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Table 5 Peatland areas by ecozone [69] from the Peatlands of Canada Map [13] and the new peatlands map from this study

From: Spatially-integrated estimates of net ecosystem exchange and methane fluxes from Canadian peatlands

Ecozone Peatlands of Canada peatland areas (103 km2) New peatland map peatland areas (103 km2) New peatland map peatland areas by expanded categories (103 km2)
Bog Fen Swamp Marsh Bog Poor fen Rich fen Forested Bog Treed Bog Open Bog Forested Poor Fen Treed Poor Fen Open Poor Fen Forested Rich Fen Treed Rich Fen Open Rich Fen
Arctic Cordillera 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Northern Arctic 2.0 2.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Southern Arctic 13.3 3.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Taiga Plains 131.1 44.6 0.0 0.0 71.6 4.9 0.2 43.4 17.0 11.1 3.5 1.4 0.1 0.1 0.1 0.003
Taiga Shield 81.6 55.9 0.0 1.0 33.4 0.3 0.012 4.0 7.8 21.6 0.1 0.1 0.1 0.003 0.003 0.006
Boreal Shield 259.8 58.8 3.5 0.0 218.7 48.8 8.1 187.0 25.0 6.8 41.0 5.9 1.8 5.1 2.1 0.9
Atlantic Maritime 8.0 2.1 0.3 0.1 5.5 0.4 0.001 5.1 0.3 0.1 0.3 0.03 0.001 0.001 0.001 0.0
Mixedwood Plains 1.7 1.1 1.7 0.5 1.4 0.005 0.0 1.2 0.2 0.011 0.004 0.001 0.0 0.0 0.0 0.0
Boreal Plains 83.1 64.2 0.0 0.0 106.4 57.0 26.7 88.2 12.4 5.8 48.6 7.0 1.4 21.4 5.1 0.3
Prairie 0.2 0.4 0.0 0.0 2.4 0.4 0.1 1.1 1.3 0.1 0.3 0.1 0.0 0.1 0.0 0.0
Taiga Cordillera 4.1 0.0 0.0 0.0 1.8 0.0 0.0 0.1 0.7 1.1 0.0 0.0 0.0 0.0 0.0 0.0
Boreal Cordillera 5.7 1.4 0.0 0.0 5.6 0.0 0.0 1.5 2.8 1.3 0.0 0.0 0.0 0.0 0.0 0.0
Pacific Maritime 3.4 0.3 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0
Montane Cordillera 3.2 9.3 0.0 0.0 0.7 0.0 0.0 0.2 0.1 0.4 0.0 0.0 0.0 0.0 0.0 0.0
Hudson Plains 127.7 130.4 0.0 0.2 85.5 34.9 13.7 33.5 19.2 32.8 17.4 13.0 4.5 3.2 8.4 2.1
Total 724.9 374.1 5.5 1.9 533.1 146.7 48.9 365.2 86.7 81.2 111.4 27.6 7.8 29.8 15.7 3.3
% of total area 66 34 0 0 73 20 7 50 12 11 15 4 1 4 2 0
  1. Italic ecozone names are the seven primary peatland-containing ecozones considered in this study