Information

Ecological parameter:  pH Hakansson

Parameter group: habitat related parameters

Explanation:
Classification as pH indicator following Hakansson (1993). Values taken from OMNIDIA (Lecointe et al., 1993).
Hakansson, S. (1993): Numerical methods for the inference of pH variations in mesotrophic and eutrophic lakes in Southern Sweden - A progress report. Diatom Res. 8 (2): 349-370
Lecointe, C., Coste, M. & Prygiel, J. (1993): OMNIDIA software for taxonomy, calculation of diatom indices and inventories management. Hydrobiologia 269/270: 509-513.

Abbreviations:

Category name	Abbreviation	Explanation
pH indicator	indicator	pH indicator
1	ACB	acibiontic
2	ACBP	acidophilous to acibiontic
3	ACP	acidophilous
4	INAC	indifferent to acidophilous
5	IND	indifferent or neutral
6	AKIN	alkaliphilous to indifferent
7	AKP	alkalipholous
8	AKPB	alkaliphilous to alkalibiontic
9	AKB	alkalibiontic

Assigned taxa for each higher systematic unit

Taxagroup	Number of assigned taxa / total number of taxa - percentage
Surirellacees	625 / 6949 - 8.9%