James Gilliam Johnson, S. R., Burchell, M. R., II, Evans, R. O., Osmond, D. L., & Gilliam, J. W. (2013). Riparian buffer located in an upland landscape position does not enhance nitrate-nitrogen removal. Ecological Engineering, 52, 252–261. https://doi.org/10.1016/j.ecoleng.2012.11.006 Skaggs, R. W., Youssef, M. A., Gilliam, J. W., & Evans, R. O. (2010). Effect of controlled drainage on water and nitrogen balances in drained lands. Transactions of the ASABE, 53(6), 1843–1850. https://doi.org/10.13031/2013.35810 Smith, T. A., Osmond, D. L., Moorman, C. E., Stucky, J. M., & Gilliam, J. W. (2008). Effect of vegetation management on bird habitat in Riparian buffer zones. SOUTHEASTERN NATURALIST, 7(2), 277–288. https://doi.org/10.1656/1528-7092(2008)7[277:EOVMOB]2.0.CO;2 Appelboom, T. W., Chescheir, G. M., Skaggs, R. W., Gilliam, J. W., & Amatya, D. M. (2008). Nitrogen balance for a plantation forest drainage canal on the North Carolina coastal plain. Transactions of the ASABE, 51(4), 1215–1233. https://doi.org/10.13031/2013.25239 Birgand, F., Skaggs, R. W., Chescheir, G. M., & Gilliam, J. W. (2007). Nitrogen Removal in Streams of Agricultural Catchments—A Literature Review. Critical Reviews in Environmental Science and Technology, 37(5), 381–487. https://doi.org/10.1080/10643380600966426 Youssef, M. A., Skaggs, R. W., Chescheir, G. M., & Gilliam, J. W. (2006). Field evaluation of a model for predicting nitrogen losses from drained lands. JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 35, pp. 2026–2042. https://doi.org/10.2134/jeq2005.0249 Smith, T. A., Osmond, D. L., & Gilliam, J. W. (2006). Riparian buffer width and nitrate removat in a tagoon-effluent irrigated agricutturat area. Journal of Soil & Water Conservation, 61(5), 273–281. Skaggs, R. W., Youssef, M. A., Chescheir, G. M., & Gilliam, J. W. (2005). Effect of drainage intensity on nitrogen losses from drained lands. Transactions of the ASAE, 48(6), 2169–2177. https://doi.org/10.13031/2013.20103 Burchell, M., Skaggs, R. W., Chescheir, G. M., Gilliam, J. W., & Arnold, L. A. (2005). Shallow subsurface drains to reduce nitrate losses from drained agricultural lands. Transactions of the ASAE, 48(3), 1079–1089. https://doi.org/10.13031/2013.18518 Youssef, M. A., Skaggs, R. W., Chescheir, G. M., & Gilliam, J. W. (2005). The nitrogen simulation model, DRAINMOD-N II. Transactions of the ASAE, 48(2), 611–626. https://doi.org/10.13031/2013.18335 Amatya, D. M., Chescheir, G. M., Fernandez, G. P., Skaggs, R. W., & Gilliam, J. W. (2004). DRAINWAT-based methods for estimating nitrogen transport in poorly drained watersheds. Transactions of the ASAE, 47(3), 677–687. https://doi.org/10.13031/2013.16100 Amatya, D. M., Skaggs, R. W., Gilliam, J. W., & Hughes, J. H. (2003). Effects of orifice-weir outlet on hydrology and water quality of a drained forested watershed. Southern Journal of Applied Forestry, 27(2), 130–142. Chescheir, G. M., Lebo, M. E., Amatya, D. M., Hughes, J., Gilliam, J. W., Skaggs, R. W., & Herrmann, R. B. (2003). Hydrology and water quality of forested lands in eastern North Carolina. Raleigh, N.C. : N.C. Agricultural Research Service, N.C. State