Faculty Profile

Benjamin Tracy, Ph.D.

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Dr. Tracy

Associate Professor, Grassland Ecosystem Management

Appointment

Teaching : 0%

Research : 50%

Extension : 50%

Web

Education

  • B.S. Biology, Rutgers Univ., 1986
  • M.S. Enviornmental Science, Penn State Univ., 1988
  • Ph.D. Ecology, Syracuse Univ., 1996
 

Link to recent CV

Current Projects

  1. Determining optimal species mixtures to improve yield stability in grazing systems
  2. Integration of warm-season and cool-season pastures in a rotationally stocked grazing system

Recent Publications

  1. Tracy, B.F. and M.A. Sanderson. 2004. Relationships between forage plant diversity and weed invasion in pasture communities. Agric. Ecosyst. Environ. 102:175-183.
  2. Tracy, B.F. and M.A. Sanderson. 2004. Productivity and stability relationships in mowed pastures of varying species composition. Crop Sci. 44: 2180-2186.
  3. Sanderson, M.A., R.H. Skinner, D.J. Barker, G.R. Edwards, B.F. Tracy, and D.A. Wedin. 2004. Plant species diversity and management of temperate forage and grazing land ecosystems. Crop Sci. 44:1132-1144.
  4. Tracy, B.F., I.J. Renne, J. Gerrish, and M.A. Sanderson. 2004. Effects of plant diversity on invasion of weed species in experimental pasture communities. Basic Appl. Ecol. 5: 543-550.
  5. Tracy, B.F. and I.J. Renne. 2005. Re- infestation of endophtye-infected tall fescue (E+) in renovated endophyte-free (E) pastures under rotational stocking. Agron. J. 97:1473-1477.
  6. Renne, I.J., B.F. Tracy and I.A. Colonna. 2006. Shifts in grassland invasibility: effects of soil resources, disturbance, composition, and invader size. Ecology 87: 2264-2277.
  7. Tracy, B.F. and D.B. Faulkner. 2006. Pasture and cattle responses in rotationally stocked grazing systems sown with differing levels of species richness. Crop Sci. 46:2062-2068.
  8. Sulc, R.M. and B.F. Tracy. 2007. Integrated crop-livestock systems in the Midwestern USA. Agron. J. 99:335-345.
  9. Sanderson, M.A., S.C. Goslee, K.J. Soder, R.H. Skinner, B.F. Tracy, and A. Deak. 2007. Plant species diversity, ecosystem function, and pasture management. Can. J. Plant Sci. 87:479-487.
  10. Tracy, B. F., and Sanderson, M. A. 2007. Decomposition of forage species mixtures in pasture has inconsistent effects on soil nitrogen. Online. Forage and Grazinglands doi:10.1094/FG-2007-0625-02-RS.
  11. Tracy, B. F. and Y. Zhang.  2008.  Soil compaction, corn yield response, and soil nutrient pool dynamics within an integrated crop-livestock system in Illinois. Crop Sci. 48: 1211-1218.
  12. Tracy, B.F. and A.S. Davis. 2009.  Weed biomass and species composition as affected by an integrated crop-livestock system. Crop Sci. 49:1523–1530.

My Work Groups

Keywords

  • Grazing systems
  • grassland ecology
  • plant-animal interactions
  • plant diversity