 0.16 | 14.99 | 38.15 | 125.43 | |||||||||||||||||||||
Subtotal | 226.58 | 694.48 | 2 428.84 | 2 832.66 | 2 891.24 | 4 051.13 | 2 564.84 | 1 607.57 | 1 021.16 | 254.89 | 2 326.21 | 322.14 | 21 221.73 | |||||||||||||||||||||
Pacific Maritime | NA | 455.76 | 712.69 | 743.15 | 574.36 | 425.22 | 358.31 | 257.79 | 179.50 | 192.69 | 204.25 | 5 132.00 | 485.96 | 9 721.68 | ||||||||||||||||||||
Ia | 0.00 | 0.00 | 0.00 | 0.12 | 0.00 | 0.00 | 0.06 | 0.00 | 1.41 | 0.00 | 2.89 | 0.00 | 4.48 | |||||||||||||||||||||
Ib | 0.00 | 0.00 | 1.29 | 5.40 | 1.07 | 4.52 | 12.68 | 2.57 | 0.89 | 7.36 | 180.79 | 0.08 | 216.65 | |||||||||||||||||||||
II | 1.65 | 37.98 | 68.77 | 29.97 | 53.38 | 58.55 | 39.82 | 83.31 | 73.45 | 100.20 | 1 415.38 | 66.94 | 2 029.42 | |||||||||||||||||||||
III | 0.00 | 0.00 | 0.48 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.24 | 0.00 | 0.72 | |||||||||||||||||||||
IV | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||||||||||||||||||||
V | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||||||||||||||||||||
Subtotal | 457.41 | 750.67 | 813.70 | 609.84 | 479.67 | 421.39 | 310.36 | 265.38 | 268.44 | 311.81 | 6 731.30 | 552.99 | 11 972.94 | |||||||||||||||||||||
Montane Cordillera | NA | 2 056.64 | 2 214.33 | 1 144.40 | 1 545.90 | 3 174.57 | 3 177.68 | 3 314.97 | 2 724.24 | 1 642.92 | 1 288.98 | 5 411.65 | 2 028.24 | 29 724.51 | ||||||||||||||||||||
Ia | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.69 | 30.59 | 3.26 | 3.69 | 0.00 | 0.00 | 0.00 | 38.26 | |||||||||||||||||||||
Ib | 2.74 | 10.51 | 65.10 | 166.82 | 210.73 | 197.60 | 163.26 | 56.28 | 41.34 | 19.47 | 365.95 | 0.00 | 1 299.80 | |||||||||||||||||||||
II | 4.09 | 40.46 | 64.55 | 138.11 | 433.47 | 391.88 | 523.03 | 637.38 | 328.60 | 214.95 | 736.75 | 50.62 | 3 563.89 | |||||||||||||||||||||
III | 12.59 | 0.11 | 0.00 | 4.04 | 0.00 | 2.31 | 3.41 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 22.52 | |||||||||||||||||||||
IV | 0.00 | 1.26 | 0.00 | 0.00 | 0.04 | 0.17 | 1.65 | 0.52 | 3.00 | 0.00 | 23.12 | 0.00 | 29.77 | |||||||||||||||||||||
VI | 0.00 | 0.00 | 0.00 | 1.75 | 0.19 | 7.02 | 3.78 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 12.74 | |||||||||||||||||||||
Other | 5.94 | 9.17 | 15.72 | 7.46 | 1.31 | 3.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 42.63 | |||||||||||||||||||||
Subtotal | 2 082.00 | 2 275.86 | 1 289.76 | 1 864.09 | 3 820.31 | 3 780.40 | 4 040.69 | 3 421.68 | 2 019.55 | 1 523.39 | 6 537.52 | 2 078.86 | 34 734.11 | |||||||||||||||||||||
Hudson Plains | NA | 55.47 | 1 018.18 | 1 566.09 | 974.77 | 719.43 | 3 207.12 | 2 555.76 | 328.35 | 7.83 | 0.25 | 0.00 | 498.25 | 10 931.49 | ||||||||||||||||||||
Ib | 1.51 | 55.04 | 84.07 | 17.24 | 12.75 | 80.06 | 105.48 | 18.59 | 0.00 | 0.00 | 0.00 | 21.13 | 395.87 | |||||||||||||||||||||
II | 11.12 | 18.97 | 22.17 | 39.99 | 8.25 | 26.87 | 66.23 | 6.52 | 0.36 | 0.00 | 0.00 | 61.47 | 261.97 | |||||||||||||||||||||
IV | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | |||||||||||||||||||||
Subtotal | 68.10 | 1 092.19 | 1 672.34 | 1 032.00 | 740.44 | 3 314.33 | 2 727.47 | 353.46 | 8.19 | 0.25 | 0.00 | 580.85 | 11 589.61 | |||||||||||||||||||||
Canada | NA | 20 447.86 | 34 685.26 | 41 648.85 | 48 729.25 | 48 003.07 | 50 923.38 | 38 933.33 | 14 756.04 | 3 749.61 | 1 911.89 | 12 877.31 | 16 172.78 | 332 838.64 | ||||||||||||||||||||
Ia | 2.38 | 57.82 | 60.35 | 64.38 | 75.58 | 9.22 | 49.53 | 3.41 | 5.10 | 0.00 | 2.89 | <0.01 | 330.65 | |||||||||||||||||||||
Ib | 356.24 | 588.57 | 1 037.65 | 1 543.13 | 1 057.02 | 1 122.29 | 1 029.38 | 220.61 | 182.58 | 72.48 | 1 078.84 | 377.30 | 8 666.07 | |||||||||||||||||||||
II | 448.46 | 1 893.50 | 2 767.03 | 3 224.30 | 3 403.30 | 3 519.07 | 2 944.07 | 1 183.10 | 484.32 | 328.47 | 2 341.63 | 534.27 | 23 071.51 | |||||||||||||||||||||
III | 15.51 | 14.29 | 19.19 | 18.38 | 27.04 | 24.08 | 15.57 | 0.00 | 0.00 | 0.00 | 0.29 | <0.01 | 134.35 | |||||||||||||||||||||
IV | 33.45 | 81.87 | 205.16 | 258.37 | 318.27 | 30.16 | 150.30 | 19.18 | 6.39 | 0.16 | 38.12 | 73.73 | 1 215.14 | |||||||||||||||||||||
V | 0.47 | 0.09 | 2.22 | 1.23 | 8.04 | 3.54 | 2.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 17.95 | |||||||||||||||||||||
VI | 21.21 | 9.18 | 53.89 | 54.40 | 34.17 | 183.09 | 4.98 | 0.46 | 1.69 | 2.07 | 0.00 | 0.13 | 365.27 | |||||||||||||||||||||
Other | 44.59 | 194.69 | 226.98 | 181.89 | 131.98 | 111.29 | 26.93 | 4.56 | 0.00 | 0.26 | 0.00 | 19.28 | 942.45 | |||||||||||||||||||||
Total | 21 370.17 | 37 525.27 | 46 021.30 | 54 075.33 | 53 058.45 | 55 926.11 | 43 156.45 | 16 187.37 | 4 429.69 | 2 315.33 | 16 339.08 | 17 177.48 | 367 582.02 | |||||||||||||||||||||
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 2, November 2022) (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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