Fig. 2From: Disentangling the role of sex dimorphism and forest structure as drivers of growth and wood density in expanding Juniperus thurifera L. woodlandsVariations in tree density (violin and boxplots) for each stage of forest expansion (a). Sex percentage for each stage of forest expansion (b). All sampled juniper trees were considered (n = 816). The significant differences among stages of forest expansion (a) and between sexes at each stage of forest expansion (b) are denoted by small lettersBack to article page