University of Debrecen, H-4032 Debrecen, Egyetem ter., Hungary
Abstract
Assessment of heavy metal content in leaves of urban trees in Debrecen (Hungary) and Bangkok (Thailand)
Author(s): Vanda Eva Molnar
Urban tree species are commonly used for indirect monitoring of heavy metal pollution in urban environments due to their distribution and the cost-effectiveness of the analysis methods.We aimed to determine the spatial variation of heavy metal content in tree leaves at urban, rural and industrial sites in the central provinces of Thailand and also in the city of Debrecen, Hungary. Leaf samples were collected from Mimusopselengi and Ficusreligiosa in Thailand, and Celtisoccidentalis and Tilia × europaeain Hungary.Comparing the two species from Thailand, M. elengi contained Al, Cr, Fe, Na and Pb in significantly higher concentrations than F. religiosa. Meanwhile, F. religiosa contained Ca, Cu, K, Mn and Zn in significantly higher concentrations than M. elengi. Between the two species in Hungary, C. occidentalis contained significantly more Ba, Ca and Cr, while T. europaea containe.. View More»
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