University. Dukes, M. D., Evans, R. O., Gilliam, J. W., & Kunickis, S. H. (2003). Interactive effects of controlled drainage and riparian buffers on shallow groundwater qaulity. Journal of Irrigation and Drainage Engineering, 129(2), 82–92. https://doi.org/10.1061/(ASCE)0733-9437(2003)129:2(82) Dukes, M. D., Evans, R. O., Gilliam, J. W., & Kunickis, S. H. (2002). Effect of riparian buffer width and vegetation type on shallow groundwater quality in the Middle Coastal Plain of North Carolina. Transactions of the ASAE, 45(2), 327–336. https://doi.org/10.13031/2013.8528 Leytem, A. B., Mikkelsen, R. L., & Gilliam, J. W. (2002). Sorption of organic phosphorus compounds in Atlantic coastal plain soils. Soil Science, 167(10), 652–658. https://doi.org/10.1097/01.ss0000034854.98442.39 Mitsch, W. J., Day, J. W., Gilliam, J. W., Groffman, P. M., Hey, D. L., Randall, G. W., & Wang, N. M. (2001). Reducing nitrogen loading to the Gulf of Mexico from the Mississippi River Basin: Strategies to counter a persistent ecological problem. BIOSCIENCE, 51(5), 373–388. https://doi.org/10.1641/0006-3568(2001)051[0373:RNLTTG]2.0.CO;2 Karr, J. D., Showers, W. J., Gilliam, J. W., & Andres, A. S. (2001). Tracing nitrate transport and environmental impact from intensive swine farming using delta nitrogen-15. JOURNAL OF ENVIRONMENTAL QUALITY, 30(4), 1163–1175. https://doi.org/10.2134/jeq2001.3041163x Groundwater nitrate depletion in a swine lagoon effluent-irrigated pasture and adjacent riparian zone. (1999). Journal of Soil & Water Conservation, 54(4), 651–656. Munoz-Carpena, R., Parsons, J. E., & Gilliam, J. W. (1999). Modeling hydrology and sediment transport in vegetative filter strips. JOURNAL OF HYDROLOGY, 214(1-4), 111–129. https://doi.org/10.1016/S0022-1694(98)00272-8 Gilliam, J. W., Parsons, J. E., & Mikkelsen, R. L. (1999). Nitrogen dynamics and buffer zones. Buffer zones: Their processes and potential in water protection: The proceedings of the International Conference on Buffer Zones, (1999), 54–61. Birgand, F., Chescheir, G. M., Skaggs, R. W., & Gilliam, J. W. (1999). Quantification and effects of in-stream processes in the ditches and canals of the Lower Coastal Plain of North Carolina. Proceedings of the Mini-Conference, Advances in Water Quality Modeling, (1999), 45–50. St. Joseph, MI: ASAE. Verchot, L. V., Franklin, E. C., & Gilliam, J. W. (1998). Effects of agricultural runoff dispersion on nitrate reduction in forested filter zone soils. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 62(6), 1719–1724. https://doi.org/10.2136/sssaj1998.03615995006200060033x Amatya, D. M., Gilliam, J. W., Skaggs, R. W., Lebo, M. E., & Campbell, R. G. (1998). Effects of controlled drainage on forest water quality. JOURNAL OF ENVIRONMENTAL QUALITY, 27(4), 923–935. https://doi.org/10.2134/jeq1998.00472425002700040029x Przepiora, A., Hesterberg, D., Parsons, J. E., Gilliam, J. W., Cassel, D. K., & Faircloth, W. (1998). Field evaluation of calcium sulfate as a chemical flocculant for sedimentation basins. JOURNAL OF ENVIRONMENTAL QUALITY, 27(3), 669–678. https://doi.org/10.2134/jeq1998.00472425002700030026x Parsons, J. E., Gilliam, J. W., & Mikkelsen, R. L. (1998). Stream