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- Human-made wetlands (19)
- Inland wetlands (23)
- Marine/Coastal wetlands ( - )
- A — Permanent shallow marine waters (8)
- E — Sand, shingle or pebble shores (19)
- F — Estuarine waters; permanent water of estuaries and estuarine systems of deltas. (43)
- H — Intertidal marshes (35)
- J — Coastal brackish/saline lagoons (3)
- K — Coastal freshwater lagoons (1)
- Zk(a) - Karst and other subterranean hydrological systems (25)