Information

Ecological parameter:  maximal potential size according to Tachet

Parameter group: life parameters

Explanation:
The maximal potential size corresponds to the maximal size that the last aquatic stage of the taxon can reach in a large variety of (more or less favorable) environmental conditions. Seven categories have been defined.

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:
AbbreviationExplanation
<= 0.25 cm<= 0.25 cm
> 0.25 - 0.5 cm> 0.25 - 0.5 cm
> 0.5 - 1 cm> 0.5 - 1 cm
> 1 - 2 cm> 1 - 2 cm
> 2 - 4 cm> 2 - 4 cm
> 4 - 8 cm> 4 - 8 cm
> 8 cm> 8 cm
Assigned taxa for each higher systematic unit
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Porifera3 / 9 - 33.3%
Coelenterata2 / 13 - 15.3%
Turbellaria4 / 60 - 6.6%
Kamptozoa1 / 1 - 100%
Nemertini1 / 1 - 100%
Gastropoda15 / 230 - 6.5%
Bivalvia3 / 66 - 4.5%
Polychaeta1 / 13 - 7.6%
Oligochaeta16 / 234 - 6.8%
Hirudinea10 / 66 - 15.1%
Crustacea11 / 255 - 4.3%
Ephemeroptera16 / 344 - 4.6%
Odonata17 / 158 - 10.7%
Plecoptera9 / 571 - 1.5%
Heteroptera10 / 124 - 8%
Planipennia1 / 12 - 8.3%
Coleoptera53 / 3342 - 1.5%
Trichoptera38 / 1428 - 2.6%
Lepidoptera4 / 18 - 22.2%
Diptera (excl. Chironomidae)2 / 2342 - 0%
Bryozoa6 / 16 - 37.5%