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Position at Coweeta LTER:  Principle Investigator
Specialty:  Soil Processes
Habitat:  Forest
Organism: Soils
Core Area(s):  Organic Matter/Decomposition (3), Inorganic Fluxes (4)

Education:
B.A., University of Arkansas-Fayetteville, General Horticulture, 1980  
M.A., University of Arkansas-Fayetteville, Forest Soils,
Ph.D., University of Missouri-Columbia, Forest Soils, 1987
Post Doctoral, National Research Council Fellowship USEPA / CERL, Oregon, Acid Rain Research, 1989

Appointments:
Research Soil Scientist, USDA Forest Service, Southern Research Station; Coweeta Hydrologic Lab.; 1989-present
Research Assistant, School of Forestry, Fisheries and Wildlife; University of Missouri-Columbia, 1982-1987
Research Assistant, Department of Horticulture and Forestry; University of Arkansas-Fayetteville, 1980-1982
Part-time Laboratory Technician, Forest Ecology Lab; Department of Horticulture and Forestry; University of Arkansas-Fayetteville, 1978-1980

Publications (Five as examples of research foci):
Knoepp, J.D., D.C. Coleman, D.A. Crossley, Jr., J.S. Clark. 2000. Soil biological indicators: an ecosystem case study of their use. Forest Ecology and Management 138:357-368.

Knoepp, J.D. and W.T. Swank. 1998. Rates of nitrogen mineralization across an elevation and vegetation gradient in the southern Appalachians. Plant and Soil 204:235-241.

Knoepp, J.D., L.L. Tieszen and G.G. Fredlund. 1998. Assessing the vegetation history of three southern Appalachian balds through soil organic matter analysis. Res. Pap. SRS-13. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 12p.

Knoepp, J.D. and W.T. Swank. 1997. Forest management effects on surface soil carbon and nitrogen. Soil Science Society of America Journal 61:928-935.

Knoepp, J.D. and W.T. Swank. 1997. Long-term effects of commercial sawlog harvest on soil cation concentrations. Forest Ecology and Management 93:1-7.