Table 2 Emission factors used in this study

From: Identifying hotspots of greenhouse gas emissions from drained peatlands in the European Union

Land use category

CO2

CH4

N2O

DOC

Ditch

GWP

Boreal

 Forest Land NP

0.92 ± 0.88 (n = 59)

0.33 ± 0.09 (n = 47)

0.09 ± 0.04 (n = 43)

0.44 ± 0.1 (n = 10)

0.15 ± 0.09 (n = 11)

1.79 ± 0.9

 Forest Land NR

3.41 ± 1.39 (n = 62)

0.20 ± 0.09 (n = 83)

1.37 ± 0.6 (n = 75)

0.44 ± 0.1 (n = 10)

0.15 ± 0.09 (n = 11)

5.42 ± 1.72

 Cropland

28.97 ± 5.31 (n = 39)

0 ± 0 (n = 38)

5.57 ± 2.42 (n = 36)

0.44 ± 0.1 (n = 10)

0.79 ± 0.74 (n = 6)

35.75 ± 7.51

 Grassland

20.89 ± 10.44 (n = 8)

0.04 ± 0.02 (n = 12)

4.06 ± 1.85 (n = 16)

0.44 ± 0.1 (n = 10)

0.79 ± 0.74 (n = 6)

27.03 ± 13.45

 Peat extraction

10.26 ± 5.68 (n = 20)

0.16 ± 0.13 (n = 15)

0.13 ± 0.05 (n = 4)

0.44 ± 0.1 (n = 10)

0.37 ± 0.37 (n = 6)

11.36 ± 6.22

Temperate

 Forest Land

9.53 ± 2.38 (n = 8)

0.07 ± 0.04 (n = 13)

1.14 ± 0.5 (n = 13)

1.14 ± 0.25 (n = 12)

0.15 ± 0.09 (n = 11)

12.93 ± 3.27

 Cropland

28.95 ± 5.31 (n = 39)

0 ± 0 (n = 38)

5.57 ± 2.42 (n = 36)

1.14 ± 0.25 (n = 12)

0.79 ± 0.74 (n = 6)

36.45 ± 7.62

 Grassland NR, DD

22.35 ± 4.21 (n = 39)

0.43 ± 0.41 (n = 44)

3.51 ± 1.54 (n = 47)

1.14 ± 0.25 (n = 12)

0.79 ± 0.74 (n = 6)

28.22 ± 5.95

 Grassland NR, SD

13.19 ± 1.65 (n = 13)

1.05 ± 1.13 (n = 16)

0.69 ± 0.3 (n = 7)

1.14 ± 0.25 (n = 12)

0.79 ± 0.74 (n = 6)

16.42 ± 2.27

 Peat extraction

10.26 ± 5.68 (n = 20)

0.16 ± 0.13 (n = 15)

0.13 ± 0.05 (n = 4)

1.14 ± 0.25 (n = 12)

0.36 ± 0.32 (n = 6)

12.05 ± 6.5

  1. n number of sites used for the estimate, NP nutrient poor, NR nutrient rich, DD deep drainage, SD shallow drainage, GWP = 100-year global warming potential (IPCC, AR6), has been used and including the uncertainty within each GWP conversion.
  2. Emission factors (t CO2e ha-1 annually-1 ± standard error of each EF and number of sites n) for CO₂, CH₄, N₂O, DOC, and ditch emissions by land use category and climate zone. Source: IPCC (2014).