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Department of Natural Resource Ecology and Management

NREM Emeritus Faculty - Dr.Thomas C. Hennessey

Professor

Contact
018 Agricultural Hall (office)
008C Agricultural Hall (address)
Stillwater, OK 74078
405-744-5443
tom.hennessey@okstate.edu

Educational Background
BS:University of Northern Iowa; 1969; Biology, Minor in Business
PhD:Iowa State University; 1976; Forest Biology

Links
Curriculum Vitae

 

 

 

Research Interests:

Research in Forest Ecophysiology is directed toward improving our understanding of the effects of environmental stress on tree and forest stand productivity. Projects are investigating how water stress and soil nutrient deficiencies effect tree growth and wood formation.

As a part of this research, work is being conducted to quantify physiological responses of forests to silvicultural practices, including thinning, fertilization, and competition control. Measured response variables include tree water relations, photosynthesis and respiration, leaf area dynamics, soil microbes, and wood properties.

It is expected that an improved understanding of environmental stress physiology will lead to the development of forest management practices to increase forest productivity and sustain forest ecosystems.

Professional Memberships

  • Society of American Foresters
  • Oklahoma Urban and Community Forestry Council
  • Gamma Sigma Delta
  • Xi Sigma Pi

Committees

  • Awards Committee

Recent Publications (since 2005)

Lynch, T.B., R.E. Will, T.C. Hennessey, R.A. Heinemann, and R.T. Holeman. 2010. Relationships among diameter at breast height and loblolly pine attributes from local and nonlocal seed-sources near the western edge of the natural range of loblolly pine. Southern Journal of Applied Forestry. 34:149-153.

Will, R. E., T. Hennessey, T. Lynch, R. Heinemann, and R. Holeman. 2010. Effects of planting density and provenance on loblolly pine stands growing in the mountains of southeastern Oklahoma. Forest Science. 56(5):437-443.

Blazier, M.A. and Hennessey, T.C. 2008. Seasonal soil and foliage nutrient dynamics of a juvenile pine plantation: impacts of fertilizer formulation and vegetation suppression. Forest Ecology and Management. 255:3404

Blazier, Michael A., Thomas C. Hennessey, P.M. Dougherty, and R. Campbell. 2006. “Nitrogen accumulation and use by a young loblolly pine plantation in southeast Oklahoma: Effects of fertilizer formulation and date of application.” Southern Journal of Applied Forestry. 30(2):66-78.

Blazier, Michael A., Thomas C. Hennessey, and Shiping Deng. 2005. “Effects of fertilizer and vegetation control on microbial dehydrogenase activity in an intensively managed juvenile loblolly pine plantation.” Forest Science. 51(5): 449-459.