Karst spring (1)
| Karst spring |
Submarine karst spring (2)
| Submarine karst spring |
Cave system (3)
| Cave system |
Karst groundwater dependent ecosystem (KGDE) (4)
| Karst groundwater dependent ecosystem (KGDE) |
Karst groundwater dependent ecosystem (KGDE) with spring (5)
| Karst groundwater dependent ecosystem (KGDE) with spring |
Karst groundwater dependent ecosystem (KGDE) with cave system (6)
| Karst groundwater dependent ecosystem (KGDE) with cave system |
Border between exposed and non-exposed karst aquifer (7)
| Border between exposed and non-exposed karst aquifer |
Sea level of the Mediterranean Sea (during the Messinian Salinity Crisis (7.25 – 5.3 million years before present), as documented by sediments (8)
| Sea level of the Mediterranean Sea (during the Messinian Salinity Crisis (7.25 – 5.3 million years before present), as documented by sediments |
Karstifiable rocks and others (9)
| Karst aquifers in sedimentary and metamorphic carbonate rocks |
| Karst aquifers in evaporite rocks |
| Various hydrogeological settings in other sedimentary and volcanic formations (karst aquifers are possibly present at depth) |
| Local, poor and shallow aquifers in other metamorphic and igneous rocks (no karst aquifers at depth) |
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