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Ecological parameter: current preference

Parameter group: habitat related parameters

Explanation:
The parameter provides information on the preference of a taxon for a certain current velocity class following Schmedtje & Colling (1996).

Schmedtje, U. & Colling, M. (1996): ├ľkologische Typisierung der aquatischen Makrofauna. Informationsberichte des Bayerischen Landesamtes f├╝r Wasserwirtschaft 4/96, 543 pp.


Classification system: single category assignment system
A description of the coding system can be found here  Abbreviations/Coding Systems

Abbreviations:
Category name:Abbreviations:Explanation:
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
Araneae1 / 7 - 14.2%
Bivalvia52 / 77 - 67.5%
Branchiobdellida4 / 8 - 50%
Bryozoa11 / 19 - 57.8%
Chironomidae40 / 1315 - 3%
Coelenterata6 / 13 - 46.1%
Coleoptera580 / 2678 - 21.6%
Crustacea65 / 270 - 24%
Diptera (excl. Chironomidae)101 / 2404 - 4.2%
Ephemeroptera227 / 353 - 64.3%
Gastropoda70 / 241 - 29%
Heteroptera73 / 124 - 58.8%
Hirudinea29 / 68 - 42.6%
Hydrachnidia3 / 253 - 1.1%
Hymenoptera1 / 39 - 2.5%
Lepidoptera6 / 19 - 31.5%
Megaloptera3 / 6 - 50%
Nematomorpha1 / 1 - 100%
Odonata165 / 174 - 94.8%
Oligochaeta88 / 240 - 36.6%
Planipennia6 / 12 - 50%
Plecoptera265 / 576 - 46%
Polychaeta1 / 13 - 7.6%
Porifera6 / 12 - 50%
Trichoptera990 / 1439 - 68.7%
Turbellaria18 / 61 - 29.5%