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Suggested Citation:"Appendix B: Guest Speakers at Committee Meetings." National Research Council. 2009. Nutrient Control Actions for Improving Water Quality in the Mississippi River Basin and Northern Gulf of Mexico. Washington, DC: The National Academies Press. doi: 10.17226/12544.
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Page 73
Suggested Citation:"Appendix B: Guest Speakers at Committee Meetings." National Research Council. 2009. Nutrient Control Actions for Improving Water Quality in the Mississippi River Basin and Northern Gulf of Mexico. Washington, DC: The National Academies Press. doi: 10.17226/12544.
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Page 74

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Appendix B Guest Speakers at Committee Meetings Federal Agencies Richard Alexander, U.S. Geological Survey, Reston, Virginia Richard Batiuk, U.S. Environmental Protection Agency, Annapolis, Maryland Joel Blomquist, U.S. Geological Survey, Baltimore, Maryland Roger Claassen, U.S. Department of Agriculture, Economic Research Service, Washington, D.C. John Goodin, U.S. Environmental Protection Agency, Washington, D.C. Marc Ribaudo, U.S. Department of Agriculture, Economic Research Service, Washington, D.C. Ward Sanford, U.S. Geological Survey, Reston, Virginia Ellen Tarquinio, U.S. Environmental Protection Agency, Washington, D.C. Nonprofit Organizations and Trade Associations Craig Cox, Environmental Working Group, Ames, Iowa Jon Devine, Natural Resources Defense Council, Washington, D.C. Jeffrey Jacobs, National Research Council, Washington, D.C. Keith Jones, National Association of Clean Water Agencies, Washington, D.C. Cathy Kling, Iowa State University, Ames, Iowa Matt Rota, Gulf Restoration Network, New Orleans, Louisiana Leonard Shabman, Resources for the Future, Washington, D.C. Tom Simpson, University of Maryland, College Park Rod Snyder, National Corn Growers Association, Washington, D.C. 73

74 NUTRIENT CONTROL ACTIONS FOR IMPROVING WATER QUALITY

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A large area of coastal waters in the northern Gulf of Mexico experiences seasonal conditions of low levels of dissolved oxygen, a condition known as hypoxia. Excess discharge of nutrients into the Gulf of Mexico from the Mississippi and Atchafalaya rivers causes nutrient overenrichment in the gulf's coastal waters and stimulates the growth of large algae blooms. When these algae die, the process of decomposition depletes dissolved oxygen from the water column and creates hypoxic conditions.

In considering how to implement provisions of the Clean Water Act to strengthen nutrient reduction objectives across the Mississippi River basin, the U.S. Environmental Protection Agency (EPA) requested advice from the National Research Council. This book represents the results of the committee's investigations and deliberations, and recommends that the EPA and U.S. Department of Agriculture should jointly establish a Nutrient Control Implementation Initiative to learn more about the effectiveness of actions meant to improve water quality throughout the Mississippi River basin and into the northern Gulf of Mexico. Other recommendations include how to move forward on the larger process of allocating nutrient loading caps -- which entails delegating responsibilities for reducing nutrient pollutants such as nitrogen and phosphorus -- across the basin.

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