Regional perspectives on agriculture and biodiversity in the drylands of Africa

摘要: Abstract This is a keynote paper focusing on regional perspectives agriculture and biodiversity by exploring the situation in Northern Africa, West African Sahel, East Africa Horn, Southern Africa. The establishes that all these regions accelerates loss of because attempts farmers to increase crop animal production feed increasing population contribute growth national economies. Harmful agricultural practices, such as overcultivation, overgrazing, bush fires, cultivation marginal easily eroded land, mechanization widespread use chemicals pesticides, have intensified degradation soil vegetation led rapid decline species types their numbers. Agriculture can be complementary activities. If properly managed, should enhance not enemy drylands There need assess potential semi-arid environments develop specific policies or programmes sustainable utilization conservation biodiversity. Information contained this was gathered from existing literature