[The Conversation Africa] Across West Africa, violent conflicts between farmers and herders have been regular occurrences for decades. Some analyses of these conflicts see the driver as competition over scarce resources like water and grazing land. Others point to economic, political and social interactions. They all tend to agree that climate change has reinforced farmer-herder relations in various ways. For example it has forced herders to change their migration patterns, reduced access to feed and made water scarcer.