Table 7 Field classification standard for karst rocky desertification.

From: Machine learning algorithm for estimating karst rocky desertification in a peak-cluster depression basin in southwest Guangxi, China

Classification of KRD

Exposure rate of bedrock (%)

Vegetation and soil coverage (%)

Distribution character of the exposed rock

NKRD

 < 30

70

None

LKRD

30–50

50–70

Point

MKRD

50–70

30–50

Point, line

SKRD

70–90

20–30

Line, patch

ESKRD

 > 90

20

Patch

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