Table 2 Grouping criteria
Group | GEOLOGY | n | REGION | n | CLC | n |
|---|---|---|---|---|---|---|
G1 | Siliciclastic rocks | 47 | North (NMED) Mediterranean | 242 | Artificial surfaces (ARTS) | 61 |
G2 | Quaternary sediments | 98 | Middle (midMED) Mediterranean | 234 | Agricultural surfaces (AGRS) | 355 |
G3 | Carbonate rocks | 946 | South (SMED) Mediterranean | 313 | Forests and (FSNA) seminatural areas | 829 |
G4 | Carbonate clastic rocks | 103 | Mountainous zone (MOUNT) | 346 | Wetlands (WTL) | 2 |
G5 | Flysch | 54 | Sub-mountainous zone (subMOUNT) | 112 |