PASSIVE MONITORING OF TRACE ELEMENTS BY MEANS OF TREE LEAVES, EPIPHYTIC LICHENS AND BARK SUBSTRATE

@article{Loppi1997PASSIVEMO,
  title={PASSIVE MONITORING OF TRACE ELEMENTS BY MEANS OF TREE LEAVES, EPIPHYTIC LICHENS AND BARK SUBSTRATE},
  author={Stefano Loppi and Luca Nelli and Stefania Ancora and R. Bargagli},
  journal={Environmental Monitoring and Assessment},
  year={1997},
  volume={45},
  pages={81-88}
}
Total concentrations of Al, Cu, Fe, Hg, Mn, Mo and Zn in theepiphytic lichen Parmelia caperata, substrate bark andleaves of oaks (Quercus cerris and Q. pubescens)from a background area in Tuscany (central Italy) werecompared. The elemental composition of unwashed samples,especially bark, was clearly affected by soil dustcontamination, thereby leading to incorrect interpretations ofbaseline concentrations and relationships between elements.The normalization of total element concentrations to… 

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