1. Department of Ecology Montana State University Bozeman Montana USA
2. Limnological Institute University of Konstanz Constance Germany
3. Department of Migration Max Planck Institute for Animal Behavior Radolfzell Germany
4. Department of Fish Ecology and Evolution Eawag Kastanienbaum Switzerland
5. Department of Biology University of South Dakota Vermillion South Dakota USA
6. Department of Biological Sciences Stream Ecology Center, Idaho State University Pocatello Idaho USA
7. U.S. Geological Survey Columbia Environmental Research Center Columbia Missouri USA