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Congruence Evaluation of Mercury Pollution Patterns Around a Waste Incinerator over a 16-Year-Long Period Using Different Biomonitors

1
Department of Life Sciences, University of Trieste, Via Licio Giorgieri, 10, 34127 Trieste, Italy
2
Department of Biology, University of Naples Federico II, Italy, Cupa Nuova Cintia, 21, 80126 Napoli, Italy
*
Author to whom correspondence should be addressed.
Atmosphere 2019, 10(4), 183; https://doi.org/10.3390/atmos10040183
Received: 28 February 2019 / Revised: 28 March 2019 / Accepted: 2 April 2019 / Published: 5 April 2019
(This article belongs to the Special Issue Biomonitoring of Atmospheric Pollution)
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Abstract

To date, there has been an ever-increasing interest in complementary air monitoring techniques, which may fill the deficiencies of air quality networks. The present work reports the results concerning five biomonitoring surveys (BSs) performed in the proximity of a waste incinerator (WI) over a 16-year period. Hg emission related to the WI activity was monitored by means of both active and passive BSs based on three photosynthetically-active biomonitors (i.e., two epiphytic lichens: Pseudevernia furfuracea and Xanthoria parietina; one vascular plant: Robinia pseudoacacia) collected or exposed before and/or after the WI installation, and after a four-month period of inactivity. Hg concentration values observed in biomonitor samples varied according to the implemented species and to the status of WI plant (active vs. inactive). Our data demonstrate that, in the same pollution scenario, P. furfuracea accumulates three times more Hg than both X. parietina and R. pseudoacacia. The results are discussed in the context of the actual European Union directives concerning air pollution monitoring and assessment, revealing that both active and passive BSs are efficient tools to provide a reliable estimation of the spatial changes of Hg concentrations in the environment. View Full-Text
Keywords: biomonitor; Hg pollution; Pseudevernia furfuracea; Robinia pseudoacacia; waste incinerator; Xanthoria parietina biomonitor; Hg pollution; Pseudevernia furfuracea; Robinia pseudoacacia; waste incinerator; Xanthoria parietina
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Fortuna, L.; Candotto Carniel, F.; Capozzi, F.; Tretiach, M. Congruence Evaluation of Mercury Pollution Patterns Around a Waste Incinerator over a 16-Year-Long Period Using Different Biomonitors. Atmosphere 2019, 10, 183.

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