1. Institute of Ecology and Evolution University of Oregon Eugene Oregon USA
2. Department of Biology University of Oregon Eugene Oregon USA
3. Research School of Biology The Australian National University Canberra Australian Capital Territory Australia
4. Department of Natural Resources and the Environment University of New Hampshire Durham New Hampshire USA
5. Department of Biological Sciences Boise State University Boise Idaho USA
6. Institute for Applied Ecology Corvallis Oregon USA
7. Climate and Ecosystem Sciences Division Lawrence Berkeley National Laboratory Berkeley California USA
8. Environmental Studies Program University of Oregon Eugene Oregon USA