Bok teaching range class to students

Dr. Sowell (right) discussing range management with students.

Professor, Range Science
205 Animal Bioscience Building
Bozeman, MT 59717-2900
Phone: (406) 994-5558
Fax: (406) 994-5589


B.S.  New Mexico State University, Wildlife Science, 1978
M.S. Texas Tech University, Range Science, 1981
Ph.D. New Mexico State University, Animal Science, 1989


NRSM 101 Natural Resource Conservation
NRSM 102 Principles of Range Management Lab
NRSM 353 Grazing Ecology and Management
WILD 325 Wildlife-Livestock Range Nutrition
ARNR 544 Advanced Grazing Management and Ecology

Research Interest

  • Wildlife habitat
  • Ungulate herbivory
  • Wildlife/Livestock nutrition

Teaching Awards

  • 2004     President’ s Excellence in Teaching Award.   Montana State University
  • 2001     Distinguished Teacher Award.  Western Section of the American Association of Animal Science
  • 2001     Award of Excellence.  MSU Alumni/Chamber of Commerce
  • 2000     Professor of the Month.  Mortar Board.  Montana State University
  • 1998     College of Agriculture: Top Ten Instructor Award.  Montana State University
  • 1998     Who’ s Who Among Americas’ Teachers
  • 1998     Phi Kappa Phi-Anna Krueger Fridley Teaching Award.  Montana State University


Recent Publications

  • Sowell, B., Wambolt, C., Paddock, J., Lane, V. and Frisina, M., 2016. Wyoming Big Sagebrush and Herbaceous Cover Relationships. Environmental Management and Sustainable Development5(1), pp.179-186.
  • Woodward, J., Sika, J., Wambolt, C., Newell, J., Schroff, S. and Sowell, B., 2016. Sage-Grouse Nesting, Brood and Winter Habitat Characteristics in Montana. Environmental Management and Sustainable Development5(1), pp.126-139.
  • Kitchen, K.A., Goldsmith, B., Robison-Cox, J., Frisina, M. and Sowell, B., 2015. Sagebrush Response to Conifer Cover. Environmental Management and Sustainable Development5(1), pp.17-29.
  • Runyon, M.J., D.B. Tyers, B.F. Sowell and C.N. Gower.  2014.  Aspen Restoration Using Beaver on the Northern Yellowstone Winter Range under Reduced Ungulate Herbivory.  Restoration Ecology 22:555-561.
  • Porter, T.F., C. Chen, J.A. Long, R. Lawrence, B.F. Sowell.  2014.  Estimating biomass on CRP pastureland: A comparison of remote sensing techniques.  Biomass and Bioenergy 66:268-274.
  • McColley, S. D., D. B. Tyers, and B. F. Sowell. 2012. Aspen and willow restoration using beaver in the northern Yellowstone winter range.  Restoration Ecology  20:450-455.
  • Kimble, D. S., D. B. Tyers, J. Robison-Cox, and B. F. Sowell.  2011.  Aspen recovery since wolf reintroduction on the northern Yellowstone winter range.  Rangeland Ecology and Management.  64:119-130.