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Book (1)
Book Chapter (7)
Journal Article (12)
Report (1)
Reference Type Citation Progress Report Year Document Sources
Book Martinelli LA, Howarth RW, eds. Nitrogen Cycling in the Americas: Natural and Anthropogenic Influences and Controls. Dordrecht, The Netherlands: Kluwer Academic Publishers, 2006, 274 pp. R830882 (Final)
Book Chapter Boyer EW, Howarth RW, Galloway JN, Dentener FJ, Cleveland C, Asner GP, Greene P, Vorosmarty C. Current nitrogen inputs to world regions. In: Mosier A, Syers JK, Freney JR, eds. Agriculture and the Nitrogen Cycle: Assessing the Impacts of Fertilizer Use on Food Production and the Environment. Washington, DC: Island Press, 2004, pp. 221-230. R830882 (Final)
Book Chapter Boyer EW, Howarth RW. Nitrogen fluxes from rivers to the coastal oceans. In: Capone DG, Bronk DA, Mulholland MR, Carpenter EJ, eds. Nitrogen in the Marine Environment, 2nd edition. New York, NY: Academic Press, 2008, pp. 1565-1587. R830882 (Final)
Book Chapter Howarth RW. Coastal ecosystems. In: White JC, ed. Acid Rain: Are the Problems Solved? American Fisheries Society, Trends in Fisheries and Management 2. Bethesda, MD: American Fisheries Society, 2003, pp. 65-74. R830882 (Final)
 not available
Book Chapter Howarth RW, Marino R, Swaney DP, Boyer EW. Wastewater and watershed influences on primary productivity and oxygen dynamics in the lower Hudson River estuary. In: Levinton JS, Waldman JR, eds. The Hudson River Estuary. Cambridge, MA: Cambridge University Press, 2006, pp. 121-139. R830882 (Final)
Book Chapter Howarth RW. Atmospheric deposition and nitrogen pollution in coastal marine ecosystems. In: Visgilio GR, Whitelaw DM, eds. Acid in the Environment: Lessons Learned and Future Prospects. New York, NY: Springer, 2007, pp. 97-116. R830882 (Final)
Book Chapter Howarth RW. How important is atmospheric deposition as a source of nitrogen to coastal marine ecosystems in the northeastern United States? In: Desbonnet A, Costa-Pierce BA, eds. Science for Ecosystem-Based Management:Narragansett Bay in the 21st Century. New York, NY: Springer, 2008, pp. 47-65. R830882 (Final)
 not available
Book Chapter Howarth R, Ramakrishna K, Choi E, Elmgren R, Martinelli L, Mendoza A, Moomaw W, Palm C, Roy R, Scholes M, Zhao-Liang Z. Nutrient management. In: Chopra KR, ed. Ecosystems and Human Well-Being: Policy Responses. Findings of the Responses Working Group, Millenium Ecosystem Assessment Series Volume 3. Washington, DC: Island Press, 2005, pp. 295-311. R830882 (Final)
Journal Article Boyer EW, Howarth RW, Galloway JN, Dentener FJ, Green PA, Vorosmarty CJ. Riverine nitrogen export from the continents to the coasts. Global Biogeochemical Cycles 2006;20:GB1S91, doi:10.1029/2005GB002537. R830882 (Final)
Journal Article David MB, McIsaac GF, Howarth RW, Goodale CL, Drinkwater LE. Fertilizer: complex issue calls for informed debate. Nature 2004;427(6970):99. R830882 (Final)
Journal Article Filoso S, Martinelli LA, Howarth RW, Boyer EW, Dentener F. Human activities changing the nitrogen cycle in Brazil. Biogeochemistry 2006;79(1-2):61-89. R830882 (Final)
Journal Article Galloway JN, Aber JD, Erisman JW, Seitzinger SP, Howarth RW, Cowling EB, Cosby BJ. The nitrogen cascade. BioScience 2003;53(4):341-356. R830882 (Final)
Journal Article Galloway JN, Dentener FJ, Capone DG, Boyer EW, Howarth RW, Seitzinger SP, Asner GP, Cleveland CC, Green PA, Holland EA, Karl DM, Michaels AF, Porter JH, Townsend AR, Voosmarty CJ. Nitrogen cycles: past, present, and future. Biogeochemistry 2004;70(2):153-226. R830882 (Final)
Journal Article Howarth RW. The development of policy approaches for reducing nitrogen pollution to coastal waters of the USA. Science in China Series C: Life Sciences 2005;48(S1):791-806. R830882 (Final)
Journal Article Howarth RW, Swaney DP, Boyer EW, Marino R, Jaworski N, Goodale C. The influence of climate on average nitrogen export from large watersheds in the Northeastern United States. Biogeochemistry 2006;79(1-2):163-186. R830882 (2004)
R830882 (Final)
Journal Article Martinelli LA, Howarth RW, Cuevas E, Filoso S, Austin AT, Donoso L, Huszar V, Keeney D, Lara LL, Llerena C, McIssac G, Medina E, Ortiz-Zayas J, Scavia D, Schindler DW, Soto D, Townsend A. Sources of reactive nitrogen affecting ecosystems in Latin America and the Caribbean: current trends and future perspectives. Biogeochemistry 2006;79(1-2):3-24. R830882 (Final)
Journal Article Morth C-M, Humborg C, Eriksson H, Danielsson A, Medina MR, Lofgren S, Swaney DP, Rahm L. Modeling riverine nutrient transport to the Baltic Sea: a large-scale approach. Ambio 2007;36(2-3):124-133. R830882 (Final)
Journal Article Scavia D, Justic D, Bierman Jr. VJ. Reducing hypoxia in the Gulf of Mexico: advice from three models. Estuaries and Coasts 2004;27(3):419-425. R830882 (Final)
Journal Article Smedberg E, Morth C-M, Swaney DP, Humborg C. Modeling hydrology and silicon-carbon interactions in taiga and tundra biomes from a landscape perspective:implications for global warming feedbacks. Global Biogeochemical Cycles 2006;20:GB2014, doi:10.1029/2005GB002567. R830882 (2004)
R830882 (Final)
Journal Article Swaney DP, Scavia D, Howarth RW, Marino RM. Estuarine classification and response to nitrogen loading:insights from simple ecological models. Estuarine, Coastal and Shelf Science 2008;77(2):253-263. R830882 (Final)
Report Howarth R, Rielinger DM. Nitrogen from the atmosphere: understanding and reducing a major cause of degradation in our coastal waters. Science and Policy Bulletin #8, Waquoit Bay National Estuarine Research Reserve, NOAA, Waquoit, MA, 2003. R830882 (Final)

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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