1. Department of Animal Science, University of California, Davis, 1 Shields Avenue, Davis, CA 95616, USA.
2. Center for Watershed Sciences, University of California, Davis, 1 Shields Avenue, Davis, CA 95616, USA.
3. Ecological Sciences Research Laboratories, Department of Biology, Hacettepe University, Beytepe, Ankara 06800, Turkey.
4. Salmon River Restoration Council, 25631 Sawyers Bar Road, Sawyers Bar, CA 96027, USA.
5. Northwest Indian Fisheries Commission, 6730 Martin Way East, Olympia, WA 98516, USA.