Fig. 18From: Under storm risk, economic productivity of Norway spruce (Picea abies (L.) H. Karst) in monoculture shows sharper decline than in mixture with European beech (Fagus sylvatica L.)The Pbias (x-axis (%)) values in the validation of the named tree species (y-axis) for basal area (green), diameter (orange), height (blue) and volume (pink)Back to article page