Acta Univ. Agric. Silvic. Mendelianae Brun. 2013, 61(1), 65-70 | DOI: 10.11118/actaun201361010065

The water quality of the river Svratka and its tributaries

Jan Grmela1, Tomáš Vítek1, Radovan Kopp2,3
1 Department of Zoology, Fisheries, Hydrobiology and Apiculture, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
2 Department of Zoology, Fisheries, Hydrobiology and Apiculture, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
3 Institute of Botany, Academy of Science of the Czech Republic, Lidická 25/27, 657 20 Brno, Czech Republic

Water quality in river depends on water quality of its tributaries. During the year 2011 nine selected sites downstream under the Vír dam (from 108 to 79 river km) were monitored. For observation were chosen tributaries Besének, Loučka, Nedvědička, Chlebský creek, Hodonínka, Vrtěžířský creek and Tresný creek. At the same time samples from the places above and under the whole monitored section of the river were taken. Basic physicochemical parameters were monitored monthly during the vegetation period. Flow velocity and discharge were assessed three times. Based on the water quality evaluation of, the river Svratka and its tributaries Hodonínka, Vrtěžířský creek and Tresný creek belong to the second quality class, tributaries Besének, Loučka, Nedvědička and Chlebský belong to the third quality class. In the monitored section the retention of phosphorus in annual amount about 2.2 tons were occurance. Annual volume of phosphorus at the end of observed section (upstream the Tišnov town) was nearly 17.5 tons. Annual total balance of nitrogen at the end of monitored section was 700 tons per year and 6000 tons of carbon per year. The major source of these nutrients is the river Loučka.

Keywords: physicochemical parameters, rivers, phosphorus
Grants and funding:

This study was supported by projects of Internal Grant Agency of the Faculty of Agronomy MENDELU in Brno No. IP 13/2012 and No. TP 4/2012 and by the research plan No. MSM6215648905 "Biological and technological aspects of sustainability of controlled ecosystems and their adaptability to climate change", which is financed by the Ministry of Education, Youth and Sports of the Czech Republic.

Received: December 19, 2012; Published: April 8, 2013  Show citation

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Grmela, J., Vítek, T., & Kopp, R. (2013). The water quality of the river Svratka and its tributaries. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 61(1), 65-70. doi: 10.11118/actaun201361010065
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