Rural Outmigration, Natural Capital, and Livelihoods in South Africa.
Hunter LM, Nawrotzki R, Leyk S, Laurin GJ, Twine W, Collinson M, Erasmus B. Rural Outmigration, Natural Capital, and Livelihoods in South Africa. Popul Space Place. 2014 Jul 01; 20(5):402-420.