Comparison of species richness of light trap-collected caddisfly assemblages (Insecta: Trichoptera) using rarefaction

Schmera, Dénes (2002) Comparison of species richness of light trap-collected caddisfly assemblages (Insecta: Trichoptera) using rarefaction. Opuscula Zoologica, 34. pp. 77-83. ISSN 0237-5419 (print), 2063-1588 (online)

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Abstract

ConselVation value of light trap-collected caddisfly assemblages(Insecta: Trichoptera) was evaluated on the basis of their species richness. The assemblage coming from an artificial stream showed a higher conservation value based on species richness than the natural ones. In contrast, using rarefaction, the conservation value of the assemblage in the artificial stream was lower in comparison with assemblages in natural habitats. Further examples are given to demonstrate the importance of rarefaction in comparing species richness of assemblages.

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