Mainstreaming impact evaluation in nature conservation - Baylis, Kathy (University of Illinois. Department of Agricultural and Consumer Economics) ; Honey-Rosés, Jordi (University of British Columbia. School of Community and Regional Planning) ; Börner, Jan (Center for International Forestry Research, CIFOR (Bonn, Alemanya)) ; Corbera, Esteve (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Ezzine-de-Blas, Driss (Center International en Recherche Agronomique pour le Développement, CIRAD (Montpellier, França)) ; Ferraro, Paul J. (Georgia State University. Andrew Young School of Policy Studies. Department of Economics) ; Lapeyre, Renaud (Institut du développement durable et des relations internationales, IDDRI (Paris, França)) ; Persson, U. Martin (University of Technology (Göteborg, Suècia). Department of Energy & Environment) ; Pfaff, Alex (Duke University. Sanford School of Public Policy) ; Wunder, Sven (Center for International Forestry Research, CIFOR (Rio de Janeiro, Brasil))