1. Institute on the Environment, University of Minnesota, Saint Paul, MN, USA.
2. Forest Resources Department, University of Minnesota, Saint Paul, MN, USA.
3. Supercomputing Institute, University of Minnesota, Minneapolis, MN, USA.
4. US Geological Survey, Southwest Biological Science Center, Flagstaff, AZ, USA.
5. Hawkesbury Institute for the Environment, University of Western Sydney, Penrith, Australia.