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 |