1. Department of Geography, CNRS 5600 EVS, University Lumière Lyon 2, Bron, France
2. National Socio-Environmental Synthesis Center, University of Maryland, Annapolis, MD, USA
3. PASTRES Programme, Institute of Development Studies, University of Sussex, Brighton, United Kingdom
4. Department of Geography, University of Colorado Boulder, Boulder, CO, USA
5. Department of Tropical and Mediterranean Animal Production Systems (SELMET), L’Institut Agro/Montpellier SupAgro, Montpellier, France