1. Stable Isotope Research Group, Chemistry DepartmentUniversidad Nacional Costa Rica Heredia Costa Rica
2. Departamento de Recursos Hídricos y Ciencias Ambientales, Facultad de Ingeniería y Facultad de Ciencias AgropecuariasUniversidad de Cuenca Cuenca Ecuador
3. Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (IFZ)Justus Liebig University Giessen Giessen Germany
4. Climatic Change and Climate Impacts, Institute for Environmental SciencesUniversity of Geneva Geneva Switzerland
5. Dendrolab.ch, Institute for Environmental SciencesUniversity of Geneva Geneva Switzerland
6. Geography DepartmentUniversity of Costa Rica San José Costa Rica
7. Northern Rivers InstituteUniversity of Aberdeen Aberdeen UK
8. Centre for International Development and Environmental ResearchJustus Liebig University Giessen Giessen Germany
9. Civil and Environmental EngineeringWashington State University Pullman Washington