UV-B and Mediterranean forest species: direct effects and ecological consequences. (Articolo in rivista)

Type
Label
  • UV-B and Mediterranean forest species: direct effects and ecological consequences. (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Paoletti E. (2005)
    UV-B and Mediterranean forest species: direct effects and ecological consequences.
    in Environmental pollution (1987)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paoletti E. (literal)
Pagina inizio
  • 372 (literal)
Pagina fine
  • 379 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 137 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, Ist Protez Piante, I-50019 Sesto Fiorentino, Italy (literal)
Titolo
  • UV-B and Mediterranean forest species: direct effects and ecological consequences. (literal)
Abstract
  • Experimental results from plants receiving elevated doses of UV-B radiation generally show that Mediterranean forest species are well protected against increases in UV-B radiation. Natural adaptations to water stress and excess light (elevated concentrations of UV-B screening compounds, leaf hairs, thick cuticle and epidermis), and UV-B responses (thickening of the cuticle, increase in carotenoids) may avoid or counter-balance UV-B radiation damage. This response confirms that Mediterranean forest vegetation is adapted to face oxidative stress factors, such as elevated tropospheric ozone concentrations, drought and high radiation, including UV-B. Nevertheless, in the long term, species-specific and season-specific differential responses in growth, physiology, phenology and reproductive behaviour may alter the interactions between species and lead to slow but important changes in ecosystem structure and function. Mediterranean plant adaptations against water stress and excess light may also afford protection against UV-B. (literal)
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