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Ecological parameter: small-scale geographical distribution according to Berthold Robert

Parameter group: ecoregion related parameters

Explanation:
This parameter shows the distribution of caddisfly (Trichoptera) species in small area units within the Western Palearctic region according to an extensive literature review compiled by B. Robert (2015).

Robert, B. (2015): Distribution of caddisfly species (Insecta: Trichoptera) in the Western Palearctic region. Unpublished compilation.

Abbreviations:

main geographical region	geographical subregion	ecoregion sensu Illies	country	region number

Assigned taxa for each higher systematic unit:

Taxagroup	Number of assigned taxa / total number of taxa - percentage
Trichoptera	1078 / 1439 - 74.9%