Elemental concentrations in deposited dust on leaves along an urbanization gradient

Simon, Edina and Baranyai, Edina and Braun, Mihály and Cserháti, Csaba and Fábián, István and Tóthmérész, Béla (2014) Elemental concentrations in deposited dust on leaves along an urbanization gradient. SCIENCE OF THE TOTAL ENVIRONMENT, 490. pp. 514-520. ISSN 0048-9697

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Environmental health is an essential component of the quality of life in modern societies. Monitoring of environmental quality and the assessment of environmental risks are often species based on the elemental concentration of deposited dust. Our result suggested that stomata size and distribution were the most important factors influencing the accumulation of air contaminants in leaves. We found that the leaves' surfaces of Acer negundo and Celtis occidentaliswere covered by a large number of trichomes, and these species have proven to be suitable biomonitors for atmospheric pollution difficult; these can be overcome using bioindicator species. Leaves of Padus serotina, Acer campestre, A. negundo, Quercus robur and C. occidentaliswere used to assess the amount of deposited dust and the concentration of contaminants in deposited dust in and around the city of Debrecen, Hungary. Samples were collected from an urban, suburban and rural area along an urbanization gradient. The concentrations of Ba, Cu, Fe,Mn, Ni, Pb, S, Sr and Zn were determined in deposited dust using ICP–OES. Scanning electron microscopy (SEM) was used to explore the morphological structure and dust absorbing capacity of leaves. We found significant differences in dust deposition among species, and dust deposition correlated with trichomes' density. Principal component analysis (PCA) also showed a total separation of tree.

Item Type: Article
Subjects: Q Science / természettudomány > Q1 Science (General) / természettudomány általában
Q Science / természettudomány > QH Natural history / természetrajz > QH540 Ecology / ökológia
Depositing User: Dr E Simon
Date Deposited: 17 Jul 2017 15:50
Last Modified: 17 Jul 2017 15:50

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