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