Benthic macroinvertebrates along the Czech part of the Labe and lower section of the Vltava rivers from 1996-2005, with a particular focus on rare and alien species

0428786 - BC 2015 RIV SK eng J - Journal Article
Kolaříková, K. - Horecký, J. - Liška, M. - Jíchová, M. - Tátosová, J. - Lapšanská, N. - Hořická, Z. - Chvojka, P. - Beran, L. - Košel, V. - Matěna, Josef - Čiamporová-Zaťovičová, Z. - Krno, I. - Bulánková, E. - Šporka, F. - Kment, P. - Stuchlík, E.
Benthic macroinvertebrates along the Czech part of the Labe and lower section of the Vltava rivers from 1996-2005, with a particular focus on rare and alien species.
Biologia. Roč. 69, č. 4 (2014), s. 508-521. ISSN 0006-3088. E-ISSN 1336-9563
R&D Projects: GA ČR(CZ) GA526/09/0567
Institutional support: RVO:60077344
Keywords : taxonomic diversity * water quality * return * alien species
Subject RIV: EH - Ecology, Behaviour
Impact factor: 0.827, year: 2014

Taxonomic composition of macroinvertebrate communities was studied at 7 sites on the Czech part of the Labe River and 2 sites on the lower part of the Vltava tributary from 1996 to 2005 in a 3-years interval to detect expected changes concerned with improvements of water quality resulting from socioeconomic changes in the Czech Republic in the 1990`s. Four biological metrics used (Number of taxa, BMWP, Number of sensitive taxa, and Number of EPT taxa) demonstrated improvement of water quality and slightly improvement of the Labe microhabitats during the investigated period. The increasing number of taxa over time was observed at most of the sites. Two (main) concurrent ecological processes are recently occuring in the Labe: return of native species and expansion of alien species, some of them being invasive. Caddisfly Setodes punctatus as well as beetle Pomatinus substriatus, considered as regionally extinct in the Czech Republic, were rediscovered during our investigations. Finding of crustacean Hemimysis anomala (invasive) and chironomids Stenochironomus sp. and Lipiniella sp. were the first records of these taxa in the Czech Republic.
Permanent Link: http://hdl.handle.net/11104/0234724