Table 5 Changes in the supply value of individual ESs in the study area.

From: Ecological impacts and supply demand evolution of the Yangtze to Huaihe water transfer project in Anhui section

Ecosystem services

Individual ES supply 2000、2010、2020 (hundred million)

2000 year

2010 year

2020 year

Food production

130.34

127.74

125.53

Raw material production

41.09

40.48

39.96

Water supply

− 83.65

− 80.36

− 77.31

Gas regulation

145.84

143.65

141.77

Climate regulation

188.31

186.91

185.66

Decontaminate the environment

90.17

89.92

89.85

Hydrological regulation

825.15

824.07

825.81

Soil conservation

116.95

115.61

114.47

Maintaining nutrient cycling

21.34

20.97

20.65

Biodiversity

108.7

108.36

108.24

Landscape aesthetics

57.35

57.24

57.27

Ecosystem service supply

1641.58

1577.35

1631.9