Fig. 2From: Using airborne laser scanning data for detecting canopy gaps and their understory type in mature boreal forestForest landscapes and classification of canopy gaps into the five types based on the field inventory: DDW downed deadwood; VEGE seedlings and vegetation; UNDER VEGE and DDW; NO_UNDER no seedlings, vegetation, or DDW; and OTHERS gaps with some DDW or seedlingsBack to article page