1. School of Aquatic and Fishery SciencesUniversity of Washington Seattle Washington USA
2. Forest and Rangeland Ecosystem Science Center, Cascadia Field StationU.S. Geological Survey Corvallis Oregon USA
3. School of Environmental and Forest SciencesUniversity of Washington Seattle Washington USA
4. Department of Geology and GeophysicsUniversity of Utah Salt Lake City Utah USA
5. Department of Forest Resources and Environmental ConservationVirginia Polytechnic Institute and State University Blacksburg Virginia USA