marais (1) sol (1) régénération (1) forêt (1) effet (1) âge (1) Regeneration (1) Colonization (1) Seedlings (1) Ectomycorrhizal fungi (1) Vesicular-arbuscular mycorrhizas (1) Yellow birch (1) Sugar maple (1) Sugar (1) Soils (1) Seedlings (1) Plants (1) Mycorrhizas (1) Maple (1) Cutting (1) Communities (1) Colonization (1) Birch (1) Age (1) Age (1) Size (1) Structure (1) Areas (1) Roots (1)