Influence of Anthropogenic Loads on Surface Water Status: A Case Study in Lithuania

Laima Česonienė, Daiva Šileikienė, Vitas Marozas and Laura Čiteikė
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Laima Česonienė: Institute of Environment and Ecology, Faculty of Forest Science and Ecology, Vytautas Magnus University, Agriculture Academy, Studentų str., LT-53361 Akademija, Lithuania
Daiva Šileikienė: Institute of Environment and Ecology, Faculty of Forest Science and Ecology, Vytautas Magnus University, Agriculture Academy, Studentų str., LT-53361 Akademija, Lithuania
Vitas Marozas: Institute of Environment and Ecology, Faculty of Forest Science and Ecology, Vytautas Magnus University, Agriculture Academy, Studentų str., LT-53361 Akademija, Lithuania
Laura Čiteikė: Institute of Environment and Ecology, Faculty of Forest Science and Ecology, Vytautas Magnus University, Agriculture Academy, Studentų str., LT-53361 Akademija, Lithuania

Sustainability, 2021, vol. 13, issue 8, 1-15

Abstract: Twenty-six water bodies and 10 ponds were selected for this research. Anthropogenic loads were assessed according to pollution sources in individual water catchment basins. It was determined that 50% of the tested water bodies had N total values that did not correspond to the good and very good ecological status classes, and 20% of the tested water bodies had P total values that did not correspond to the good and very good ecological status classes. The lake basins and ponds received the largest amounts of pollution from agricultural sources with total nitrogen at 1554.13 t/year and phosphorus at 1.94 t/year, and from meadows and pastures with total nitrogen at 9.50 t/year and phosphorus at 0.20 t/year. The highest annual load of total nitrogen for lake basins on average per year was from agricultural pollution from arable land (98.85%), and the highest total phosphorus load was also from agricultural pollution from arable land (60%).

Keywords: pollution; ecological status indicators; water quality (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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