1. Climate and Land Use Change R&D Program, United States Geological Survey; Menlo Park California USA
2. Departments of Biological and Geological Sciences; Idaho State University; Pocatello Idaho USA
3. Department of Geological Sciences; University of Florida; Gainesville Florida USA
4. College of Ocean and Atmospheric Sciences; Oregon State University; Corvallis Oregon USA
5. Scripps Institution of Oceanography, University of California; San Diego California USA