Ecological parameter: moisture van Dam

Parameter group: habitat related parameters

Explanation:
Classification as moisture indicator following van Dam et al. (1994). Two different classifactions are provided: values modified by Coste (Lecointe et al., 1993) and values by van Dam et al. (1994).

Van Dam, H., Mertens, A. & Sinkeldam, J. (1994): A coded checklist and ecological indicator values of freshwater diatoms from the Netherlands. Netherlands J. Aquatic Ecol. 28 (1): 117-133.
Lecointe, C., Coste, M. & Prygiel, J. (1993): OMNIDIA software for taxonomy, calculation of diatom indices and inventories management. Hydrobiologia 269/270: 509-513.

Type of assignment: single category assignment system ()
A description of the coding system can be found here  Abbreviations/Coding Systems

Abbreviations:

Category name:	Abbreviations:	Explanation:
1	1	never, or only very rarely, occurring outside water bodies
2	2	mainly occurring in water bodies, sometimes on wet places
3	3	mainly occurring in water bodies, also rather regularly on wet and moist places
4	4	mainly occurring on wet and moist or temporarily dry places
5	5	nearly exclusively occurring outside water bodies