Rhonda Skaggs,^* Zach Edwards,^* Brandon T. Bestelmeyer,^* John B. Wright,^* Jeb Williamson,^* Phil Smith<sup>*


*</sup>Authors are Professor, Agricultural Economics and Agricultural Business, New Mexico State University, Las Cruces, NM 88003, USA, rskaggs@nmsu.edu (Skaggs); Geographic Information Systems Coordinator, Spatial Applications and Research Center, Dept of Geography, New Mexico State University, Las Cruces, NM 88003, USA (Edwards); Research Ecologist, USDA–Agricultural Research Service Jornada Experimental Range, New Mexico State University, Las Cruces, NM 88003, USA (Bestelmeyer); Professor, Dept of Geography, New Mexico State University, Las Cruces, NM 88003, USA (Wright); Geographic Information Systems Specialist, New Mexico State University, Las Cruces, NM 88003, USA (Williamson); and US Bureau of Land Management, Las Cruces District Office, Las Cruces, NM 88005, USA (Smith). This work was supported by the New Mexico Agricultural Experiment Station, the USDA–Agricultural Research Service Jornada Experimental Range with funding by the USDA, and the National Science Foundation grant DEB-0618210, as a contribution to the Jornada Long-Term Ecological Research program.