Pastoralists produce food in the world 's harshest environments, and pastoral production supports the livelihoods of rural populations on almost half of the world 's land. Several hundred million people are pastoralists, mostly in Africa and Asia. Pastoralists manage rangelands covering about a third of the Earth 's terrestrial surface and are able to produce food where crop production is not possible.
what functions did pastoralists provide between settled communities
pastoral production supports the livelihoods of rural populations on almost half of the world 's land