1. Laboratory for the Analysis of Social-Ecological Systems in a Globalized World (LASEG), Institute of Environmental Sciences and Technology (ICTA), Autonomous University of Barcelona, Barcelona, Spain
2. Department of Geography and Environmental Studies, Moi University, Eldoret, Kenya
3. Laboratoire Géographie de l’Environnement (GEODE), CNRS Université de Toulouse 2, Toulouse, France