The Distribution of Phosphorus in Popes Creek, VA, and in the Pocomoke River, MD: Two Watersheds with Different Land Management Practices in the Chesapeake Bay Basin
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This paper compares phosphorus (P) concentrations in sediments from two watersheds, one with, and one without, intensive animal agriculture. The watersheds are in the coastal plain of the Chesapeake Bay and have similar physiographic characteristics. Agriculture in the Pocomoke River, MD, watershed supplied 2.7 percent of all broiler chickens produced in the USA in 1997. Poultry litter is an abundant, local source of manure for crops. Broiler chickens are not produced in the Popes Creek, VA, watershed and poultry manure is, therefore, not a major source of fertilizer. The largest concentrations of P in sediment samples are found in floodplain and main-stem bottom sediment in both watersheds. Concentrations of total P and P extracted with 1N HCl are significantly larger in main-stem bottom sediments from the Pocomoke River than in main-stem bottom sediments from Popes Creek. Larger concentrations of P are associated with what are potentially redox sensitive iron oxyhydroxides in sediment samples from the Pocomoke River watershed than are associated with what are potentially redox sensitive iron oxyhydroxides in sediment samples from the Popes Creek watershed. Data for P and iron (Fe) concentrations in sediments from the Popes Creek watershed provide a numerical framework (baseline) with which to compare P and Fe concentrations in sediment from the Pocomoke River watershed.
Keywordsestuary iron land-use phosphorus sediment watershed
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- Anderson, L. D. and Delaney, M. L.: 1999, ‘Sequential extraction and analysis of P in marine sediments: Streamlining of the SEDEX procedure’, Limnol. Oceanogr. 45, 509–515.Google Scholar
- Ator, S. W., Denver, J. M. and Brayton, M. J.: 2004, ‘Hydrologic and geochemical controls on pesticide and nutrient transport to two streams on the Delmarva Peninsula’, U.S. Geological Survey Scientific Investigations Report 2004–5051, pp. 34.Google Scholar
- Blankenship, K., 2003, ‘Scientists examine past – and future – of farm runoff’, Bay Journal, Alliance for the Chesapeake Bay, 13, 4.Google Scholar
- Bricker, O. P., Newell, W. L. and Simon, N. S.: 2003, ‘Bog iron formation in the Nassawango Watershed, Maryland’, U.S. Geological Survey Open-File Report 03-346. http://pubs.usgs.gov/of/2003/of03-346/.
- Correll, D. L.: 1998, ‘The role of phosphorus in the eutrophication of receiving waters: A review’, 27, 261–266.Google Scholar
- Daniel, T. C., Sharpley, A. N. and Lemunyon, J. L.: 1998, ‘Agricultural phosphorus and euthrophication: A symposium’, J. Environ. Qual. 27, 251–257.Google Scholar
- Eghball, B.: 1996, ‘Phosphorus and nitrogen based manure and compost application’, Newsletter of UNL’s Livestock Environmental Issues Committee 2, Number 9.Google Scholar
- Goodman, P. S.: 1999, ‘An Unsavory By product: Runoff and Pollution’, The Washington Post, Washington, D.C., August 1, 1999, p. A1.Google Scholar
- Hamilton, P. A., Denver, J. M., Phillips, P. J. and Shedlock, R. J.: 1993, ‘Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland and Virginia – Effects of agricultural activities on, and distribution of, nitrate and other inorganic constituents in the surficial aquifer’, U.S. Geological Survey Open-File Report 93–40, pp. 87.Google Scholar
- Jenne, E. A.: 1977, in Trace Element Sorption by Sediments and Soils – Sites and Processes, Symposium on Molybdenum in the Environment, Chappell, W. and Peterson, K., (eds.), 2, Marcel Dekker, New York, 425–553.Google Scholar
- Langland, M. J.: 1998, ‘Yields and Trends of Nutrients and Total Suspended Solids in Nontidal Areas of the Chesapeake By Basin, 1985–1996’, Water Resources Investigations Report 98-4192, U.S. Geological Survey, Reston, VA, pp. 8.Google Scholar
- Lichtenberg, E., Parker, D. and Lynch, L.: 2002, ‘Economic Value of Poultry Litter Supplies in Alternative Uses’, Policy Analysis Report No. 02-02, Center for Agricultural and Natural Resources Policy, University of Maryland, College Park, MD, pp. 49. http://www.arec.umd.edu/Policycenter/
- Nicholson, J. C.: 1981, ‘Soil Survey of Westmoreland County, Virginia’, U. S. Department of Agriculture, Soil Conservation Service, Virginia Polytechnic Institute and State University, pp. 96.Google Scholar
- Patterson, P. S., Lorenz, E. S. and Weaver, W. D., Jr.: 1998, ‘Litter production and nutrients from commercial broiler chickens’, J. Appl. Poult. Res. 7, 247–252.Google Scholar
- Perkins, S. O. and Bacon, S. R.:1928, ‘Soil Survey Reports: Worcester County, Maryland’, U. S. Department of Agriculture, Bureau of Chemistry and Soils, United States Printing Office, Washington, D.C., pp. 31.Google Scholar
- Ruttenberg, K. C.: 1992, ‘Development of a sequential extraction method for different forms of P in marine sediments’, Limnol. Oceanogr. 37, 1460–1482.Google Scholar
- Sallade, Y. E. and Sims, J. T.: 1997, ‘P transformations in the sediments of delaware’s agricultural drainageways: I. phosphorus forms and sorption’, J. Environ. Qual. 26, 1571–1579.Google Scholar
- Simon, N. S. Kennedy, M. M. and Bricker, O. P.: 1999, ‘Geochemical data for sediment samples collected in 1997 and 1998 from the Popes Creek, Virginia, and the Pocomoke River, Maryland, Watersheds’, U.S. Geological Survey Open-File Report 99-79, U.S. Geological Survey, Reston, VA, pp. 18.Google Scholar
- Sims, J. R., Simard, R. R. and Joern, B. C.: 1998, ‘Phosphorus loss in agricultural drainage: Historical perspective and current research’, J. Environ. Qual. 27, 277–293.Google Scholar
- Snyder, J. M. and Gillett, R. L.: 1925, ‘Soil Survey of Wicomico County, Maryland’, U. S. Department of Agriculture, U.S. Bureau of Soils, United States Printing Office, Washington, D.C., 1011–1038.Google Scholar
- U.S. Department of Agriculture: 2003a, ‘Virginia Agricultural Statistics Service, 1997 Census Data’, accessed September 2004, at URL: http://www.usda.gov/nass/sso-rpts.htm.
- U.S. Department of Agriculture: 2003b, Farm Service Agency, ‘1997 Census of Agriculture, Agricultural Census for Somerset, Wicomico, and Worchester Counties, Md.’, accessed September 2004, at URL: http://www.nass.usda.gov/census/index1997.htm.
- U.S. Department of Agriculture: 2003c, ‘Poultry Production and Value, Final Estimates 1994–1997’, accessed September 2004, at URL: http://usda.mannlib.cornell.edu/reports/general/sb/b9580399.txt.
- Vadas, P. A. and Sims, J. T.: 1998, ‘Redox status, poultry litter, and P solubility in Atlantic coastal plain sediments’, J. Soil Sci. Soc. Am. 62, 1025–1034.Google Scholar