| Boreal zone | Species group | 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 | |||
| Non-boreal | Larch | ±25.57 | ±20.11 | ±35.27 | ±47.95 | ±60.32 | ±58.38 | ±63.06 | ±28.71 | ±16.53 | ±12.09 | ±33.51 | - | ±134.13 |
| Unspecified hardwoods | ±105.52 | ±51.53 | ±39.31 | ±22.20 | ±21.58 | ±2.90 | ±0.96 | - | - | - | - | ±0.14 | ±127.68 | |
| Unspecified conifers | ±116.34 | ±82.11 | ±38.17 | ±26.95 | ±3.85 | - | - | - | - | - | - | ±3.36 | ±149.96 | |
| Other hardwoods | ±14.96 | ±37.97 | ±77.82 | ±74.49 | ±55.96 | ±28.31 | ±8.19 | ±5.46 | ±0.38 | ±5.15 | ±10.04 | - | ±132.01 | |
| Cedar & other conifers | ±29.91 | ±53.79 | ±73.52 | ±55.77 | ±51.01 | ±41.07 | ±24.03 | ±29.65 | ±35.66 | ±55.70 | ±362.84 | - | ±392.52 | |
| Unclassified | ±24.84 | ±27.62 | ±2.18 | ±2.63 | ±1.22 | ±2.24 | - | - | - | - | - | ±397.53 | ±399.29 | |
| Douglas-fir | ±64.75 | ±73.62 | ±113.19 | ±112.04 | ±143.94 | ±157.98 | ±168.05 | ±148.69 | ±81.53 | ±74.25 | ±209.24 | - | ±432.37 | |
| Birch | ±57.99 | ±153.27 | ±167.38 | ±160.96 | ±186.66 | ±127.35 | ±24.11 | ±25.49 | ±1.33 | ±1.44 | ±2.60 | - | ±364.81 | |
| Hemlock | ±75.45 | ±112.51 | ±107.43 | ±83.13 | ±81.82 | ±55.74 | ±55.74 | ±45.29 | ±46.73 | ±54.62 | ±458.07 | - | ±516.49 | |
| Poplar | ±143.93 | ±194.97 | ±169.33 | ±188.94 | ±182.89 | ±114.54 | ±56.87 | ±44.13 | ±9.83 | ±14.69 | ±20.99 | - | ±419.05 | |
| Maple | ±65.43 | ±98.16 | ±252.88 | ±292.71 | ±262.72 | ±121.26 | ±35.29 | ±16.18 | ±31.30 | - | ±2.00 | ±0.34 | ±499.76 | |
| Fir | ±120.49 | ±166.12 | ±161.38 | ±166.55 | ±148.08 | ±124.58 | ±113.91 | ±151.12 | ±137.02 | ±146.78 | ±436.31 | - | ±632.34 | |
| Pine | ±257.26 | ±246.68 | ±162.82 | ±223.49 | ±311.04 | ±237.38 | ±198.47 | ±165.03 | ±105.45 | ±82.04 | ±149.11 | - | ±680.66 | |
| Spruce | ±152.92 | ±214.32 | ±209.00 | ±205.75 | ±179.75 | ±126.79 | ±176.54 | ±123.71 | ±84.38 | ±74.98 | ±270.66 | ±0.12 | ±579.81 | |
| Subtotal | ±411.57 | ±488.36 | ±506.89 | ±546.77 | ±570.58 | ±407.39 | ±352.94 | ±306.80 | ±220.16 | ±214.21 | ±820.24 | ±397.55 | ±1 612.20 | |
| Boreal | Other hardwoods | ±15.00 | ±22.35 | ±26.15 | ±12.38 | ±24.60 | ±19.82 | ±6.31 | ±7.77 | ±2.92 | ±1.02 | - | ±6.20 | ±52.03 |
| Cedar & other conifers | ±2.21 | ±6.58 | ±13.34 | ±15.55 | ±24.07 | ±29.10 | ±21.20 | ±14.49 | ±15.30 | - | - | - | ±52.79 | |
| Maple | ±5.75 | ±29.46 | ±74.15 | ±84.96 | ±52.73 | ±1.79 | - | - | - | - | - | - | ±128.07 | |
| Unspecified hardwoods | ±139.68 | ±50.25 | ±4.92 | ±0.67 | - | - | ±0.29 | - | - | - | - | - | ±148.53 | |
| Unspecified conifers | ±285.63 | ±213.29 | ±74.27 | ±18.71 | ±1.81 | - | - | - | - | - | - | ±2.44 | ±364.63 | |
| Birch | ±181.69 | ±201.50 | ±236.91 | ±200.68 | ±136.40 | ±202.89 | ±33.69 | ±10.68 | ±2.59 | ±3.79 | ±9.60 | ±3.14 | ±480.78 | |
| Larch | ±104.24 | ±146.62 | ±175.96 | ±202.78 | ±189.80 | ±154.91 | ±90.27 | ±115.72 | ±30.75 | ±11.19 | ±21.41 | ±17.96 | ±433.42 | |
| Fir | ±91.59 | ±210.80 | ±226.01 | ±220.45 | ±256.80 | ±202.92 | ±172.97 | ±131.40 | ±122.14 | ±66.69 | ±247.82 | ±5.32 | ±622.59 | |