water level control to enhance riparian buffer effectiveness removing nitrate-nitrogen. Drainage in the 21st century: Food production and the environment: Proceedings of the seventh International Drainage Symposium, 551–558. St. Joseph, Michigan: American Society of Agricultural Engineers. Breve, M. A., Skaggs, R. W., Parsons, J. E., & Gilliam, J. W. (1998). Using the DRAINMOD-N model to study effects of drainage system design and management on crop productivity, profitability and NO3-N losses in drainage water. AGRICULTURAL WATER MANAGEMENT, 35(3), 227–243. https://doi.org/10.1016/S0378-3774(97)00035-8 Przepiora, A., Hesterberg, D., Parsons, J. E., Gilliam, J. W., Cassel, D. K., & Faircloth, W. (1997). Calcium sulfate as a flocculant to reduce sedimentation basin water turbidity. JOURNAL OF ENVIRONMENTAL QUALITY, 26(6), 1605–1611. https://doi.org/10.2134/jeq1997.00472425002600060021x Breve, M. A., Skaggs, R. W., Parsons, J. E., & Gilliam, J. W. (1997). DRAINMOD-N, a nitrogen model for artificially drained soils. Transactions of the ASAE, 40(4), 1067–1075. https://doi.org/10.13031/2013.21359 Breve, M. A., Skaggs, R. W., Gilliam, J. W., Parsons, J. E., Mohammad, A. T., Chescheir, G. M., & Evans, R. O. (1997). Field testing of DRAINMOD-N. Transactions of the ASAE, 40(4), 1077–1085. https://doi.org/10.13031/2013.21360 Verchot, L. V., Franklin, E. C., & Gilliam, J. W. (1997). Nitrogen cycling in piedmont vegetated filter zones .1. Surface soil processes. JOURNAL OF ENVIRONMENTAL QUALITY, 26(2), 327–336. https://doi.org/10.2134/jeq1997.00472425002600020002x Verchot, L. V., Franklin, E. C., & Gilliam, J. W. (1997). Nitrogen cycling in piedmont vegetated filter zones .2. Subsurface nitrate removal. JOURNAL OF ENVIRONMENTAL QUALITY, 26(2), 337–347. https://doi.org/10.2134/jeq1997.00472425002600020003x Lowrance, R., Altier, L. S., Newbold, J. D., Schnabel, R. R., Groffman, P. M., Denver, J. M., … Todd, A. H. (1997). Water quality functions of Riparian forest buffers in Chesapeake Bay watersheds. ENVIRONMENTAL MANAGEMENT, 21(5), 687–712. https://doi.org/10.1007/s002679900060 GILLIAM, J. W. (1994). RIPARIAN WETLANDS AND WATER-QUALITY. JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 23, pp. 896–900. https://doi.org/10.2134/jeq1994.00472425002300050007x Gilliam, J. W., Schipper, L. A., Beets, P. N., & McConchie, M. (1992). Riparian buffers in New Zealand forestry. New Zealand Forestry, 37(2), 21. Gilliam, J. W., Cassel, D. K., Daniels, R. B., & Stone, J. R. (1985). Interrelationships among soil erosion, landscape position and soil productivity in the North Carolina Piedmont. Erosion and Soil Productivity, 75. JACOBS, T. C., & GILLIAM, J. W. (1985). RIPARIAN LOSSES OF NITRATE FROM AGRICULTURAL DRAINAGE WATERS. JOURNAL OF ENVIRONMENTAL QUALITY, 14(4), 472–478. https://doi.org/10.2134/jeq1985.00472425001400040004x Gilliam, J. W., & Skaggs, R. W. (1981). Drainage and agricultural development: Effects on drainage waters. In L. M. C. J. Richardson & S. A. Anderson (Eds.), Pocosin wetlands: an integrated analysis of coastal plain freshwater bogs in North Carolina (p. 198). Stroudsburg, Pennsylvania: Hutchinson Ross Publishing Company.