The Status of the Mantovo Reservoir and Management Perspectives
2015
Paunović, Momir M. (Institute for Biological Research Siniša Stanković, Belgrade (Serbia)) | Slavevska-Stamenković, Valentina (Faculty of Natural Sciences and Mathematics, Skopje (Former Yugoslav Republic of Macedonia). Institute of Biology) | Smiljkov, Stoe (Faculty of Natural Sciences and Mathematics, Skopje (Former Yugoslav Republic of Macedonia). Institute of Biology) | Prelić, Dana (Faculty of Natural Sciences and Mathematics, Skopje (Former Yugoslav Republic of Macedonia). Institute of Biology) | Ristovska, Milica (Faculty of Natural Sciences and Mathematics, Skopje (Former Yugoslav Republic of Macedonia). Institute of Biology) | Kostov, Vasil (Institute of Animal Science - Fisheries Department, Skopje (Former Yugoslav Republic of Macedonia)) | Shoreva, Irina (Faculty of Natural Sciences and Mathematics, Skopje (Former Yugoslav Republic of Macedonia). Institute of Biology) | Rimcheska, Biljana (Faculty of Natural Sciences and Mathematics, Skopje (Former Yugoslav Republic of Macedonia). Institute of Biology)
The objective of this study is to contribute to the optimization of monitoring activities of the Mantovo Reservoir (South-Eastern part of the Republic of Macedonia), to propose effective measures to reduce the pressures and improve the status of the reservoir. Development of an effective system of water bodies status assessment in accordance with the recommendations of the EU Water Framework Directive - 2000/60/EC, which includes more frequent monitoring of physico-chemical parameters, optimization of monitoring of chemical determinants, more intensified involvement of biological monitoring and identification of basin specific pollutants were pointed out as priority activities. Regarding the optimization of the monitoring activities, our study showed that monthly monitoring of water quality determinants could be reduced to the following physico-chemical parameters: temperature, pH, transparency, DO and oxygen saturation, nutrients (NH4 +, NO2 -, NO3 -, TP), calcium, magnesium and metals (iron, manganese and copper), BOD and COD (KMnO4 ). Manganese, iron and copper were found to be important pollutants for the Mantovo Reservoir. Our opinion is that biological monitoring should be more frequent, but it could be limited to the survey of two dominant species Limnodrilus hoffmeisteri and Chaoborus crystallinus. A set of measures for the status improvement of the reservoir is proposed in this paper that includes: hydro-technical works at the mouth of the Kriva Lukavica River aimed at reducing the inflow of pollutants, reservoir bank stabilization, reduction of pollution caused by urban waste waters, regulation of construction activities in the area of the reservoir and proper management of sports activities.
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