1. U.S. Geological Survey, Southwest Biological Science Center, Sonoran Desert Research Station; Tucson; AZ; USA
2. Environmental Research Laboratory; Tucson; AZ; USA
3. Department of Ecosystem Science and Management; Texas A&M University; College Station; TX; USA
4. Laboratory of Tree-Ring Research; The University of Arizona; Tucson; AZ; USA
5. School of Earth Sciences and Environmental sustainability; Northern Arizona University; Flagstaff; AZ; USA
6. The University of Melbourne; Department of Forest and Ecosystem Science; Parkville Victoria; Australia