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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Bučienė, Angelija;Gaigalis, Kazimieras
Title: Chemical composition of wet deposits and drainage runoff in agroecosystems: the case of Middle Lithuania
Is part of: Baltica. Vilnius : Lietuvos geografų draugija, 2012, vol. 25, no. 1
Extent: p. 153-162
Date: 2012
Keywords: Wet deposits;Chemical concentration;Drainage runoff;Agroecosystems;Lithuania
Abstract: The consistent patterns of chemical composition of wet deposits and drainage runoff concentration have been permanently studied in two stationary sites in the Middle Lithuania for the last decades since late 1980s. The results of simultaneous observations presented in this paper show that the concentration of SO4 -2–S, Mg+2, PO4 -3-P, NO3 --N, NH4 +-N and Ca+2 in wet deposits positively correlates with the concentration of these ions in drainage runoff water (R=0.59, 0.61, 0.51, 0.49, 0.42 and 0.35, correspondingly, R05=0.35). A sharp decrease in SO4 -2–S concentration from 5.5 to 2.5 mg l-1 and periodical decrease versus increase in NO3 --N and NH4 +- N concentration and load are determined in the agroecosystems studied from 1988–1989 with short intervals to 2007. This outcome has mainly an economic character: impact of changes in animal numbers, increase of transport load, fuel consumption and industrial emissions
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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