Effects of ultraviolet-B radiation (UV-B) on growth and physiology of the dune grassland species Calamagrostis epigeios

absorbance absorbancia calamagrostis chlorophylle chlorophylls clorofilas efficiency eficacia feuille hojas irradiation leaves light luz ozone ozono pigment pigmentos pigments plant anatomy rayonnement ultraviolet ultraviolet radiation uso del agua utilisation de l'eau water use