Responsibilities and Interests:

Conceive, develop, and implement nutrient management research to sustain agricultural ecosystems and protect water quality. His research has investigated the cycling of phosphorus in soil-plant-water systems in relation to soil productivity and water quality and includes the management of animal manures, fertilizers, and crop residues. Most recently he has developed decision making tools for agricultural field staff to identify sensitive areas of the landscape and to target management alternatives and remedial measures to reduce the risk of nutrient loss from farms.

Education:

• 1978 Ph.D. in Soil Science. Massey University, Palmerston North, New Zealand. Title, “Sources and transport of phosphorus and nitrogen in stream draining a dominantly pasture catchment.”
• 1973 B.S. (Hons.). University College of North Wales, Wales; major, Soil Science and Biochemistry; minor, Oceanography;

Professional Background:

• 1995-present Soil Scientist, USDA-ARS, and Adjunct Professor and Graduate School member of the Crop and Soil Sciences Department, The Pennsylvania State University, University Park, PA.
• 1978-1995 Soil Scientist, GS 15, USDA-ARS, Durant, Oklahoma.
• 1978 Post doctorate, Department of Land, Air, and Water Resources, University of California, Davis, California.
• 1977-1978 Post doctorate, Department of Soil Science, Massey University, New Zealand.

Selected Awards:

• 1990 Fellow, American Society of Agronomy
• 1991 Fellow, Soil Science Society of America
• 1994 Environmental Quality Research Award — ASA
• 1998 Soil Science Applied Research Award — SSSA
• 2001 Northeastern Branch of American Society of America’s Research Award
• 2003 Gamma Sigma Delta Research Award
• 2003 USDA Secretary’s Plow Honor Award for Group Achievements in “Maintaining and Enhancing the Nation’s Natural Resources and Environment”
• 2003 Soil Science Research Award — SSSA
• 2004 USDA-ARS Technology Transfer Award for “For development and implementation of a Phosphorus Indexing procedure to target remedial measures for nutrient management strategies that maintain productivity and protect water quality”

Selected Publications over last five years:

