1. Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas, Carretera de Sacramento s/n, La Cañada de San Urbano, E-04120 Almería, Spain.
2. Laboratorio Internacional en Cambio Global (LINCGlobal).
3. Consejo Superior de Investigaciones Científicas, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia E-08193, Spain.
4. CREAF, Cerdanyola del Vallès, Catalonia E-08193, Spain.
5. Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, USA.
6. Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW 2753, Australia.
7. Department of Earth and Environmental Sciences, The University of Manchester, Michael Smith Building, Oxford Road, Manchester M13 9PT, UK.
8. Departamento de Ecología, Pontificia Universidad Católica de Chile, Alameda 340, Santiago, Chile.
9. Instituto de Ecología y Biodiversidad, Las Palmeras 3425, Santiago, Chile.
10. Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.
11. Department of Terrestrial Ecology, Netherlands Institute of Ecology, Post Office Box 50, 6700 AB Wageningen, Netherlands.
12. Department of Nematology, Wageningen University, 6708 PB Wageningen, Netherlands.