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Vitality assessment of exposed lichens along different altitudes. Influence of weather conditions.

Authors
  • Vieira, Bruno J1, 2
  • Freitas, M C3
  • Wolterbeek, H Th4
  • 1 Campus Tecnológico e Nuclear (CTN), Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066, Bobadela, Lisboa, Portugal. [email protected] , (Portugal)
  • 2 Reactor Institute Delft, Department Radiation Science & Technology, Section Radiation and Isotopes for Health, Technical University Delft, Mekelweg 15, 2629 JB, Delft, The Netherlands. [email protected] , (Netherlands)
  • 3 Campus Tecnológico e Nuclear (CTN), Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066, Bobadela, Lisboa, Portugal. , (Portugal)
  • 4 Reactor Institute Delft, Department Radiation Science & Technology, Section Radiation and Isotopes for Health, Technical University Delft, Mekelweg 15, 2629 JB, Delft, The Netherlands. , (Netherlands)
Type
Published Article
Journal
Environmental Science and Pollution Research
Publisher
Springer-Verlag
Publication Date
May 01, 2017
Volume
24
Issue
13
Pages
11991–11997
Identifiers
DOI: 10.1007/s11356-016-6868-x
PMID: 27206751
Source
Medline
Keywords
License
Unknown

Abstract

To evaluate the effects of the ambient climatic conditions in lichen vitality along some well oriented transect in different altitudes, lichen transplants of Parmotrema bangii were exposed approximately every 250 m starting from 50 to 1500 m during a 1-year period in 3 transects along Pico mountain at Azores; electric conductivity of leachates, elemental concentrations, and the ambient conditions such as temperature, precipitation, humidity, and altitude were the compared parameters. According to the obtained values of electric conductivity, it is credible to consider that vitality was not seriously affected under different altitudes. In accordance with previous studies, electric conductivity values in this study show high negative correlation with precipitation and humidity. The significantly high differences between minimum and maximum electric conductivity values found along the altitude transect makes that, when comparing elemental concentrations in time or spatial series, it is required a comparison with lichen vitality, because the different vitality stages could induce variability in metal uptake.

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