Table 8 Scaled (average ± standard error) seasonal net ecosystem exchange (NEE, Mt CO2 season−1) and CH4 emissions (Mt CH4 season−1), CH4 as CO2 equivalents (Mt CO2e m−2 season−1) and net emission (Mt CO2e m−2 season−1) using
From: Spatially-integrated estimates of net ecosystem exchange and methane fluxes from Canadian peatlands
(A) Peatlands of Canada Map [13] | ||||||
|---|---|---|---|---|---|---|
Emission (Mt season−1) | Combined | Bog | Fen | |||
Average | SE | Average | SE | Average | SE | |
NEE (CO2) | − 118.9 | 66.4 | − 84.2 | 47.4 | − 34.7 | 18.9 |
CH4 | 6.9 | 4.1 | 4.6 | 1.8 | 2.3 | 2.3 |
CH4 (CO2e) | 172.6 | 101.4 | 116.0 | 44.8 | 56.6 | 56.6 |
Net emissions (CO2e) | 53.7 | 167.7 | 31.8 | 92.2 | 21.9 | 75.5 |
(B) new peatland map | ||||||||
|---|---|---|---|---|---|---|---|---|
Emission (Mt season−1) | Combined | Bog | Poor fen | Rich fen | ||||
Average | SE | Average | SE | Average | SE | Average | SE | |
NEE (CO2) | − 108.8 | 41.3 | − 76.0 | 36.4 | − 22.6 | 2.2 | − 10.2 | 2.7 |
CH4 | 4.1 | 1.5 | 3.0 | 1.1 | 0.6 | 0.2 | 0.5 | 0.1 |
CH4 (CO2e) | 101.8 | 36.4 | 75.3 | 27.4 | 14.6 | 5.6 | 11.9 | 3.4 |
Net emissions (CO2e) | − 7.0 | 77.6 | − 0.8 | 63.8 | − 7.9 | 7.7 | 1.7 | 6.1 |