Fig. 1From: Vegetation structure of planted versus natural Aleppo pine stands along a climatic gradient in SpainMean (±SE) for total and woody understory vegetation cover, richness and evenness in natural (grey) and planted (open) stands of P. halepensis forests in Humid (595 mm year−1), Medium (417 mm year−1) and Arid sites (332 mm year−1) in southeastern SpainBack to article page