1. Department of Forestry and Environmental Conservation; Clemson University; 261 Lehotsky Hall Clemson South Carolina 29634-0317 USA
2. Department of Fish, Wildlife, and Conservation Biology; Graduate Degree Program in Ecology; Colorado State University; 1474 Campus Drive Fort Collins Colorado 80523-1474 USA
3. North Carolina Wildlife Resources Commission; 645 Fish Hatchery Road Marion North Carolina 28752 USA