Nutrient Management Strategy Reports

Louisiana Nutrient Management Strategy: Protection, Improvement, and Restoration of Water Quality in Louisiana's Water Bodies

 

Louisiana Nutrient Management Strategy: Protection, Improvement, and Restoration of Water Quality in Louisiana's Water Bodies. A stakeholder engagement and outreach phase completed in early 2013 promoted public participation for suggestions and content for inclusion in this strategy. This strategy champions approaches to nutrient management specific to the state of Louisiana, and includes various implementation methods that include riverine diversions, nonpoint and point source management, voluntary participation in incentive-based programs, leveraging opportunities, and science-based new technologies/applications to drive nutrient solutions for those impacts originating locally within Louisiana as well as mitigate nutrient impacts from the MARB that enter Louisiana waters from upstream sources.

2015 Annual Report: Louisiana Nutrient Management Strategy Implementation, April 15, 2016

2015 Annual Report: Louisiana Nutrient Management Strategy Implementation, April 15, 2016. The Louisiana Nutrient Management Strategy (‘Strategy’) was released May 2014. The Strategy presents a framework of ten strategic components with underlying actions that guide implementation of nutrient management activities across the state. Completing these strategic actions, in addition to adapting, modifying, and/or identifying additional actions is part of the Strategy implementation process. The Strategy Interagency Team is comprised of representatives from the Louisiana state agencies of the Coastal Protection and Restoration Authority of Louisiana (CPRA), the Louisiana Department of Agriculture and Forestry (LDAF), the Louisiana Department of Environmental Quality (LDEQ), and the Louisiana Department of Natural Resources (LDNR). Partnerships with other agencies and groups including the Louisiana State University Agricultural Center (LSU AgCenter); the US Business Council for Sustainable Development (US BCSD), Louisiana Water Synergy Project; the US Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS); and the US Environmental Protection Agency (USEPA) Region 6 form a well-rounded team to achieve these nutrient management efforts outlined in the Strategy for Louisiana. This Annual Report describes the accomplishments in implementation of the Strategy during 2015. Completed and ongoing strategic actions are identified and results and progress made during 2015 are discussed.

  

2014 Annual Report: Louisiana Nutrient Management Strategy Implementation, May 18, 2015

2014 Annual Report: Louisiana Nutrient Management Strategy Implementation, May 18, 2015. The Louisiana Nutrient Management Strategy (‘Strategy’) was released May 2014.  The Strategy presents a framework of ten strategic components with underlying actions that guide implementation of nutrient management activities across the state.  Completing these strategic actions, in addition to adapting, modifying, and/or identifying additional actions is part of the Strategy implementation process.The Strategy Interagency Team is comprised of representatives from the Louisiana state agencies of the Coastal Protection and Restoration Authority of Louisiana (CPRA), the Louisiana Department of Agriculture and Forestry (LDAF), the Louisiana Department of Environmental Quality (LDEQ), and the Louisiana Department of Natural Resources (LDNR).  Partnerships with other agencies and groups including the Louisiana State University Agricultural Center (LSU AgCenter); the US Business Council for Sustainable Development (US BCSD), Louisiana Water Synergy Project; the US Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS); and the US Environmental Protection Agency (USEPA) Region 6 form a well-rounded team to achieve these nutrient management efforts outlined in the Strategy for Louisiana. This Annual Report describes the accomplishments in development and implementation of the Strategy during 2014.  Completed and ongoing strategic actions are identified and results and progress made during 2014 are discussed. 

 

Nitrogen and Phosphorus Trends of Long-Term Ambient Water Quality Monitoring Sites in Louisiana

Nitrogen and Phosphorus Trends of Long-Term Ambient Water Quality Monitoring Sites in Louisiana, December 2015.  Abstract: Trends for total Kjeldahl nitrogen (TKN), nitrite + nitrate (NOx), total phosphorus (TP) and concentrations were analyzed for the 21 long-term monitoring sites in the Louisiana Department of Environmental Quality’s (LDEQ) ambient water quality monitoring network from 1978 to 2014. These sites represent eleven of the twelve watershed basins in Louisiana. A Mann-Kendall trend test found the majority of trends (73%) to be decreasing. All sites had a decreasing trend for TKN, twelve sites showed a decreasing trend for NOx, and thirteen sites showed a decreasing trend for TP. Only one trend, NOx for the Bogue Chitto River, was found to be increasing. The land use for the watershed of the eleven rivers included in this analysis was calculated and then analyzed along with the median nutrient value in a Kendall tau correlation analysis. Agriculture was found to be significantly correlated with higher concentrations of TKN and TP (p<0.01), while forested lands were found to be significantly correlated with lower concentrations of TKN and TP (p<0.05). Even though agriculture was found to be associated with higher nutrient concentrations, basins with the most agriculture also showed the most improvement in nutrient management as evidenced by decreasing or no observable increasing trends in nutrients.

Page last updated April 19, 2016

 

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