Wetland type
- 1 - springs
- 2 - stream, stream segment
- 3 - floodplain lake (backwater), oxbow, pool
- 4 - floodplain forest, alder or willow carr, or other wetland forest
- 5 - flooded or wet meadow
- 6 - other aquatic or wetland biotopes
- 7 - reedswamp, sedge marshes
- 8 - mire, i.e. bog or fen
- 9 - mountain lake
- 10 - salt marsh
- 11 - canal, ditch
- 12 - industrial settling pond
- 13 - fishpond
- 14 - fishpond system
- 15 - reservoir
- 16 - quarry, gravel or sand pit