Southern Africa’s wildlife economy is often hailed as a successful model. The idea behind this model is that biodiversity and wildlife are used as the basis of sustainable economic growth, through an increase in wildlife numbers and in a country’s revenue. Southern Africa’s wildlife economy is often hailed as a successful model. The idea behind this model is that biodiversity and wildlife are used as the basis of sustainable economic growth, through an increase in wildlife numbers and in a country’s revenue. Ecology Phys.org – latest science and technology news stories