Abstract
The paper evaluates the status of selected fluvial lakes situated in the central part of the Elbe River and the impact of anthropogenic activities including comparison with the Elbe River water quality on them. To achieve the goals of the project, eight researched lakes differed from each other in the intensity of communication with the river, morphometric parameters and in the possibility of anthropogenic contamination (industrial, agricultural and municipal) were chosen. Besides observing the hydrological regime, the research was focused on physical and chemical parameters of water. To sum up, the lakes communicating above ground with the river showed similarities in several parameters, e.g. organic load or conductivity was nearly at the same level, which was lower than in the separated ones. Although the values of nitrates were higher in the river, their content did not reach such concentrations even in the connected lakes because of their more stagnant character. In general, although the Elbe River has a significant effect on water quality of researched lakes, especially in the case of lakes with a restricted communication with the river, their water quality is a result of local conditions, e.g. possibility of contamination by sewage waters, land use in the vicinity, etc.
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Acknowledgements
This research was funded by project SVV-2010-261 201 “Research of Physical-Geographical Changes of the Environment” and by the Czech Ministry of Education Project “Geographical Systems and Risk Processes in the Context of Global Change and European Integration” (MSM 0021620831). The research was also supported by the grants 257/2005/B-GEO “Water and Sediment Quality of Fluvial Lakes in the Czech Republic” and 321/2004/B-GEO “Biological Evaluation of Water Quality—Comparing Study of Rivers and Fluvial Lakes”, funded by the Charles University Grant Agency.
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Chalupová, D., Havlíková, P. & Janský, B. Water quality of selected fluvial lakes in the context of the Elbe River pollution and anthropogenic activities in the floodplain. Environ Monit Assess 184, 6283–6295 (2012). https://doi.org/10.1007/s10661-011-2419-6
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DOI: https://doi.org/10.1007/s10661-011-2419-6