The response of chironomid assemblages to mineral richness gradient in the Western Carpathian helocrenes

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Authors

SYROVÁTKA Vít BOJKOVÁ Jindřiška RÁDKOVÁ Vanda

Year of publication 2012
Type Article in Periodical
Magazine / Source Fauna Norvegica
MU Faculty or unit

Faculty of Science

Citation
Web http://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/1403/1405
Doi http://dx.doi.org/10.5324/fn.v31i0.1403
Field Ecology
Keywords Chironomidae; spring fens; basicity; water chemistry; mineral richness
Attached files
Description We investigated the effect of water mineral richness (basicity) on chironomid assemblages of helocrene springs in the Western Carpathians. To do so, we tested for relationships between the taxonomic structure, total abundance and abundance of most frequent taxa of chironomid assemblages and mineral richness gradient in two contrasting habitats: trickle (A) and water-loged soil with standing water (B). Chironomid assemblage showed a strong and systematic response to the complex gradient of mineral richness, which explained the largest portion of variance in both the habitat A and B faunal data and was projected on the first axes of NMDS ordinations. As only 17 samples were analysed so far, the results are considered preliminary and, hopefully, more confident results will be available in near future.
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