Tableau 5.1b. Intervalle de confiance (1000 ha) de superficie de terres forestières selon le type de forêt, la classe d'âge et l'écozone terrestre Canada.
Écozone terrestre Type forestier Âge (années) Total
1-20 21-40 41-60 61-80 81-100 101-120 121-140 141-160 161-180 181-200 201+ Autres1
Taiga des plaines Non boise ±0,35 ±1,96 ±0,04 ±4,76 ±0,63 - - - - - - ±118,44 ±118,55
Bois mixte arboré ±101,72 ±97,85 ±78,65 ±107,10 ±73,42 ±209,70 ±59,59 ±29,98 ±14,75 ±18,28 ±13,20 - ±303,51
Feuillus arboré ±126,63 ±77,69 ±81,63 ±178,82 ±252,17 ±102,19 ±103,21 ±60,78 ±18,12 ±0,63 - - ±386,54
Conifère arboré ±114,52 ±214,90 ±319,09 ±354,92 ±286,66 ±857,31 ±181,29 ±164,30 ±91,97 ±25,56 ±53,00 - ±1 084,44
Sous-total ±198,74 ±248,58 ±338,62 ±411,63 ±388,79 ±888,48 ±216,96 ±177,73 ±94,89 ±31,43 ±54,62 ±118,44 ±1 196,50
Taiga du Bouclier Feuillus arboré ±71,03 ±43,51 ±33,44 ±18,49 ±29,95 ±141,71 ±1,22 - - - - - ±171,41
Bois mixte arboré ±60,85 ±51,47 ±38,51 ±34,47 ±38,35 ±34,07 ±122,53 ±8,69 - - - - ±163,54
Non boise - - ±66,86 ±8,06 ±3,16 - - - - - - ±400,57 ±406,20
Conifère arboré ±152,04 ±282,10 ±379,20 ±283,85 ±562,89 ±653,36 ±846,24 ±528,57 ±26,46 ±47,31 ±226,49 - ±1 456,20
Sous-total ±178,51 ±290,04 ±388,42 ±286,65 ±565,00 ±669,42 ±855,06 ±528,64 ±26,46 ±47,31 ±226,49 ±400,57 ±1 530,25
Bouclier boreal Non boise ±40,64 ±25,71 ±19,42 ±83,95 ±36,75 ±45,20 ±5,83 ±1,09 ±2,47 ±3,01 ±0,92 ±527,91 ±540,25
Feuillus arboré ±228,65 ±237,24 ±309,76 ±344,13 ±311,96 ±148,82 ±41,00 ±16,01 ±19,11 ±7,29 - - ±666,90
Bois mixte arboré ±302,39 ±324,10 ±323,39 ±406,72 ±412,43 ±156,05 ±74,40 ±50,14 ±28,22 ±10,20 ±14,06 - ±818,58
Conifère arboré ±473,31 ±789,18 ±764,19 ±728,65 ±759,09 ±733,70 ±657,13 ±217,46 ±109,33 ±19,86 ±10,78 - ±1 888,88
Sous-total ±607,78 ±885,88 ±885,94 ±906,55 ±919,23 ±766,07 ±662,62 ±223,74 ±114,55 ±23,68 ±17,74 ±527,91 ±2 230,37
Maritime de l'Atlantique Non boise ±3,30 ±1,54 ±2,75 ±2,34 ±0,47 - - - - - - ±92,10 ±92,24
Feuillus arboré ±77,51 ±91,72 ±114,26 ±136,16 ±112,29 ±68,30 ±4,97 ±9,34 ±2,42 - ±0,41 - ±251,81
Bois mixte arboré ±124,79 ±116,22 ±141,41 ±155,08 ±102,41 ±62,39 ±12,58 ±3,06 - ±1,15 - - ±296,10
Conifère arboré ±165,01 ±205,71 ±159,55 ±161,53 ±143,82 ±85,66 ±33,44 ±9,65 ±1,09 - - - ±387,72
Sous-total ±220,95 ±253,45 ±241,91 ±262,08 ±209,24 ±126,07 ±36,07 ±13,77 ±2,66 ±1,15 ±0,41 ±92,10 ±556,70
Plaines a forets mixtes Non boise - - - - - - - - - - - ±55,54 ±55,54
