1 Mexican wolf habitat suitability analysis in historical 2 range in the Southwestern US and Mexico 3 4 Enrique Martínez-Meyer1,2*, Alejandro González-Bernal1, Julián A. 5 Velasco1, Tyson L. Swetnam3, Zaira Y. González-Saucedo1, Jorge 6 Servín4, Carlos A. López González5, Nalleli E. Lara Díaz5, Cristian 7 Aguilar Miguel5, Carmen Chávez García5 & John K. Oakleaf6 8 1 Instituto de Biología, Departamento de Zoología, Universidad Nacional Autónoma 9 de México, Ciudad Universitaria, Mexico City 04510 Mexico 10 2 Current address: Centro del Cambio Global y la Sustentabilidad en el Sureste, 11 A.C., Calle Centenario del Instituto Juárez S/N, Col. Reforma, Villahermosa 86080 12 Mexico *
[email protected] 13 3 School of Natural Resources and Environment, The University of Arizona, 1064 14 East Lowell Street, Tucson, AZ 85721 USA 15 4 Universidad Autónoma Metropolitana Unidad Xochimilco, Laboratorio de Ecología 16 y Conservación de Fauna Silvestre, Calzada del Hueso 1100, Mexico City 04960 17 Mexico 18 5 Universidad Autónoma de Querétaro, Cerro de las Campanas S/N, Col. Las 19 Campanas, Querétaro 76010 Mexico 20 6 United States Fish and Wildlife Service, Mexican Wolf Project, P.O. Box 856, 21 Alpine, AZ 85920, USA 22 April 2017 Final Report - Mexican Wolf Habitat Suitability Analysis April 2017 23 Table of Contents 24 Summary iii 25 Acknowledgments iv 26 Introduction 1 27 Previous habitat suitability analyses for the Mexican wolf 4 28 Methods 6 29 1. Reconstructing the historical distribution of the Mexican wolf 6 30 Occurrence records 8 31 Environmental layers 10 32 Ecological niche and distribution modeling 12 33 Model validation 13 34 Model assembling 15 35 Climatic suitability 17 36 2.