Table 2 Parameters of ESV for different land use types in the main urban area of Guangzhou.
Primary types | ESV calculation index | Forest | Grass land | Cultivated land | Water body | Bare land |
|---|---|---|---|---|---|---|
Provisioning services | Food production | 9.88 | 3.41 | 43.94 | 22.14 | 0.00 |
Raw material | 22.48 | 4.77 | 4.09 | 12.26 | 0.00 | |
Water supply | 11.58 | 2.73 | − 78.01 | 185.31 | 0.00 | |
Regulating services | Gas regulation | 73.92 | 17.37 | 35.77 | 45.31 | 0.68 |
Climate regulation | 221.42 | 45.65 | 18.40 | 100.15 | 0.00 | |
Purify environment | 65.75 | 14.99 | 5.45 | 155.68 | 3.41 | |
Water regulation | 161.47 | 33.38 | 82.10 | 2153.93 | 1.02 | |
Supporting services | Soil conservation | 90.27 | 21.12 | 4.43 | 55.19 | 0.68 |
Nutrient cycling | 6.81 | 1.70 | 6.13 | 4.09 | 0.00 | |
Biodiversity | 82.10 | 19.08 | 6.81 | 177.48 | 0.68 | |
Cultural services | Aesthetic landscape | 36.11 | 8.52 | 2.73 | 112.76 | 0.34 |