Contamination by Pb of Hacquetia epipactis Scop. DC and Urtica dioica L. Growing in Nature Reserves Affected by Local and Transboundary Emissions
Jolanta Kowol, Barbara Brodziak-Dopierała, Andrzej Paukszto, Robert Rochel, Ewa Nogaj, Jerzy Kwapuliński
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Department of Toxicology, Faculty of Pharmacy, Medical University of Silesia,
Jagiellońska 4, 41-200 Sosnowiec, Poland
Pol. J. Environ. Stud. 2012;21(1):145–152
The object of our study was to estimate Pb content in the legally-protected plant Hacquetia epipactis, as well as stinging nettle (Urtica dioica), in the nature reserves laid in the border zone between Poland and the Czech Republic. The following forms of Pb reserves in soil were determined for biotopes of these plants: pseudo- total content and speciation forms, as well as soluble and insoluble forms in dust settled on leaves. Migration of Pb was analyzed from forms directly bioavailable (exchangeable and adsorbed) and indirectly bioavailable (organically bound and carbonates) in soil in the soil-rhizome system. We also assessed the migration of Pb in settled dust system – leaves. Research shows that H. epipactis has the ability to accumulate Pb in the form of exchangeable and adsorbed Pb from the soil and soluble forms Pb in settled dust on the leaves.