Criteria | Géologie | Altitude | Pente | Os |
Geology | 1 | 1/3 | 1 | 1/7 |
Altitude | 7 | 1 | 9 | 7 |
Slope | 1 | 1/9 | 1 | 1/7 |
Land use | 7 | 1/7 | 7 | 1 |