Ecological parameter: trophy Schiefele & Schreiner

Parameter group: trophy related parameters

Explanation:
Classification as trophic indicator following Schiefele & Schreiner (1991). Values taken from Coring et al. (1999).

Schiefele, S. & Schreiner, C. (1991): Use of diatoms for monitoring nutrient enrichment, acidification and impact of salt in rivers in Germany and Austria. In: Whitton, B.A., Rott, E. & Friedrich, G. (eds.): Use of algae for monitoring rivers, Institut für Botanik Universität Innsbruck, Studia 103-110.
Coring, E., Schneider, S., Hamm, A. & Hofmann, G. (1999): Durchgehendes Trophiesystem auf der Grundlage der Trophieindikation mit Kieselalgen.

Type of assignment: metric value (1.5 to 4)
A description of the coding system can be found here  Abbreviations/Coding Systems

Abbreviations:

Category name:	Abbreviations:	Explanation:
trophic indicator (range: 1.5 - 4)	indicator	trophic indicator (range: 1.5 - 4)