Ecological parameter: rare species

Parameter group: ecoregion related parameters

Explanation:
The category indicates, if a species is classified as rare and the ecoregion(s) in which it is considered to be rare. The category of rare species is based on both a spatial and temporal scale: species range, historical records (in specific ecoregions) and current number of records (in different ecoregions). It is a non-scientific and rough approach as demographic data like population size, number of metapopulations etc. are not available in a detailed way.

Type of assignment: presence/absence assignment system (including ecoregion)
A description of the coding system can be found here  Abbreviations/Coding Systems

Abbreviations:

Category name:	Abbreviations:	Explanation:
rare species	rasp	rare species
ecoregion number	er	number of the ecoregion, in which the taxon is rare

Assigned taxa for each higher systematic unit:

Taxagroup	Number of assigned taxa / total number of taxa - percentage
Ephemeroptera	138 / 353 - 39%
Odonata	33 / 174 - 18.9%
Plecoptera	111 / 576 - 19.2%
Trichoptera	119 / 1439 - 8.2%