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Table 3 Average and standard error of the mean (SE) of daily growing season net ecosystem exchange (NEE) and methane (CH4) emissions for each of the major peatland-containing ecozones [69]

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

(A) Fen categories combined for use with Peatlands of Canada Map
Ecozone NEE (g CO2 m−2 day−1) CH4 (mg CH4 m−2 day−1)
Bog Fen Bog Fen
n Avg SE n Avg SE n Avg SE n Avg SE
Atlantic Maritime 5 − 0.7 5.2 0 − 1.3 2.8 7 40.8 7.0 0 65.8 8.4
Boreal Plains 11 − 8.6 2.7 6 − 11.2 1.2 3 2.2 2.1 12 78.8 23.6
Boreal Shield 13 − 4.4 2.0 5 − 0.2 1.4 28 33.0 8.4 31 39.6 7.8
Hudson Plains 5 − 3.8 1.4 7 − 0.9 2.2 15 28.8 7.8 17 17.1 6.0
Mixedwood Plains 2 − 3.1 0.1 4 − 1.3 2.8 3 7.0 6.5 3 65.8 8.4
Taiga Plains 1 − 1.3 2.7 4 − 5.8 3.2 4 124.2 54.9 4 63.8 36.5
Taiga Shield 0 − 1.3 2.7 3 0.3 0.5 2 27.0 21.0 28 34.3 7.4
Total 37 − 4.9 1.3 29 − 3.5 1.1 62 35.8 6.2 95 40.8 5.1
  1. Italic values indicate where values were missing and thus estimated from a similar ecozone
(B) Fen categories separated for use with new peatlands map
Ecozone NEE (g CO2 m−2 day−1) CH4 (mg CH4 m−2 day−1)
Bog Poor fen Rich-intermediate Bog Poor fen Rich-intermediate
n Avg SE n Avg SE n Avg SE n Avg SE n Avg SE n Avg SE
Atlantic Maritime 5 − 0.7 5.2 0 − 1.3 2.8 0 − 0.9 2.2 7 40.8 7.0 0 65.8 8.4 0 17.1 6.0
Boreal Plains 11 − 8.6 2.7 1 − 12.5 0.5 5 − 10.2 1.1 3 2.2 2.1 1 0.9 9.4 11 85.8 24.7
Boreal Shield 13 − 5.5 2.1 1 0.4 0.5 4 − 0.3 1.8 28 33.0 8.4 12 34.2 9.4 19 43.0 11.4
Hudson Plains 5 − 5.4 1.7 0 − 1.3 2.8 7 − 0.9 2.2 15 28.8 7.8 0 34.2 9.4 17 17.1 6.0
Mixedwood Plains 2 − 7.6 2.1 4 − 1.3 2.8 0 Not mapped 3 3 7.0 3 65.8 8.4 0 Not mapped
Taiga Plains 1 − 1.3 2.7 0 0.3 0.5 4 − 5.8 3.2 4 124.2 54.9 1 165.3 11.6 3 30.0 19.4
Taiga Shield 0 − 1.3 2.7 3 0.3 0.5 0 − 5.8 3.2 2 27.0 21.0 7 39.5 11.6 21 32.5 9.2
Total 37 − 4.9 1.3 9 − 1.8 1.8 20 − 4.3 1.4 62 35.8 6.2 24 43.7 8.2 71 39.8 6.2
  1. Italic values indicate where values were missing and thus estimated from a similar ecozone