Microlithic and ceramic industries were also established by savanna pastoralists from at least the 4th millennium BC and were continued by subsequent agricultural communities.  In the south, hunting and gathering gave way to subsistence farming around the same time, relying more on the indigenous yam and oil palm than on the cereals important in the North. 
Microlithic and ceramic industries were also established by savanna pastoralists from at least the 4th millennium BC and were continued by subsequent agricultural communities.  In the south, hunting and gathering gave way to subsistence farming around the same time, relying more on the indigenous yam and oil palm than on the cereals important in the North. 