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Caernarvon Freshwater Diversion Project

Source: http://www.lacoast.gov (6 June, 2004)
The project diverts fresh water, nutrients and sediments from the Mississippi River to coastal bays and marshes in Breton Sound for fish and wildlife enhancement. Benefits include restoration of former ecological conditions by controlling salinity and supplementing nutrients and sediments. A total of 16,000 acres of marshland will be preserved and 77,000 acres of marshes and bays will be benefited by the project.

The diversion takes place under regulated conditions developed from monitoring the impact on the environment and the fish and wildlife. The project benefits existing commercial fisheries by enhancing marsh conditions, and improving the fish and wildlife resources of the area. Analysis of monitoring data by Louisiana State University scientists has indicated that nutrients, especially nitrogen, are removed by the marsh prior to reaching the Gulf of Mexico. Additionally, the high population of oysters generated since operation began facilitates removal of nutrients and algae and promotes water clarity.


Sponsor(s):
The project was authorized by the Flood Control Act of 1965, (PL 89-298), the Water Resources Development Act (WRDA) 1974 (PL 93-251), and WRDA 1986 (PL 99-622).

Institution(s):
US Army Corps of Engineers

Field of Focus:
The project diverts fresh water and its accompanying nutrients and sediments from the Mississippi River to coastal bays and marshes in Breton Sound for fish and wildlife enhancement.

Study Site:   Mississippi Delta Region, Louisiana

Award Period:   Since 1991, