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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 -