Thursday, June 1
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| 7:30 am |
| Registration
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| 8:30 am |
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Welcome and Introductions
Doug Daigle, Lower Mississippi River Sub-basin Committee on Hypoxia
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| 8:35 am |
| Review of Hypoxia Action Plan and Explanation of Reassessment Process
Darrell Brown, U.S. Environmental Protection Agency
Presentation Handout (PDF, 147 kb)
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| 8:50 am |
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Gulf Science Symposium, Summary and Findings
Alan Lewitus, NOAA
Presentation Handout (PDF, 307 kb) |
| Session 1: Overview of the Lower Mississippi River Basin |
| 9:05 am |
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Trends in Nutrient Concentrations and Loads in the South-Central U.S.
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| 9:25 am |
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- Suspended Sediment, C, N, P, and Si Yields from the Mississippi River Basin
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| 9:45 am |
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- The Conservation Effects Assessment Project for Wetlands In the Lower Mississippi Alluvial Valley
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| 10:05 am |
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Question Panel: Phil Bass, Gulf of Mexico Program;
Robert Delaney, Lower Mississippi River Conservation Committee |
| 10:35 am |
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Break
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| Session 2: |
Current Status of Nutrient Monitoring in the Lower Mississippi River Basin |
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| 10:50 am |
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- History and Status of USGS Monitoring of Nutrient Concentrations and Loads in the Mississippi-Atchafalaya River System
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| 11:10 am |
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- State Agency Water Quality Monitoring on the Lower Mississippi River
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| 11:30 am |
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Question Panel: Dr. Alan Lewitus, NOAA; Dr. Nancy Rabalais, LUMCON
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| 12:00 pm |
| Lunch (on your own)
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| Session 3: Municipal and Point Sources |
| 1:15 pm |
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- Hurricane Impacts on Municipal Sewage and Stormwater System
- Jorge Ferrer and Dale Champau , Department of Public Works, Baton Rouge
Presentation Handout (PDF, 483 kb)
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| 1:35 pm |
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- Wetland Assimilation Plans for the Orleans Parish Wastewater Treatment Plant
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| 1:55 pm |
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- Management of Nitrate Discharges in Refinery Effluent
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| 2:15 pm |
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Question Panel: Dr. Larry Beran, Industry-Led Solutions; Peter Tennant, ORSANCO |
| 2:45 pm |
| Break
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| Session 4: Tributary Watersheds |
| 3:00 pm |
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- Trends in Flux of Nutrients from the Yazoo River
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| 3:20 pm |
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- Municipal Point Source Impacts on the Loosahatchie River
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| 3:40 pm |
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Question Panel: Richard Ingram, Mississippi Department of Environmental Quality;
Ken Brazil, Arkansas Natural Resources Commission |
| Session 5: Agricultural Management and Practices in Lower Mississippi River Basin Watersheds I |
| 4:10 pm |
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- Coulee Baton Micro-Watershed Project: A Locally Led Watershed Solution, Vermillion Parish, Louisiana
- Dr. Ernest Girouard, Vermilion Soil and Water Conservation District
- Dr. Larry Beran, Industry-Led Solutions
Presentation Handout (PDF, 368 kb)
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| 4:30 pm |
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- USDA Natural Resources Conservation Service Implementation of Nutrient Management Plans
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| 4:50 pm |
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Question Panel: Dr. John Westra, LSU Agricultural Center; Michael Sullivan, USDA Natural Resource Conservation Service |
| 5:10 pm |
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Conclude Day One |
Friday, June 2
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| Session 6: Agricultural Management and Practices in Lower Mississippi River Basin Watersheds II |
