Ecological parameter: preservation Descy

Parameter group: life related parameters

Explanation:
Classification as preservation indicator following Denys.

Descy, J.P. (1979): A new approach to water quality estimation using diatoms. Nova Hedwigia 64: 305-323.

Abbreviations:

Category name:	Abbreviations:	Explanation:
preservation indicator	indicator	preservation indicator
2	2	large
3	3	moderate
4	4	low
5	5	very low