Institutional addresses:
1Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla, Qro. MX.
2Comisión Nacional Forestal (CONAFOR). Periférico Poniente 5360, Zapopan, Jalisco, México 45019
3US Forest Service, International Programs. 1Thomas Circle NW, Suite 400, Washington, D.C. USA 20005
4Institute of Integrative Biology, ETH Zurich, Universitätstrasse 16, 8006, Zürich, Switzerland
5University of California, Riverside, Department of Environmental Sciences, 900 University Ave., Riverside, CA 92521, USA
6U.S. Salinity Laboratory, Agricultural Research Service, United States Department of Agriculture, 450 West Big Springs Rd., Riverside, CA 92507, USA
Corresponding authors:mguevara@geociencias.unam.mx