[The Conversation Africa] Nature isn't confined to officially protected areas. A lot can be done to conserve biodiversity in other places too. The United Nations Convention on Biological Diversity agreed in 2018 on the idea of "other effective area-based conservation measures" (OECMs). These are geographically defined areas which can be managed in ways that protect biodiversity, ecosystem functions and "where applicable, cultural, spiritual, socio-economic, and other locally relevant values." Geographer Ndidzulafhi Innocent