Lessons from community-based payment for ecosystem service schemes: from forests to rangelands

Dougill, A.J., Stringer, L.C., Leventon, J., Riddell, M., Rueff, H., Spracklen, D.V., and Butt, E. November 2012. Philos Trans R Soc Lond B Biol Sci, v.367, pp.3178-3190.