Ecosystem

types

Year 2000

Year 2010

Year 2020

Organic matter/ 10⁴t

Carbon fixation/ 10⁴t

Oxygen release/ 10⁴t

Organic matter/ 10⁴t

Carbon fixation/ 10⁴t

Oxygen releaser/ 10⁴t

Organic matter/ 10⁴t

Carbon fixation/ 10⁴t

Oxygen releaser/ 10⁴t

Forest

10.61

17.18

12.73

16.25

26.33

19.50

16.61

26.91

19.94

Grassland

3.82

6.18

4.58

1.60

2.59

1.92

1.38

2.23

1.65

Farmland

12.33

19.98

14.80

7.52

12.18

9.02

6.60

10.70

7.92

Wetland

1.20

1.95

1.44

1.08

1.76

1.30

1.58

2.55

1.89

Total

27.96

45.29

33.55

26.45

42.85

31.74

26.17

42.39

31.40

Ecosystem

types

Year 2000

Nutrient accumulation/t

Year 2000

Nutrient accumulation/t

Year 2000

Nutrient accumulation/t

Nitrogen (N)

Phosphorus (P)

Potassium (K)

Nitrogen (N)

Phosphorus (P)

Potassium (K)

Nitrogen (N)

Phosphorus (P)

Potassium (K)

Forest

1213.45

95.93

482.98

1859.61

147.01

740.16

1900.82

150.27

756.56

Grassland

436.69

34.52

173.81

182.76

14.45

72.74

157.33

12.44

62.62

Farmland

1411.01

111.54

561.61

860.23

68.00

342.39

755.37

59.71

300.65

Wetland

137.64

10.88

54.78

124.02

9.80

49.36

180.43

14.26

71.81

Total

3198.80

252.87

1273.18

3026.63

239.26

1204.65

2993.94

236.68

1191.64