Rapid changes in xanthophyll cycle-dependent energy dissipation and photosystem II efficiency in two vines, Stephania japonica and Smilax australis, growing in the understory of an open Eucalyptus forest

antheraxanthin biological rhythms bosques climbers enredaderas eucalyptus forests fotosistemas heat transfer light luz matorral ombre photosynthese photosynthesis photosystem ii photosystems plante grimpante radiation solaire rythme biologique scrub shade smilax solar radiation sombra sotobosque stephania thermal diffusion undergrowth understorey xanthophylle xanthophylls xantofilas zeaxanthin