Modelling the effects of elevated atmospheric CO2 on crown development, light interception and photosynthesis of poplar in open top chambers

arbre forestier biomasa biomass biomasse branche branches branching canopy carbon dioxide carbon dioxide enrichment clone clones couvert cubierta de copas dioxyde de carbone entre noeud forest trees indice de surface foliaire internodes internodios largura leaf area index length light longueur luz photosynthese photosynthesis plant anatomy populus populus euramericana ramas ramification simulation