Integration of soil and water conservation measures in an intensively cultivated watershed – a case study of Jihlava river basin (Czech Republic)

Konečná Jana (), Karásek Petr, Fučík Petr, Podhrázská Jana, Pochop Michal, Ryšavý Stanislav and Hanák Roman
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Konečná Jana: Research Institute for Soil and Water Conservation, Department of Land Consolidations and Landscape Use, Lidická 25/27, 602 00 Brno, Czechia
Karásek Petr: Research Institute for Soil and Water Conservation, Department of Land Consolidations and Landscape Use, Lidická 25/27, 602 00 Brno, Czechia
Fučík Petr: Ph. D., Research Institute for Soil and Water Conservation, Žabovřeská 250, 156 27 Prague, Czechia
Podhrázská Jana: Research Institute for Soil and Water Conservation, Department of Land Consolidations and Landscape Use, Lidická 25/27, 602 00 Brno, Czechia
Pochop Michal: Research Institute for Soil and Water Conservation, Department of Land Consolidations and Landscape Use, Lidická 25/27, 602 00 Brno, Czechia
Ryšavý Stanislav: AQUATIS, a.s., Botanická 834, 602 00 Brno, Czechia
Hanák Roman: AQUATIS, a.s., Botanická 834, 602 00 Brno, Czechia

European Countryside, 2017, vol. 9, issue 1, 17-28

Abstract: Reduction of nitrogen and phosphorus inputs into surface waters from nonpoint agricultural sources requires targeted application of differentiated measures. In the study focused on soil and water conservation in the Jihlava river basin upstream of the Dalešice reservoir, we identified areas at potential risk of soil erosion, elevated infiltration and nutrient leaching, tile-drained areas and vulnerable riparian zones of water bodies. We then designed a system of complex protective measures for this river basin in more variants, and their effectiveness was estimated using simple empirical model calculations and research findings. Application of the measures defined by optimal variant 3 in the studied watershed could lead to reduction of the soil erosion effects on the surface water quality by 26.5 %, with simultaneous reduction of the amount of washed out total nitrogen by 22.8 %. The results of our study constitute a partial component of the Qualitative Model of the Jihlava River Basin and they were provided for use to the Vysočina Region authorities and the State Land Office.

Keywords: Dalešice reservoir; non-point agricultural pollution; nitrogen; phosphorus; soil erosion; nutrient leaching; protective measures; Jihlava River; vodní nádrž Dalešice; plošné zemědělské znečištění; dusík; fosfor; vodní eroze; vyplavování živin; ochranná opatření; řeka Jihlava (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:eurcou:v:9:y:2017:i:1:p:17-28:n:2

DOI: 10.1515/euco-2017-0002

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