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    Description

    The focus of this research was on elucidation of the role of deciduous tree ecosystems in accumulation of fine-particle-associated polycyclic aromatic hydrocarbons (PAHs) and heavy metals on leaves of deciduous trees. The studied species were Tilia x euchlora (frequently infested by sooty mold fungi) and Pyrus calleryana (unaffected by sooty mold fungi). The selected species have similar leaf morphology and were exposed to identical environmental conditions. Intra-species comparison showed that moldy linden leaves accumulate significantly higher amounts of PAHs and metals than unaffected linden leaves. Inter-species comparison revealed that in the absence of sooty mold fungi, physico-chemical properties of epicuticular waxes, rather than the amounts of waxes, might play an important role in accumulation of particulate matter on leaves.

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    Citation

    Jouraeva, Venera A.; Johnson, David L.; Hassett, John P.; Nowak, David J.; Shipunova, Natalia A.; Barbarossa, Dana. 2006. Role of sooty mold fungi in degradation of polycycllic aromatic hydrocarbons (PAHS) in soil. Environmental Research. 102: 272-282.

    Keywords

    sooty mold fungi, fine particulate matter, PM2.5, polycyclic aromatic hydrocarbons, PAHs, heavy metals, atmospheric air pollution, deciduous tree ecosystem

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https://www.fs.usda.gov/treesearch/pubs/18825