| Unclassified | ±96.47 | ±31.63 | ±2.92 | ±4.53 | ±1.40 | ±0.71 | ±2.10 | ±1.49 | ±0.25 | - | - | ±774.34 | ±780.99 | |
| Pine | ±449.75 | ±562.15 | ±442.93 | ±438.97 | ±307.11 | ±282.80 | ±234.06 | ±162.12 | ±91.73 | ±37.33 | ±111.59 | ±5.94 | ±1 088.49 | |
| Poplar | ±353.07 | ±335.69 | ±399.05 | ±607.37 | ±559.82 | ±315.86 | ±200.09 | ±107.71 | ±24.14 | ±12.79 | ±26.05 | ±1.08 | ±1 109.83 | |
| Spruce | ±292.18 | ±685.38 | ±913.67 | ±955.39 | ±1 044.31 | ±1 612.84 | ±1 396.33 | ±736.84 | ±244.64 | ±106.87 | ±382.29 | ±42.36 | ±2 950.66 | |
| Subtotal | ±758.44 | ±1 027.33 | ±1 157.71 | ±1 269.78 | ±1 273.91 | ±1 699.58 | ±1 443.70 | ±782.22 | ±291.48 | ±132.54 | ±470.37 | ±775.78 | ±3 566.01 | |
| Canada | Other hardwoods | ±21.18 | ±44.06 | ±82.10 | ±75.51 | ±61.13 | ±34.56 | ±10.34 | ±9.50 | ±2.94 | ±5.25 | ±10.04 | ±6.20 | ±141.90 |
| Unspecified hardwoods | ±175.06 | ±71.98 | ±39.62 | ±22.21 | ±21.58 | ±2.90 | ±1.00 | - | - | - | - | ±0.14 | ±195.87 | |
| Cedar & other conifers | ±29.99 | ±54.19 | ±74.72 | ±57.90 | ±56.41 | ±50.34 | ±32.05 | ±33.00 | ±38.80 | ±55.70 | ±362.84 | - | ±396.06 | |
| Unspecified conifers | ±308.42 | ±228.55 | ±83.50 | ±32.81 | ±4.26 | - | - | - | - | - | - | ±4.15 | ±394.26 | |
| Douglas-fir | ±64.75 | ±73.62 | ±113.19 | ±112.04 | ±143.94 | ±157.98 | ±168.05 | ±148.69 | ±81.53 | ±74.25 | ±209.24 | - | ±432.37 | |
| Hemlock | ±75.45 | ±112.51 | ±107.43 | ±83.13 | ±81.82 | ±55.74 | ±55.74 | ±45.29 | ±46.73 | ±54.62 | ±458.07 | - | ±516.49 | |
| Maple | ±65.68 | ±102.48 | ±263.53 | ±304.80 | ±267.96 | ±121.28 | ±35.29 | ±16.18 | ±31.30 | - | ±2.00 | ±0.34 | ±515.91 | |
| Larch | ±107.33 | ±148.00 | ±179.46 | ±208.37 | ±199.16 | ±165.55 | ±110.11 | ±119.22 | ±34.91 | ±16.48 | ±39.76 | ±17.96 | ±453.70 | |
| Birch | ±190.72 | ±253.17 | ±290.07 | ±257.26 | ±231.19 | ±239.55 | ±41.43 | ±27.63 | ±2.91 | ±4.06 | ±9.95 | ±3.14 | ±603.52 | |
| Unclassified | ±99.62 | ±41.99 | ±3.65 | ±5.24 | ±1.86 | ±2.35 | ±2.10 | ±1.49 | ±0.25 | - | - | ±870.42 | ±877.14 | |
| Fir | ±151.35 | ±268.39 | ±277.71 | ±276.29 | ±296.44 | ±238.11 | ±207.11 | ±200.26 | ±183.56 | ±161.22 | ±501.79 | ±5.32 | ±887.39 | |
| Poplar | ±381.28 | ±388.20 | ±433.49 | ±636.08 | ±588.94 | ±335.98 | ±208.02 | ±116.40 | ±26.07 | ±19.48 | ±33.45 | ±1.08 | ±1 186.30 | |
| Pine | ±518.13 | ±613.89 | ±471.91 | ±492.59 | ±437.11 | ±369.22 | ±306.88 | ±231.34 | ±139.76 | ±90.13 | ±186.24 | ±5.94 | ±1 283.79 | |
| Spruce | ±329.78 | ±718.11 | ±937.26 | ±977.29 | ±1 059.67 | ±1 617.82 | ±1 407.45 | ±747.15 | ±258.79 | ±130.55 | ±468.40 | ±42.36 | ±3 007.09 | |
| Total | ±862.91 | ±1 137.50 | ±1 263.82 | ±1 382.49 | ±1 395.86 | ±1 747.72 | ±1 486.21 | ±840.23 | ±365.28 | ±251.90 | ±945.53 | ±871.71 | ±3 913.52 | |
| Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 3.1, October 2025) (http://nfi.nfis.org) | ||||||||||||||
| Note: The Non-boreal zone in the Arctic ecozones (Arctic Cordillera, Northern Arctic, Southern Arctic) are not inventoried. The total land and water area amounts to approximately 252,202.08 thousand ha. | ||||||||||||||
|
1 Missing or unknown age class. |
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