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Table 5 Effects of land-use/land-cover (LULC) changes on individual ecosystem services from 1982 to 2016/17 in the study watersheds

From: Changes in ecosystem service values strongly influenced by human activities in contrasting agro-ecological environments

Ecosystem services

ESV (US$ in thousands)

Guder

Aba Gerima

Debatie

1982

2006

2012

2017

1982

2005

2016

1982

2006

2011

2017

Provisioning services

 Water supply

1.1

0.5

0.5

1.3

0.9

0.3

0.3

0.4

0.3

0.1

0.1

 Food production

34.2

47.1

46.8

33.7

37.0

50.7

51.4

25.9

31.9

36.2

36.5

 Raw material

7.2

3.2

3.5

8.1

5.5

2.2

1.9

2.6

1.9

1.0

0.9

 Genetic resources

2.7

2.4

2.2

2.1

4.4

1.8

1.5

2.1

1.9

1.0

0.9

 Total

45.2

53.1

53.0

45.2

47.7

55.1

55.2

30.9

35.9

38.3

38.5

Regulating services

 Water regulation

1.2

0.7

0.7

1.2

1.0

0.5

0.4

0.8

0.6

0.4

0.4

 Water treatment

29.5

17.8

17.7

28.1

25.9

12.4

11.3

22.5

15.8

11.3

10.6

 Erosion control

37.9

18.3

19.5

41.0

30.0

12.7

11.2

17.5

12.5

7.5

7.2

 Climate regulation

31.3

13.8

15.1

35.4

23.9

9.6

8.3

11.2

8.1

4.1

4.1

 Biological control

4.8

6.6

6.5

4.3

5.3

6.9

7.0

4.5

4.9

5.4

5.3

 Gas regulation

2.8

1.6

1.6

2.7

2.4

1.1

1.0

1.9

1.4

1.0

0.9

 Disturbance regulation

0.7

0.3

0.3

0.8

0.5

0.2

0.2

0.3

0.2

0.1

0.1

 Total

108.1

59.2

61.5

113.4

89.1

43.4

39.5

58.8

43.5

29.8

28.7

Supporting services

 Nutrient cycling

25.9

11.4

12.5

29.2

19.7

7.9

6.9

9.2

6.7

3.4

3.4

 Pollination

5.2

5.6

5.4

4.5

5.4

5.2

5.2

5.1

4.6

4.4

4.3

 Soil formation

1.5

0.7

0.8

1.7

1.2

0.5

0.4

0.7

0.5

0.3

0.3

 Habitat/refugia

2.4

1.1

1.2

2.7

1.9

0.7

0.6

0.9

0.6

0.3

0.3

Total

35.0

18.8

19.9

38.2

28.2

14.4

13.1

15.9

12.4

8.5

8.3

Cultural services

 Recreation

0.8

0.4

0.4

0.8

0.6

0.3

0.2

0.4

0.3

0.2

0.2

 Cultural

0.3

0.1

0.1

0.3

0.2

0.1

0.1

0.1

0.3

0.2

0.2

 Total

1.1

0.5

0.5

1.1

0.8

0.4

0.3

0.5

0.5

0.3

0.3