Alejandro Velazquez Montes. Ph.D. in Landscape Ecology, University of Amsterdam, The Neth-erlands. Researcher, Institute of Geography, Universidad Nacional Autonoma de Mexico (UNAM), Morelia. Address: AquilesSerdan No 382; Colonia Centro, C.P. 58000, Morelia, Michoacan, Mexico. e-mail: avmontes@igiris.igeograf.unam.mxAlejandra Fregoso Dominguez. M.Sc. in Geo-Information Science and Earth Observation,International Institute for Geo-Information Science and Earth Observation (ITC), The Netherlands. Researcher, InstitutoNacional de Ecologia, SEMARNAT, Mexico.Gerardo Bocco Verdinelli. Ph.D. in Landscape Ecology, University of Amsterdam, The Nether-lands. Researcher, Centro de Investigaciones en Ecosistemas and Instituto Nacional de Ecologia, SEMARNAT, Mexico.Gonzalo Cortez Jaramillo. M.Sc. in Forest Management, Colegio de Postgraduados, Chapingo,Mexico. Lecturer, Instituto Tecnologico Agropecuario plantel 7, Mexico.
