1. Section of Integrative Biology University of Texas at Austin Austin TX 78712 USA
2. Hawkesbury Institute for the Environment University of Western Sydney Richmond NSW 2753 Australia
3. Biology Department Bowdoin College Brunswick ME 04011 USA
4. USDA‐NRCS Resources Assessment Division Temple TX 76502 USA
5. USDA‐ARS Grassland Soil and Water Research Laboratory Temple TX 76502 USA