Bok Sowell

Professor, Range Science
231A Linfield Hall
Bozeman, Mt 59717-2900
phone (406) 994-5558
fax (406) 994-5589
bok@montana.edu

Education
B.S.  New Mexico Sate University, Wildlife Science, 1978

M.S. Texas Tech University, Range Science, 1981
Ph.D. New Mexico State University, Animal Science, 1989

Classes
ARNR 101 Natural Resource Conservation
ARNR 102 Principles of Range Management Lab
ARNR 353 Grazing Ecology and Management
ARNR 325 Wildlife-Livestock Range Nutrition
ARNR 507 Research Methods

ARNR 544 Advanced Grazing Management and Ecology

Research Interests

• Rangeland ecology and management
• Wildlife habitat
• Nutritional ecology of ruminants

Recent Publications

• Kimble, D.S., D.B. Tyers, and B.F. Sowell. 2008. Quaking aspen ecology on Forest Service lands north of Yellowstone National Park. 15th Wildland Shrub Symposium. Bozeman. June 17-19.
• Wengreen, K.A. and B.F. Sowell. 2008. Converting crested wheatgrass stands to enhance big sagebrush: A literature review. 15th Wildland Shrub Symposium. Bozeman. June 17-19.
• Sowell, B.F., C.L. Wambolt, J.K. Woodward and V.R. Lane. 2008. Relationship of Wyoming big sagebrush cover to herbaceous vegetation. 15th Wildland Shrub Symposium. Bozeman. June 17-19.
• McColley, S.D., D.B. Tyers, and B.F. Sowell. 2008. Restoring aspen riparian stands with beaver on the northern Yellowstone winter range. 15th Wildland Shrub Symposium. Bozeman. June 17-19.
• Dafoe, J.M., R.W. Kott, B.F. Sowell, J.G. Berardinelli, K.C. Davis, and P.G. Hatfield.  2008. Effects of supplemental safflower and vitamin E during late gestation on lamb growth, serum metabolites, and thermogenesis. J. Anim. Sci. 86:3194-3202.
• Kimble, David. 2007. Quaking Aspen (Populus tremuloides) ecology on Forest Service Lands North of Yellowstone National Park. Master’s Thesis. Montana State University. Bok Sowell, Thesis Advisor.
• McColley, Samuel David. 2007. Restoring aspen riparian stands with beaver on the Northern Yellowstone Winter Range. Master’s Thesis. Montana State University. Bok Sowell, Thesis Advisor.
• Purevsuren, Baigalmaa. 2007. Hustai National Park, Mongolia. Master’s Professional Paper. Bok Sowell, Master’s Advisor.
• Wengreen, Krystle. 2007. Converting crested wheatgrass stands to enhance sage-grouse habitat. Master’s Professional Paper. Bok Sowell, Master’s Advisor.
• Woodward, J., C.L. Wambolt, and B.F. Sowell. 2006. Sage-grouse winter habitat in central Montana. Proceedings of the Society of Range Management 59th Annual Meeting. Vancouver, B.C.
• Dafoe, J.M., P.G. Hatfield, R.W. Kott, B.F. Sowell, J.G. Berardinelli and K.C. Davis. 2006. Effects of supplemental safflower and vitamin E during late gestation on lamb growth, serum metabolites and thermogenesis. Proceedings of Western Section American Society of Animal Science Annual Meeting.
• Bowman, J.G.P., B.F. Sowell, L.M.M. Surber, and T. K. Daniels. 2004. Nonstructural carbohydrate supplementation of yearling heifers and range beef cows. J. Anim. Sci. 82:2724-2733.
• Gibbs, M.C., J.A. Jenks, C.S. Deperno, B.F. Sowell and K.J. Jenkins. 2004. Cervid forage utilization in noncommercially thinned ponderosa pine forests. J. Range Manage. 57:435-441.
• Johnson-Nistler, C.M., B.F. Sowell, H. Sherwood and C. Wambolt. 2004. Black-tailed prairie dog effects on Montana’s mixed grass prairie. J. Range Manage. 57:641-648.
• Vermeire, L.T., R.K. Heitschmidt, P.S. Johnson and B.F. Sowell. 2004. The Prairie Dog Story: Do We Have It Right? BioScience 54(7):689-695.
• Bowman, J.G.P., and B.F. Sowell. 2003. Technology to complement forage-based beef production systems in the West. J. Anim. Sci. 81 (E. Suppl. 1):E18-E26.
• Sowell, B.F., J.G.P. Bowman, E. E. Grings, and M. D. MacNeil. 2003. Liquid supplement and forage intake by range beef cows. J. Anim Sci. 81:294-303. 
• Sowell, B.F., J.G.P. Bowman, E.E. Grings, and M.D. MacNeil. 2003. Liquid supplement and forage intake by range beef cows. J. Anim Sci. 81:294-303.
• Eneboe, E., B.F. Sowell, R. Heitschmidt, M. Haferkamp, and S. Karl. 2002. Drought and Grazing VI. Effects on blue grama and western wheatgrass tiller dynamics. Journal of Range Management 55:73-79.
• Taylor N., P. G. Hatfield, B.F. Sowell, and G. S. Lewis. 2002. Influence of supplement form on ewe performance and reproduction. Sheep and Goat Res. J. 17:52.
• Taylor, N., P. G. Hatfield, B.F. Sowell, J.G.P. Bowman, J. S. Drouillard, and D. V. Dhuyvetter. 2002. Pellet and block supplements for grazing ewes. Anim. Feed Sci. Technol. 96:193-201.
• Taylor, N., P.G. Hatfield, B.F. Sowell and G.S. Lewis. 2002. Research Note: Influence of supplement form on ewe performance and reproduction. Sheep and Goat Res. J. 17:52-54.
• Frisina, M.R., C.L. Wambolt, B. Sowell, S.J. Knapp, M. Sullivan, and C. Johnson. 2001. A balancing act: sagebrush-sage grouse-prairie dogs. Rangelands. 23:17-19
• Quimby, W. F., B.F. Sowell, J.G.P. Bowman, M. E. Branine, M. E. Hubbert, and H.W. Sherwood. 2001. Application of feeding behaviour to predict morbidity of newly received calves in a commercial feedlot. Can. J. Anim. Sci. 81:315-320.
• Daniels, T.K., J.G.P. Bowman, B.F. Sowell, M. E. Branine, and M. E. Hubbert. 2000. Effects of metaphylactic antibiotics on behavior of feedlot calves. Prof. Anim. Scientist 16:278-285.
• Hamadeh, S. K., P.G. Hatfield, R.W. Kott, B.F. Sowell, B.L. Robinson, and N.J. Roth. 2000. Effects of Breed, Sex, Birth Type and Colostrum Intake on Cold Tolerance in Newborn Lambs. Sheep and Goat Research Journal. 16:46-51.
• Sowell, B.F., J.C. Mosley, and J.G.P. Bowman. 2000. Social behavior of grazing beef cattle: implications for management. Proc. Am. Soc. Anim. Sci., 1999. Available at: http://www.asas.org/jas/symposia/proceedings/0923.pdf. Accessed June 28, 2000.
• Sowell, B.F., J.C. Mosley, and J.G.P. Bowman. 2000. Social behavior of grazing beef cattle: Implications for management. J. Anim. Sci. Available at: http://www.asas.org/jas/symposia/proceedings/0923.pdf.
• Winslow, S.R. and B.F. Sowell. 2000. Technical note: a comparison of methods to determine plant successional stages. J. Range Manage. 53:194-198.

Return to regular view	Text-only	Updated: 09/16/2009