1. Department for the Observation and Study of the Land, Atmosphere and Ocean, El Colegio de la Frontera Sur (ECOSUR) Chetumal, Chetumal 77014, Mexico
2. Núcleo de Ciencias Sociales y Humanidades, Universidad de la Frontera, Temuco 4780000, Chile
3. Department of Environment and Society, Utah State University, Logan, UT 84322, USA
4. Centre for Development and the Environment (SUM), University of Oslo, Blindern, P.O. Box 1116, 0484 Oslo, Norway