Fig. 1From: Variation in black spruce (Picea mariana (Mill.) BSP) wood quality after thinningChange before and after thinning year (time = 0) in ring width (RW, millimetres) (a), early-wood width (EWW, millimetres) (b) and latewood width (LWW, millimetres) (c) for both thinned (CT, black circle) and control (C, white triangle) standsBack to article page