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Table 6 ESVs associated with ecosystem service functions (10 4 $, with 1990 as the base year)

From: Variation in ecosystem service values in response to land use changes in Zhifanggou watershed of Loess plateau: a comparative study

Ecosystem services

Years

Rank

1938

1958

1978

1987

1999

ESVs

% Change

ESVs

% Change

ESVs

% Change

ESVs

% Change

ESVs

% Change

Gas regulation

18.99

15.60

3.39

7.76

4.81

10.29

15.99

14.95

17.40

15.34

Climate regulation

15.08

12.39

5.62

12.84

5.89

12.60

13.32

12.45

14.06

12.40

Water supply

17.44

14.32

4.29

9.80

5.32

11.39

15.24

14.24

16.05

14.15

Soil formation and retention

22.28

18.30

9.37

21.41

11.44

24.48

19.57

18.29

20.99

18.50

Waste treatment

8.44

6.93

10.05

22.97

8.83

18.89

8.78

8.21

8.48

7.48

Biodiversity protection

18.05

14.82

4.88

11.15

6.53

13.96

15.54

14.53

16.71

14.73

Food

1.17

0.96

5.30

12.11

2.71

5.80

1.77

1.65

1.47

1.30

Raw material

13.60

11.17

0.61

1.39

0.72

1.53

11.17

10.44

12.24

10.79

Recreation and culture

6.73

5.52

0.25

0.56

0.49

1.06

5.62

5.25

6.04

5.33

Total

121.77

100

43.75

100

46.73

100

107.01

100

113.44

100

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