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Ecological parameter: transversal distribution according to Tachet

Parameter group: region related parameters

Explanation:
This trait describes transversal distribution of aquatic invertebrates in river systems, ranging from the main river channel to water bodies more or less connected to the main channel, e.g. lakes or temporary waters. Seven categories (including groundwaters) are defined.

Tachet, H., Bournaud, M., Richoux, P. & Usseglio-Polatera, P. (2010): Invertébrés d'eau douce - systématique, biologie, écologie. CNRS Editions, Paris, 600 p.


Additional information:
Note that several classifications of the Tachet database are on higher taxonomic level than on species level. To display them in the list please enable "include higher taxonomic units" in the "advanced search".

Abbreviations:
Category name:Abbreviations:Explanation:
river channelrichriver channel
banks, connected side-armsbcsabanks, connected side-arms
ponds, pools, disconnected side-armsppdsaponds, pools, disconnected side-arms
marshes, peat bogsmapbmarshes, peat bogs
temporary waterstmpwtemporary waters
lakeslakelakes
groundwatersgwgroundwaters
Assigned taxa for each higher systematic unit:
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Bivalvia3 / 77 - 3.8%
Bryozoa6 / 19 - 31.5%
Coelenterata2 / 13 - 15.3%
Coleoptera52 / 2678 - 1.9%
Crustacea11 / 270 - 4%
Diptera (excl. Chironomidae)2 / 2404 - 0%
Ephemeroptera16 / 353 - 4.5%
Gastropoda15 / 241 - 6.2%
Heteroptera10 / 124 - 8%
Hirudinea10 / 68 - 14.7%
Kamptozoa1 / 1 - 100%
Lepidoptera4 / 19 - 21%
Nemertini1 / 1 - 100%
Odonata17 / 174 - 9.7%
Oligochaeta16 / 240 - 6.6%
Planipennia1 / 12 - 8.3%
Plecoptera9 / 576 - 1.5%
Polychaeta1 / 13 - 7.6%
Porifera3 / 12 - 25%
Trichoptera38 / 1439 - 2.6%
Turbellaria4 / 61 - 6.5%