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Article

Revealing Soil and Tree Leaves Deposited Particulate Matter PTE Relationship and Potential Sources in Urban Environment

1
The Center for Ecological-Noosphere Studies of the National Academy of Sciences, Abovian-68, Yerevan 0025, Armenia
2
Biophysics and Nanoscience Centre, Dipartimento di Scienze Ecologiche e Bioloigche (DEB)—Università degli Studi della Tuscia, Largo dell’Università snc, 01100 Viterbo, Italy
3
Istituto di Ricerca Sugli Ecosistemi Terrestri-Consiglio Nazionale delle Ricerche (IRET-CNR), Via G. Marconi 2, 05010 Porano, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Yu-Pin Lin
Int. J. Environ. Res. Public Health 2021, 18(19), 10412; https://doi.org/10.3390/ijerph181910412
Received: 7 September 2021 / Revised: 29 September 2021 / Accepted: 30 September 2021 / Published: 3 October 2021
(This article belongs to the Special Issue Feature Papers in Environmental Science and Engineering)
Trees play a pivotal role in improving urban environmental quality and provide several ecosystem services including the removal of pollutants from the air, such as particular matter (PM) and potentially toxic elements (PTE). Therefore, understanding the tree PM and PTE capturing potential, also in connection with plant species, is of great concern, especially in urban areas. This study aims to reveal the link between the elemental composition of PM deposited on tree leaves and soils PTE contents, as well as to rank the PM capturing efficiency of 10 different tree species growing under the impact of urban environments. This also allowed us to test the efficiency of PM deposited on tree leaves as a PTE biomonitoring and pollution source identification tool, in the two biggest urban areas of Armenia. Indeed, high contents of PTE are detected in both soil- and leaf-deposited PM from sites characterized by the presence of localized and active pollution sources (i.e., industrial unites, high traffic, etc.), which are identified by specific tracers (such as Mo, Cu, Zn, Pb, and Cd). Among the studied tree species, the highest PM amount per unit leaf area is observed for Platanus orientalis, but elm species are also identified as promising canditates to be considered for their PM removing potential, and need to be included in future more details studies. View Full-Text
Keywords: potentially toxic elements; urban trees; pollution; environmental compartments potentially toxic elements; urban trees; pollution; environmental compartments
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MDPI and ACS Style

Tepanosyan, G.; Baldacchini, C.; Sahakyan, L. Revealing Soil and Tree Leaves Deposited Particulate Matter PTE Relationship and Potential Sources in Urban Environment. Int. J. Environ. Res. Public Health 2021, 18, 10412. https://doi.org/10.3390/ijerph181910412

AMA Style

Tepanosyan G, Baldacchini C, Sahakyan L. Revealing Soil and Tree Leaves Deposited Particulate Matter PTE Relationship and Potential Sources in Urban Environment. International Journal of Environmental Research and Public Health. 2021; 18(19):10412. https://doi.org/10.3390/ijerph181910412

Chicago/Turabian Style

Tepanosyan, Gevorg, Chiara Baldacchini, and Lilit Sahakyan. 2021. "Revealing Soil and Tree Leaves Deposited Particulate Matter PTE Relationship and Potential Sources in Urban Environment" International Journal of Environmental Research and Public Health 18, no. 19: 10412. https://doi.org/10.3390/ijerph181910412

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