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Lichen Biomonitoring of Airborne Microplastics in Milan (N Italy)

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  • معلومة اضافية
    • Contributors:
      Jafarova, Mehriban; Contardo, Tania; Aherne, Julian; Loppi, Stefano
    • الموضوع:
      2022
    • Collection:
      Università degli Studi di Siena: USiena air
    • نبذة مختصرة :
      This study investigated the deposition of airborne microplastics (MPs) in the urban area of Milan across 12 sites and at a background control site (northern Italy) using 3-month transplants of the fruticose lichen species Evernia prunastri (exposed in triplicate). The primary objective was to evaluate the use of lichen transplants for the assessment of MP deposition; as such, the study sites spanned a gradient in vehicular traffic and population density across four concentric land-use zones (i.e., urban parks, centre, semi-periphery, and periphery). A total of 149 MP particles were detected in the exposed lichen samples; 94.6% were classified as fibres and 5.4% as fragments. The control site and urban parks experienced a similar number of MPs per gram of dry lichen (20–26 MP/g), while a higher number of MPs were detected in central and peripheral areas (44–56 MP/g), with a clear increasing gradient from the city centre towards the periphery. We estimated the MP deposition in Milan to be in the range of 43–119 MPs m2/d, indicating that people living in Milan are exposed to airborne MPs, with potential health effects. This study suggests that lichens are suitable biomonitors of airborne MPs under a relatively short exposure of three months in urban environments.
    • File Description:
      ELETTRONICO
    • Relation:
      info:eu-repo/semantics/altIdentifier/wos/WOS:000900514300001; volume:11; issue:12; numberofpages:7; journal:BIOLOGY; https://hdl.handle.net/11365/1222235; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85144855864; https://www.mdpi.com/2079-7737/11/12/1815
    • الرقم المعرف:
      10.3390/biology11121815
    • الدخول الالكتروني :
      https://hdl.handle.net/11365/1222235
      https://doi.org/10.3390/biology11121815
      https://www.mdpi.com/2079-7737/11/12/1815
    • Rights:
      info:eu-repo/semantics/openAccess
    • الرقم المعرف:
      edsbas.53DAB8DB