| 8:00 am | |
- USDA-ARS Research on Innovative Drainage Water Management with BMP Combination to Reduce Agricultural Nutrient Transport to Lower Mississippi River Basin Surface Waters and the Gulf Hypoxic Zone
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| 8:20 am | |
- Estimated Sediment Loss from Cotton Fields under Conservation and Conventional Tillage in the Bayou Bartholomew Watershed
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| 8:40 am | |
- Nutrient Balance and Soil Fertility Status/Trends in the Midsouth States: Water Quality Implications
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| 9:00 am | |
- Nitrogen Transformations in Flooded Agricultural Fields
- Dr. Clifford Ochs, Department of Biology, University of Mississippi
Presentation Handout (PDF, 633 kb)
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| 9:20 am | |
Question Panel: Dr. Martin Locke, USDA-ARS Sedimentation Lab; Dr. Eugene Turner, LSU School of the Coast and Environment |
| 9:50 am |
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Break |
| Session 7: The Role of Wetlands in Nutrient Cycling |
| 10:05 am |
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- Restoration of Water Quality Functions in Riparian Forests of the Lower Mississippi Alluvial Valley
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| 10:25 am |
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- The Impacts of Global Trends of Climate and Energy on Nutrient Loads and Hypoxia in the Mississippi Delta (From Session 9: Future Trends)
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| 10:45 am |
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- Assimilation of Municipal Effluent in the Coastal Wetlands of Louisiana
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| 11:05 am |
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Question Panel: Ken Teague, U.S. Environmental Protection Agency, Region 6; Dr. Piers Chapman, LSU School of the Coast and Environment/CREST Program |
| 11:35 pm |
| Lunch (on your own)
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| Session 8: The Distributary Region of the River: Obstacles and Opportunities |
| 1:00 pm | |
- Effects of Mississippi River Water on Phytoplankton Growth in Upper Barataria Estuary, LA
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| 1:20 pm | |
- Nutrient Dynamics in the Upper Breton Sound Estuary as Affected by the Caernarvon Diversion
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| 1:40 pm |
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- Current USGS Data on Nutrient Cycling in the Atchafalaya
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| 1:55 pm |
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- Water Quality Restoration in Atchafalaya River Basin Cypress Swamp via
Denitrification
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| 2:10 pm | |
- Atchafalaya River Nutrients: When is a Basin a River?
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| 2:30 pm | |
Question Panel: Andrew Barron, Barataria-Terrebonne National Estuary Program; Dr. Brian Fry, LSU Coastal Energy Institute |
| 3:00 pm |
| Break
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| Session 9: Future Trends |
| 3:15 pm | |
- Potential Future Strategies and Mechanisms of Mississippi River Modification to Meet Multiple Objective Water Resources Problems and Needs in the Near and Long Terms
- Edmond J. Russo, Jr., P.E., Chief, Coastal Engineering Branch, USACE
Presentation Handout (PDF, 455 kb)
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| 3:35 pm | |
- Climatic Influences on Riverine Nitrate Flux: Implications for Coastal Marine Eutrophication and Hypoxia
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| 3:55 pm | |
Question Panel: Dr. Cliff Snyder, Potash and Phosphate Institute; Dr. Len Bahr, Louisiana Governor's Office of Coastal Activities |
| 4:25 pm |
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Conclusion: Doug Daigle, Lower Mississippi River Sub-basin Committee on Hypoxia
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| 4:30 pm |
| Adjourn
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Posters
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- Source Areas in the Lower Mississippi River Basin: Ills and Cures
in the Yazoo River Basin
- Charles Cooper, Martin Locke, and Scott Knight
USDA-ARS, Water Quality and Ecology Research Unit,
National Sedimentation Laboratory, Oxford, MS
- Depletion of Residual Nitrate-Nitrogen From an Alfisol as Influenced by Long-term Nitrogen Fertilizer Application and Irrigation Method
- J Scott McConnell, University of Arkansas - SEREC, Monticello, Arkansas
Dr. Paul Francis, University of Arkansas at Monticello
Dr. Robert Stark, University of Arkansas at Monticello
- Inorganic Nitrogen Concentrations in Rice Floodwater
- Nathan Slaton, Trenton Roberts, Dr. Rick Norman, R.E. DeLong, and C.V. Tucker.
University of Arkansas at Fayetteville
- Louisiana's Master Farmer Program
- Dr. John Westra, LSU Agriculture Center, Baton Rouge, LA
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