Information

Ecological parameter:  current preference

Parameter group: habitat preference parameters

Explanation:
Current preference describes the preference of a taxon for a certain current velocity following Schmedtje & Colling (1996).

Schmedtje, U. & Colling, M. 1996. ├ľkologische Typisierung der aquatischen Makrofauna. Informationsberichte des Bayerischen Landesamtes f├╝r Wasserwirtschaft 4/96.


Classification system: single category assignment system

Abbreviations:
Category nameAbbreviationExplanation
limnobiontliboccurring only in standing waters
limnophillippreferably occurring in standing waters; avoids current; rarely found in slowly flowing streams
limno to rheophillrppreferably occurring in standing waters but regularly occurring in slowly flowing streams
rheo to limnophilrlpusually found in streams; prefers slowly flowing streams and lentic zones; also found in standing waters
rheophilrhpoccurring in streams; prefers zones with moderate to high current
rheobiontrhboccurring in streams; bound to zones with high current
indifferentindno preference for a certain current velocity
Assigned taxa for each higher systematic unit
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Porifera6 / 9 - 66.6%
Coelenterata6 / 13 - 46.1%
Turbellaria16 / 60 - 26.6%
Nematomorpha1 / 1 - 100%
Gastropoda62 / 230 - 26.9%
Bivalvia42 / 66 - 63.6%
Polychaeta1 / 13 - 7.6%
Oligochaeta86 / 234 - 36.7%
Hirudinea20 / 66 - 30.3%
Branchiobdellida4 / 8 - 50%
Araneae1 / 1 - 100%
Hydrachnidia3 / 253 - 1.1%
Crustacea39 / 255 - 15.2%
Ephemeroptera227 / 344 - 65.9%
Odonata72 / 158 - 45.5%
Plecoptera263 / 571 - 46%
Heteroptera73 / 124 - 58.8%
Megaloptera3 / 6 - 50%
Planipennia5 / 12 - 41.6%
Coleoptera841 / 3342 - 25.1%
Hymenoptera1 / 39 - 2.5%
Trichoptera985 / 1428 - 68.9%
Lepidoptera4 / 18 - 22.2%
Diptera (excl. Chironomidae)98 / 2342 - 4.1%
Chironomidae41 / 1278 - 3.2%
Bryozoa11 / 16 - 68.7%