Environmental Monitoring and Assessment

, Volume 69, Issue 3, pp 205-220

First online:

Analysis of Heavy Metals in Atmospheric Particulates in Relation to Their Bioaccumulation in Explanted Pseudevernia furfuracea Thalli

  • Antonella BariAffiliated withENEA Centro Ricerche
  • , Alessandra RossoAffiliated withENEA Centro Ricerche
  • , Maria Rita MinciardiAffiliated withENEA Centro Ricerche
  • , Francesco TroianiAffiliated withENEA Centro Ricerche
  • , Rosanna PiervittoriAffiliated withDipartimento di Biologia Vegetale Email author 

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Lichens explants and airborne particulates were analysed for Cr, Zn, Cd, Pb, Ni, Fe, Mn and Cu content in a rural site in the province of Vercelli (Piedmont, N. Italy). Thalliof the fruticose lichen Pseudevernia furfuracea were collected from an uncontaminated area and exposed for one yearusing two different techniques. Particulates were collected using a continuously operating particulate sampler set up nearthe lichens explanted throughout the experiment survey.The results confirm both the importance of assessing contamination in rural areas corroborated by the analysis of the presence of the heavy metals in particulates in relationto the main wind directions and the validity of this lichen asbiomonitor of airborne metal pollution, although meaningfuldifferences were pointed out between the two different techniques of exposure. The significant correlation between most of the metals accumulated by lichens and the metal air concentrations shows a good evidence of their ability to represent atmospheric contamination.

atmospheric particulates bioaccumulation heavy metals lichens northern Italy Pseudevernia furfuracea transplantation technique