About the Authors
Central Science, The Nature Conservancy, Arlington, Virginia, United States of America
Department of Environmental Economics, Institute for Environmental Studies, VU University, Amsterdam, The Netherlands
Umgano Project Advisor, Umgano, KwaZulu-Natal, South Africa
Funding included support from the Schooner Foundation that could be deemed a commercial source. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.
Conceived and designed the experiments: CL RB TB. Performed the experiments: RB TB RV WB. Analyzed the data: RB TB CL RV. Wrote the paper: CL RB TB MS WB.