Water Quality and Biotic Community of a Highland Stream under the Influence of a Eutrophic Fishpond

0385967 - BÚ 2013 RIV DE eng J - Journal Article
Kopp, Radovan - Vítek, T. - Šťastný, J. - Sukop, I. - Brabec, T. - Ziková, A. - Spurný, P. - Mareš, J.
Water Quality and Biotic Community of a Highland Stream under the Influence of a Eutrophic Fishpond.
International Review of Hydrobiology. Roč. 97, č. 1 (2012), s. 26-40. ISSN 1434-2944. E-ISSN 1522-2632
Institutional research plan: CEZ:AV0Z60050516
Institutional support: RVO:67985939
Keywords : macrozoobenthos * pond * phytobenthos * chemical analyses * fish
Subject RIV: EF - Botanics
Impact factor: 0.870, year: 2012

The influence of the fishpond on the chemical composition of the stream was mainly demonstrated by a higher concentration of organic matter and total phosphorus. Cyanobacteria species (Woronichinia naegeliana) were particularly dominant in the phytoplankton of the fishpond in autumn. Altogether, we identified 164 taxa of benthic macroinvertebrates in running waters of the stream. The structure of macrozoobenthos communities from all localities of the stream indicated good water quality and a low influence of environmental stressors with no negative effects of the fishpond. In total, six fish species were registered in all profiles. The condition of the fish population was mainly influenced by the fishery management of the stream (stocking, angling). Generally, the influence of the discharge water from the fishpond was recognizable in small changes in both chemical and biological variables of the stream.
Permanent Link: http://hdl.handle.net/11104/0220144