Fig. 3From: Patterns of forest composition and their long term environmental drivers in the tropical dry forest transition zone of southern AfricaHistograms showing the differences between historical and recent plots. Change in stem density is for stems with minimum diameter at breast height (DBH) of 10Â cm. Change in basal area for Burkea africana, Dialium englerianum and Ochna pulchra is for stems with minimum DBH of 20Â cmBack to article page