Table 4 Changes in land use in YHWD project types of land/km2.

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

Types of land

2000 year

2010 year

2020 year

Farmland

51,693.24

50,558.2

19,587.9

Forest

6988.08

6963

6929.81

Grassland

2050.38

2037.1

2023.84

Water

4492.22

4513.1

4552.13

Build-up land

8498.57

9651.63

10,619.18

Unused land

3.51

2.97

13.14

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