Table 2 Environmental variables and contribution degree after removing spatial correlation.
From: Suitability prediction of potential arable land in southeast coastal area of China
Variable | Percent contribution | Permutation importance |
---|---|---|
Ele | 43.3 | 22.4 |
BIO2 | 22.2 | 29.4 |
Clay | 9 | 0.2 |
Gravel | 7 | 6.9 |
BIO12 | 5.7 | 22.6 |
Silt | 4.4 | 1.8 |
Dist-Water | 3.5 | 1.6 |
CEC | 1.7 | 4.2 |
Caco3 | 1.4 | 2.6 |
BIO3 | 0.8 | 7.1 |
BIO15 | 0.4 | 0.5 |
BIO14 | 0.3 | 0.1 |
BIO4 | 0.3 | 0.5 |