1. Ecosystem Services Unit, Winrock International, Arlington, VA 22202, USA.
2. Applied GeoSolutions, Durham, NH 03824, USA.
3. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.
4. Institute of Environment, University of California, Los Angeles, Los Angeles, CA 90035, USA.
5. Department of Geographical Sciences, University of Maryland, College Park, MD 20742, USA.
6. The World Bank Group, Washington, DC 20433, USA.