2020
DOI: 10.1007/s11270-020-04758-w
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Evaluation of Acer rubrum Tree Bark as a Bioindicator of Atmospheric Heavy Metal Pollution in Toronto, Canada

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Cited by 8 publications
(3 citation statements)
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“…Youssaf et al 23 measured tree barks as a bioindicator to assess air pollution in downtown Toronto and reported high levels of Pb and Mn in trees on the roadside with heavy tra c. Our study also found that the urban group's Mn and Pb levels were signi cantly higher.…”
Section: Discussionsupporting
confidence: 62%
“…Youssaf et al 23 measured tree barks as a bioindicator to assess air pollution in downtown Toronto and reported high levels of Pb and Mn in trees on the roadside with heavy tra c. Our study also found that the urban group's Mn and Pb levels were signi cantly higher.…”
Section: Discussionsupporting
confidence: 62%
“…Compared to previous reports, the detected trace metal(loid)s in the outer bark samples exhibited much higher concentrations than those in urban areas in Thailand [66], Toronto, Canada [67], and three European cities [20]. Similar concentrations of Cu, Zn, Cr, and Sb but lower concentrations of Pb, As, and Cd were observed in oak (Quercus) in urban areas in Stassfurt, Germany [19].…”
Section: Trace Metal(loid) Accumulation In Vegetables Aerial Roots An...contrasting
confidence: 57%
“…Wolswijk et al (2018) analisaram a distribuição de mercúrio em sedimentos, tecidos vegetais e animais na reserva florestal Matang Mangrove na Malásia e encontraram alta concentração de Hg nas folhas, proveniente da absorção pelo ar ou ela deposição atmosférica, quando comparado a outros tecidos vegetais. Yousaf et al (2020) analisaram as cascas de árvores no entorno de Toronto no Canadá e notaram que as amostras estavam fortemente enriquecidas com metais pesados, principalmente nos locais próximos às estradas com tráfego elevado de veículos. Além disso, Ishtiaq et al (2017) demonstraram que as folhas de espécies arbóreas podem ser usadas como bioindicadores de poluição do ar em zona urbana, pois os metais pesados e outros particulados provenientes do uso de veículos estão afetando diretamente as folhas das árvores, devido a sua capacidade de penetrar na folha, modificar ou destruir suas células e tecidos.…”
Section: Discussionunclassified