1. Department of Biology; Colorado State University; Fort Collins CO USA
2. Fort Collins Science Center; U.S. Geological Survey; 2150 Centre Ave., Bldg C Fort Collins CO USA
3. Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service; National Oceanic and Atmospheric Administration; 2725 Montlake Blvd E. Seattle WA USA
4. Restoration Center, National Marine Fisheries Service; National Oceanic and Atmospheric Administration; 55 Great Republic Drive Gloucester MA USA