Information

Ecological parameter:  pH preference

Parameter group: habitat preference parameters

Explanation:
As pH fluctuates both annually and daily, pH preference of the occurring taxa often better reflects the acidity status of a water body than direct measurements.There are 3 categories: acid, neutral to alkaline & indifferent.

Classification system: single category assignment system

Abbreviations:
Category nameAbbreviationExplanation
acidacipH < 7
neutral to alkalineneupH = 7
indifferentindno specifi c preference
Assigned taxa for each higher systematic unit
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Ephemeroptera95 / 344 - 27.6%
Plecoptera73 / 571 - 12.7%
Trichoptera124 / 1428 - 8.6%
Chironomidae107 / 1278 - 8.3%