arbre (1) marais (1) mortalité (1) morphologie (1) lumière (1) environnement (1) effet (1) index (1) Mortality (1) Morphology (1) Development (1) Indexes (1) Yellow birch (1) Sugar maple (1) Nature and nurture (1) Mortality (1) Morphology (1) Manufacturers' agents (1) Light (1) Indexes (1) Growth (1) Euthenics (1) Ecology (1) Dead (1) Crowns (1) Commission merchants (1) Change (1) Adaptation (Biology) (1) Phenotypic plasticity (1) Size (1)