espèce (1) lumière (1) feuille (1) arbre à feuilles caduques (1) comparaison (1) pièce d'exposition (1) calcul (1) Seedlings (1) Comparison (1) Area (1) Area (1) Yellow birch (1) Trees--Seedlings (1) Toleration (1) Sugar maple (1) Species (1) Shades and shadows (1) Seedlings (1) Plasticity (1) Nets (1) Light (1) Leaves (1) Impact (1) Forest regeneration (1) Evidence (1) European beech (1) Phenotypic plasticity (1) Size (1) tolérance (1)