Conifère arboré ±22,83 ±32,57 ±52,81 ±25,23 ±11,93 ±5,14 ±2,34 ±3,66 - - - - ±72,08
Bois mixte arboré ±18,24 ±45,52 ±62,78 ±55,29 ±32,97 ±17,28 ±5,80 ±3,90 - - - - ±104,11
Feuillus arboré ±19,15 ±49,47 ±105,82 ±97,79 ±73,47 ±34,14 ±15,83 ±4,58 ±2,37 - - - ±174,40
Sous-total ±34,94 ±74,71 ±133,90 ±115,14 ±81,40 ±38,61 ±17,02 ±7,04 ±2,37 - - ±55,54 ±222,56
Plaines boreales Non boise ±26,80 ±47,23 ±19,61 ±8,58 ±33,51 ±32,55 ±2,69 ±4,56 - - - ±238,07 ±249,59
Bois mixte arboré ±111,95 ±111,31 ±133,43 ±166,93 ±160,67 ±123,77 ±87,19 ±37,20 ±17,09 ±5,59 ±1,69 - ±347,91
Feuillus arboré ±214,21 ±208,56 ±286,41 ±403,71 ±280,88 ±179,25 ±114,47 ±34,47 ±8,94 ±0,95 - - ±678,08
Conifère arboré ±242,22 ±336,36 ±365,79 ±501,23 ±398,93 ±351,03 ±224,15 ±145,46 ±109,87 ±46,34 ±58,54 - ±963,46
Sous-total ±343,23 ±413,83 ±483,76 ±664,94 ±514,76 ±414,40 ±266,38 ±154,12 ±111,55 ±46,68 ±58,56 ±238,07 ±1 253,55
Prairies Bois mixte arboré ±4,32 ±5,21 ±4,30 ±3,64 ±1,67 ±5,64 ±0,65 - - - - - ±10,61
Conifère arboré ±2,39 ±19,44 ±47,56 ±1,46 ±4,78 ±12,72 ±1,26 ±4,17 - - - - ±53,40
Non boise ±5,67 ±5,98 ±0,63 - - - - - - - - ±149,29 ±149,52
Feuillus arboré ±77,04 ±137,02 ±55,13 ±18,16 ±15,57 ±2,72 - ±0,16 - - - - ±168,31
Sous-total ±77,41 ±138,62 ±72,94 ±18,57 ±16,37 ±14,17 ±1,42 ±4,17 - - - ±149,29 ±231,62
Taiga de la Cordillere Non boise - - ±7,44 ±38,26 ±60,78 - - - - - - ±107,18 ±129,24
Feuillus arboré ±24,18 ±19,34 ±14,33 ±21,77 ±32,91 ±0,67 - - - - - - ±52,17
Bois mixte arboré ±6,08 ±69,49 ±35,70 ±22,71 ±38,46 ±9,33 ±33,09 ±2,18 ±14,29 - - - ±97,60
Conifère arboré ±8,05 ±77,96 ±219,47 ±191,01 ±133,90 ±109,30 ±440,66 ±80,09 ±37,64 ±3,51 - - ±568,06
Sous-total ±26,20 ±106,21 ±222,94 ±197,33 ±155,52 ±109,69 ±441,90 ±80,12 ±40,26 ±3,51 - ±107,18 ±592,99
Cordillere boreale Non boise ±5,31 ±74,16 ±93,56 ±92,27 ±107,36 ±67,59 ±21,07 ±2,14 - - - ±156,99 ±252,95
Feuillus arboré ±65,22 ±80,22 ±140,53 ±116,82 ±61,40 ±97,95 ±78,54 ±36,40 ±5,39 ±5,32 ±4,63 - ±254,99
Bois mixte arboré ±33,59 ±52,42 ±162,80 ±135,21 ±120,73 ±114,62 ±88,20 ±92,12 ±39,11 ±21,22 ±60,19 - ±313,44
Conifère arboré ±55,42 ±120,37 ±273,71 ±327,91 ±314,28 ±428,46 ±343,34 ±250,06 ±214,86 ±89,47 ±365,36 - ±922,19
Sous-total ±92,09 ±170,80 ±360,45 ±384,66 ±358,67 ±459,22 ±363,70 ±268,97 ±218,46 ±92,11 ±370,31 ±156,99 ±1 038,11
Maritime du Pacifique Non boise - - - - - - - - - - - ±70,99 ±70,99
Bois mixte arboré ±12,33 ±19,38 ±21,11 ±42,84 ±28,42 ±25,21 ±10,93 ±10,23 ±2,65 ±0,03 ±17,70 - ±69,25
