puits (1) espèce (1) région (1) régénération (1) forêt (1) écosystème (1) Regeneration (1) Development (1) Composition (1) Area (1) Methods (1) Area (1) Values (1) Species (1) Harvesting (1) Experience (1) Examinations (1) Evidence (1) Change (1) Black spruce (1) Methods (1) Location (1) Influence (1) Structure (1) Areas (1) Harvesting (1)