John Sowell

• Emeritus Professor of Biology, Western State Colorado University, 2012-present
• Professor of Biology, Western State Colorado University, 1997-2012
• Associate Professor of Biology, Western State Colorado University, 1991-1997
• Associate Professor of Biology, Southwest Minnesota State University, 1989-1991
• Assistant Professor of Biology, Southwest Minnesota State University, 1985-1989
• Instructor, Department of Biological Sciences, University of Idaho, 1983-1984

Administrative Positions

• Vice President for Academic Affairs, Western State Colorado University, 2002-2011
• Associate Vice President for Academic Affairs, Western State Colorado University, 2000-2002

State and Non-Profit Service

• Colorado Making Opportunity Affordable Team, Colorado Department of Higher Education; member, 2008-2009
• Governor Bill Ritter, Jr.’s P-20 Education Coordinating Council (Colorado); member, 2007-2010
• Colorado Department of Higher Education’s General Education Committee; member, 2004-2011
• Office of Resource Efficiency (Crested Butte and Gunnison, Colorado) Board of Directors; member, 2004-2007
• Colorado Department of Higher Education’s Academic Council; member, 2003-2011
• Colorado Trail Foundation (Golden, Colorado) Board of Directors; member, 1992-1997; chair, Education Committee; 1993-1997

Education

• Effect of temperature and humidity on the cuticular conductance of Engelmann spruce (Picea engelmannii)  and bristlecone pine (Pinus aristata) needles. Tom McGinnis* and John Sowell. [report]
• The influence of light on winter stomatal conductance of Engelmann spruce (Picea engelmannii [Parry] Engelm.) and bristlecone pine (Pinus aristata Engelm.). Stacey Clark* and John Sowell. [Stacey's thesis]
  
• Digital land-cover map of the Gunnison Basin, Colorado (Phase 2). Ralph Falsetto*, Joanna Soceka*, John Sowell, and Allen Stork. [report]
  
• Condition of heavily-grazed riparian areas of the Gunnison Basin. Gay Austin* and John Sowell.
• Long-term monitoring of riparian condition in the West Elk Wilderness. Andy Schauer* and John Sowell. [report]
• Digital land cover map of the Gunnison Basin, Colorado. Ralph Falsetto*, Patrick Kline*, John Sowell, and Allen Stork. [report]
• Changes in aspen communities over 30 years in Gunnison County, Colorado. Jeremy Crawford*, Seth McNulty*, Michael Morgan, and John Sowell. [American Midland Naturalist 140:197-205]
  
• Persistence of subalpine forest-meadow ecotones in the Gunnison Basin, Colorado. Andy Schauer*, Brian Wade*, and John Sowell. [Great Basin Naturalist 58:273-281]
  
• SEM assessment of cuticular abrasion of Engelmann spruce (Picea engelmannii) needles at timberline. Pete Schaub* and John Sowell. [report]
  
• Biocontrol of Canada thistle. Michael Miller* and John Sowell. [report]
• The role of stem recharge in reducing the winter desiccation of Picea engelmannii (Pinaceae) needles at alpine timberline. Seth McNulty*, Brad Schilling*, and John Sowell. [American Journal of Botany 83:1351-1355]

• Sowell, J.B. 2001. Desert Ecology: An Introduction to Life in the Arid Southwest. University of Utah Press, Salt Lake City. Chapter study guides are available.
• Crawford, J.L.*, S.P. McNulty*, J.B. Sowell, and M.D. Morgan. 1998. Changes in aspen communities over 30 years in Gunnison County, Colorado. American Midland Naturalist 140:197-205.
• Schauer, A.J.*, B.K. Wade*, and J.B. Sowell. 1998. Persistence of subalpine forest-meadow ecotones in the Gunnison Basin, Colorado. Great Basin Naturalist 58:273-281.
• Sowell, J.B., S.P. McNulty*, and B.K. Schilling*. 1996. The role of stem recharge in reducing the winter desiccation of Picea engelmannii (Pinaceae) needles at alpine timberline. American Journal of Botany 83:1351-1355.    
• Sowell, J.B. 1987. Influence of low soil temperature on water uptake of subalpine conifers. In: Human Impacts and Management of Mountain Forests. T. Fujimori and M. Kimura, eds. Forestry and Forest Products Research Institute, Ibaraki. pp. 137-144.
• Sowell, J.B. and G.G. Spomer. 1986. Ecotypic variation in root respiration rate among elevational populations of Abies lasiocarpa and Picea engelmannii. Oecologia 68:375-379.
• Sowell, J.B. 1985. A predictive model relating North American plant formations and climate. Vegetatio 60:103-111.
• Sowell, J.B. 1985. Winter water relations of trees at alpine timberline. Eidgenössische Anstalt für das forstliche Versuchswesen, Berichte 270:71-77.
• Sowell, J.B., D.L. Koutnik, and A.J. Lansing. 1982. Cuticular transpiration of whitebark pine (Pinus albicaulis) within a Sierra Nevadan timberline ecotone. Arctic and Alpine Research 14:97-103.