Forest-savanna contact and forest regrowth in the Ivory Coast. — The authors have studied forest regrowth on cultivated plots bordering a forested plateau outrider in the territory of Sakassou, southwest of the Baoulé's "V" in the preforest Guinea savanna. Using data collected from the Baoulé peasants, 4 catenae, 50-55 m by 5 m, were identified on 3 plots which had been brought into cultivation in specific years; an incultivated check plot was used as reference. These observations reveal man's inductive and accelerative role in reaforestation through subsistence farming on the skirts of the forest. His methods of agriculture, which have put an end to clearing by fire and destroyed Graminaceae, have given rise to secondary thickets.