1. Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, New York, USA
2. Illinois Natural History Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
3. Department of Human Dimensions of Natural Resources, Colorado State University, Fort Collins, Colorado, USA
4. Human Dimensions Research Program, Illinois Natural History Survey, Prairie Research Institute University of Illinois Urbana-Champaign, Urbana, Illinois, USA