Table 4 Area and Percentage change of habitat quality grade in the lake basin of central Yunnan (km2, %).

From: Impacts of land use change on habitat quality and its driving mechanisms in the lake basin of Central Yunnan

Grade

1990

2000

2010

2020

Area

Percentage

Area

Percentage

Area

Percentage

Area

Percentage

Low

46.84

1.02

71.19

1.55

147.19

3.20

220.93

4.81

Relatively low

2135.74

46.51

1810.96

39.43

1533.85

33.40

1531.06

33.34

Moderate

640.66

13.95

663.07

14.44

702.47

15.30

541.79

11.80

Relatively high

684.89

14.91

675.98

14.72

670.04

14.59

667.89

14.54

High

1084.35

23.61

1371.29

29.86

1538.92

33.51

1630.81

35.51

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