Douglas J. Austen is head of the Watershed Management Section for the Illinois Department of Natural Resources. His work involves directing an interagency watershed program that involves planning, implementation, and assessment of a wide variety of land and aquatic management practices in four paired watersheds located throughout Illinois. Dr. Austen also coordinates the assessment of the Illinois River Conservation Reserve Enhancement Program (CREP), he supports ecosystem restoration efforts throughout the state, and he co-developed the Illinois Watershed Academy. He also has extensive experience and has authored publications on fisheries management, natural resources information systems, sampling, and aquatic ecology. Dr. Austen received his B.S. from South Dakota State University, M.S. from Virginia Polytechnic Institute and State University, and Ph.D. from Iowa State University in Animal Ecology.

Robert L. Beschta is an emeritus professor of forest hydrology at Oregon State University. He received his B.S. from Colorado State University, his M.S. from Utah State University, and his Ph.D. in watershed management from the University of Arizona. Dr. Beschta’s research interests include forest hydrology, forestland use and water quality, riparian area management, and channel morphology. In particular, he studies large organic debris and channel morphology; hillslope hydrology; road drainage; the effects of mass soil movements upon channel characteristics; how sediment is stored along stream channels and released during high stream flow events; and interactions of stream and subsurface water in eastern Oregon. Dr. Beschta served on the NRC Committee on the Protection and Management of Pacific Northwest Anadromous Salmonids.

Theo A. Dillaha is a professor of biological systems engineering at the Virginia Polytechnic Institute and State University. His research interests include environmental engineering, functioning of riparian buffer zones, water-quality modeling, nonpoint source pollution control, TMDLs, and water supply and sanitation in developing countries. He has published extensively on the abilities of grass buffer strips to remove nutrients, sediment, and bacteria from overland flow. Dr. Dillaha received his B.E. and M.S. in environmental and water resources engineering from Vanderbilt University and his Ph.D. in agricultural engineering from Purdue University.

Debra L. Donahue is a professor of law at the University of Wyoming. She received her B.S. in wildlife science from Utah State University, her M.S. in wildlife biology from Texas A&M University, and her J.D. from the University of Colorado School of Law. Her formal work on riparian areas began during her graduate studies on river otters in Louisiana. She has subsequently been employed as a seasonal biologist for the Bureau of Land Management surveying stream and riparian habitats; as an area wildlife biologist in Nevada; and as an environmental coordinator for the Freeport Gold Company, where her environ-



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