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Title: TRACE ELEMENTS AND SOIL PROPERTIES IN HAPLIC LUVISOLS FROM SOUTHERN RHODOPE MOUNTAINS UNDER PINUS SYLVESTRIS
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TRACE ELEMENTS AND SOIL PROPERTIES IN HAPLIC LUVISOLS FROM SOUTHERN RHODOPE MOUNTAINS UNDER PINUS SYLVESTRIS
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1314-2704
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English
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21
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3.1
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• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA |
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Study on the trace elements in Haplic Luvisols and trends of their migration have been carried out in the sites localized at altitude of 1200m in the most Southern part of the Rhodope Mountains bordered to Greece. In that region, there are no industrial or mining enterprises so the technogenic pollution is not expectable to be found. Heavy metal concentrations in the mineral soil vary depending on concentration in parent rock. Content of trace elements was determined after acid dissolving (HF+HClO4) and respectively their concentrations by atomic absorption method. Data on laboratory analysis show that behavior of trace elements in the studied soils was influenced by pH, organic matter and by the content of clay fraction characterized with high adsorbing surface area. Cu content increased at depth, due to the prevalence of the intensity of its migration downwards over the intensity of migration upward to the surface. The accumulation of Zn and Pb in the surface horizons, especially in the litter of the needles, was related to their stable complexes with organic matter, due to their disposition to form rather ionic bond than covalent one. The distribution of Cu, Co, Ni, Cr decreased in the surface horizons, which coincided with the fine clay fraction content in soil horizons. The high amount of Pb (44 mg/kg-1 dry mass) in the upper horizons and (114 mg/kg-1 dry mass) in the litter showed the need of its monitoring in that region.
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conference
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
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21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
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Proceedings Paper
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STEF92 Technology
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SGEM International Multidisciplinary Scientific GeoConference
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci
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427-436
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16 - 22 August, 2021
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website
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cdrom
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8018
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trace elements; migration; coniferous ecosystem; soil properties
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