1. Gburek, W.J., Sharpley, A.N., Heathwaite, A.L., and Folmar, G.J. 2000. Phosphorus management at the watershed scale: A modification of the phosphorus index. J. Environ. Qual. 29:130-144.
2. Haygarth, P.M. and Sharpley, A.N. 2000. Terminology for phosphorus transfer. J. Environ. Qual. 29:10-15.
3. Heathwaite, A.L., Sharpley, A.N., and Gburek, W.J. 2000. A conceptual approach for integrating phosphorus and nitrogen management at watershed scales. J. Environ. Qual. 29:158-166.
4. Howarth, R.W., Anderson, D.A., Church, T.M., Greening, H., Hopkinson, C.S., Huber, W., Marcus, N., Naiman, R.J., Segerson, K., Sharpley, A.N., and Wiseman, W.J. 2000. Clean coastal waters: Understanding and reducing the effects of nutrient pollution. National Research Council. National Academy Press, Washington, D. C. 405 pages.
5. Howarth, R.W., Sharpley, A.N., and Walker, D. 2004. Sources of nutrient pollution to coastal waters: implications for achieving coastal water quality goals. Estuaries. 25(4B):656-676.
6. Kleinman, P.J.A. and Sharpley, A.N.. 2000. Eutrophication of lakes and rivers. Macmillan Encyclopedia of Life Sciences, Macmillan Press, London.
7. Kleinman, P.J., Sharpley, A.N., Moyer, B.G., Elwinger, G. 2002. Effect of mineral and manure phosphorus sources on runoff phosphorus losses. J. Environ. Qual. 31:2026-2033.
8. Kleinman, P.J.A, Sharpley, A.N., Veith, T.L., Maguire, R.0., and Vadas, P.A. 2004. Evaluation of phosphorus transport in surface runoff from packed soil boxes. Journal of Environmental Quality. 33:1413- 1423.
9. Kleinman, P.J.A., and Sharpley, A.N. 2003. Effect of broadcast manure on runoff phosphorus concentration over successive rainfall events. J. Environ. Qual. 32:1072-1081.
10. McDowell, R.W. and Sharpley, A.N. 2001. Approximating phosphorus release from soils to surface runoff and subsurface drainage. J. Environ. Qual. 30: 508-520.
11. McDowell, R.W., and Sharpley, A.N. 2001. Phosphorus losses in subsurface drainage before and after manure application to intensively farmed land. Science of the Total Environment. 278:113-125.
12. McDowell, R.W., Sharpley, A.N., and Folmar, G.J. 2001. Phosphorus export from an agricultural watershed: linking source and transport mechanisms. J. Environ. Qual. 30:1587-1595.
13. McDowell, R.W., Sharpley, A.N., Beegle, D., and Weld, J.L. 2001. Comparing phosphorus management strategies at the watershed scale. J. Soil Water Conserv. 56:306-315.
14. McDowell, R.W., and Sharpley, A.N. 2002. Phosphorus transport in overland flow in response to position of manure application. J. Environ. Qual. 31:217-227.
15. McDowell, R.W., and Sharpley, A.N. 2002. Effect of plot scale and an upslope phosphorus source on phosphorus loss in overland flow. Soil Use and Management. 18:112-119.
16. McDowell, R.W., and Sharpley, A.N., and Chalmers, A.T. 2002. Land use and flow regime effects on phosphorus chemical dynamics in the fluvial sediment of the Winooski River, Vermont. Ecolog. Eng. 18:477-487.
17. McDowell, R.W., and Sharpley, A.N. 2003. Uptake and release of phosphorus from overland flow in a stream environment. J. Environ. Qual. 32:937-948.
18. McDowell, R.W., and Sharpley, A.N. 2003. The effects of soil carbon on phosphorus and sediment loss from soil trays by overland flow. J. Environ. Qual. 32:207-214.
19. Pionke, H.B., Gburek, W.J. and Sharpley, A.N. 2000. Critical source area controls on water quality in an agricultural watershed located in the Chesapeake Basin. Ecol. Eng. 14(2000):325-335.
20. Rotz, C.A., Sharpley, A.N., Gburek, W.J., Sanderson, M.A., and Satter, L.D. 2002. Production and feeding strategies for phosphorus management on dairy farms. J. Dairy Sci. 85:3142-3153.
21. Sharpley, A.N. 2000. Book Editor. Agriculture and Phosphorus Management: The Chesapeake Bay. CRC Press, Boca Raton, FL.
22. Sharpley, A.N. and Tunney, H. 2000. Phosphorus research strategies to meet agricultural and environmental challenges of the 21st century. J. Environ. Qual. 29:176-181.
23. Sharpley, A.N., Foy, B., and Withers, P.J.A. 2000. Practical and innovative measures for the control of agricultural phosphorus losses to water: An overview. J. Environ. Qual. 29:1-9.
24. Sharpley, A.N., McDowell, R.W., and Kleinman, P.J.A. 2001. Phosphorus loss from land and water: Integrating Agricultural and Environmental Management. Plant and Soil 237:287-307.
25. Sharpley, A.N., Kleinman, P.J.A., McDowell, R.W., and Weld, J.L.. 2001. Assessing site vulnerability to phosphorus loss in an agricultural watershed. J. Environ. Qual. 30:2026-2036.
26. Sharpley, A.N., Kleinman, P.J.A., McDowell, R.W., Gitau, M., and Bryant, R.B. 2002. Modeling phosphorus transport in agricultural watersheds: Processes and possibilities. J. Soil Water Conserv. 57:425-439.
27. Sharpley, A.N., Weld, J. L., Beegle, D. B., Kleinman, P. J. A., Gburek, W. L., Moore P. A., and Mullins G. 2003. Development of phosphorus indices for nutrient management planning strategies in the U.S. J. Soil Water Conserv. 58:137-152.
28. Sharpley, A.N. 2003. Soil mixing to reduce surface stratification of phosphorus in manured soils. J. Environ. Qual. 32:1375-1384.
29. Sharpley, A.N., McDowell, R.W., and Kleinman, P.J.A. 2004. Amounts, forms and solubility of phosphorus in soils receiving manure. Soil Sci. Soc. Am. J. 68:2048-2057.
30. Sims, J.T., and Sharpley, A.N. 2005. Editors. Phosphorus; Agriculture and the Environment. American Society of Agronomy Monograph. American Society of Agronomy, Madison, WI. 1121 pages.
31. Sporre, J., Lanyon, L., and Sharpley, A.N. 2004. Low-intensity sprinkler for evaluating phosphorus transport from different landscape positions. Applied Eng. In Agric. 20(5):599-604.
32. Stout, W.L., Sharpley, A.N., and Landa., J . 2000. Effectiveness and safety coal combustion by-products in controlling phosphorus export from cropland. J. Environ. Qual. 29:1239-1244.
33. Weld, J.L., Parsons, R.L., Beegle, D.B., Sharpley, A.N., Gburek, W.J., Clouser, W.R. 2002. Evaluation of phosphorus management strategies in Pennsylvania. J. Soil Water Conserv. 57(6):448-454.

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