Oregon State University
Department of Rangeland Ecology and Management
2115 SW Tamarack Street
McMinnville, OR 97128
Assistant Professor, Department of Rangeland Ecology and Management."Semi-retired." Teach distance courses from home in McMinnville, Oregon. Formerly Program Lead for Natural Resources B. S. program, Extended Campus, OSU (1999-2005) and Program Lead for Natural Resources B.S. program, Cascades Campus, OSU (2001-2005).
M.S., Forestry/Range Management, University of Montana, 1992
Ph.D., Military/Diplomatic History, The University of Texas, 1975
M.A., Diplomatic History, The University of Texas, 1970
A.B., History, Gettsburg College, 1967
Prior Work Experience
United States Air Force, 1967-1987
Riparian and Wetland Research Program, University of Montana, 1993-1999
Selected Publications and Technical Reports:
Ehrhart, Robert C. and Paul L. Hansen. 2004. "Management of Riverine Wetland Habitats." In: Wetland and Riparian Areas of the Intermountain West: Ecology and Management. Edited by Mark C. McKinstry, Wayne A. Hubert, and Stanley H. Anderson. University of Texas Press, Austin TX.
Ehrhart, R. C. and P. L. Hansen. 1998. Effective cattle management in riparian zones. Montana BLM Riparian Technical Bulletin No. 3. Montana For. and Conserv. Exp. Sta., School of Forestry, The University of Montana, Missoula MT.
Ehrhart, R. C. and P. L. Hansen. 1998. Successful strategies for grazing cattle in riparian zones. Montana BLM Riparian Technical Bulletin No. 4. Montana For. and Conserv. Exp. Sta., School of Forestry, The University of Montana, Missoula MT. (Reprinted by BLM in 2004 and 2009.)