Feuillus arboré ±2,86 ±9,90 ±37,94 ±25,88 ±57,53 ±52,08 ±10,34 ±16,01 ±0,15 ±9,16 ±13,65 - ±94,19
Conifère arboré ±117,68 ±165,82 ±177,95 ±142,15 ±97,53 ±99,75 ±83,97 ±96,42 ±74,54 ±83,35 ±570,65 - ±683,51
Sous-total ±118,36 ±167,25 ±183,17 ±150,70 ±116,75 ±115,32 ±85,30 ±98,28 ±74,59 ±83,85 ±571,09 ±70,99 ±697,06
Cordillere montagnarde Feuillus arboré ±5,68 ±35,49 ±30,16 ±49,30 ±92,85 ±55,44 ±44,47 ±32,49 ±7,62 ±12,57 ±9,26 - ±140,22
Bois mixte arboré ±57,73 ±60,27 ±82,90 ±63,01 ±105,58 ±94,71 ±63,08 ±59,14 ±14,20 ±16,12 ±11,67 - ±214,48
Non boise ±4,15 ±3,98 - ±0,21 ±9,29 ±1,96 ±0,93 ±0,59 - ±0,13 - ±325,88 ±326,07
Conifère arboré ±269,03 ±275,20 ±202,53 ±233,31 ±349,15 ±345,04 ±331,43 ±319,71 ±235,04 ±207,39 ±576,40 - ±1 061,64
Sous-total ±275,24 ±283,98 ±220,91 ±246,65 ±376,51 ±362,08 ±340,30 ±326,76 ±235,60 ±208,40 ±576,59 ±325,88 ±1 139,76
Plaines hudsoniennes Feuillus arboré ±22,06 ±4,46 ±2,89 ±12,59 ±62,44 ±4,22 ±1,69 - - - - - ±67,77
Non boise - - ±0,15 ±3,75 ±1,46 ±0,21 - - - - - ±182,01 ±182,05
Bois mixte arboré ±10,40 ±16,41 ±17,55 ±18,69 ±20,18 ±269,11 ±6,18 ±1,45 - - - - ±271,85
Conifère arboré ±24,66 ±216,71 ±258,92 ±196,12 ±168,89 ±239,37 ±342,62 ±161,68 ±10,81 ±0,48 - - ±618,50
Sous-total ±34,69 ±217,37 ±259,53 ±197,45 ±181,20 ±360,19 ±342,68 ±161,69 ±10,81 ±0,48 - ±182,01 ±702,98
Canada Non boise ±49,58 ±91,92 ±118,52 ±131,17 ±133,39 ±87,61 ±22,04 ±5,19 ±2,47 ±3,01 ±0,92 ±851,00 ±890,14
Feuillus arboré ±370,03 ±381,48 ±485,14 ±599,62 ±528,80 ±325,63 ±184,31 ±88,79 ±29,53 ±18,01 ±17,14 - ±1 142,97
Bois mixte arboré ±372,43 ±396,38 ±435,22 ±507,95 ±492,72 ±429,28 ±211,91 ±130,35 ±57,00 ±34,37 ±66,69 - ±1 114,04
Conifère arboré ±660,79 ±1 037,41 ±1 121,04 ±1 128,07 ±1 196,61 ±1 487,53 ±1 333,61 ±762,59 ±376,41 ±251,81 ±921,42 - ±3 331,81
Total ±845,42 ±1 177,84 ±1 302,13 ±1 381,05 ±1 404,31 ±1 584,53 ±1 363,04 ±778,75 ±381,85 ±254,80 ±923,99 ±851,00 ±3 800,10
Source: Inventaire forestier national du Canada, données combinées remesurées (2007-2017) et projetées (2006-2017 avec système de projection IFN) (Version 3.1, Octobre 2025) (http://nfi.nfis.org)
Note: Les écozones de l'Arctique (Cordillère arctique, Haut-Arctique, Bas-Arctique), et les écozones de la Taïga des plaines et des Plaines hudsoniennes situées au Nunavut, ne sont pas répertoriées. La superficie totale s'élève à 262 189,89 mille ha.
1 Classe d'âge manquante ou inconnue.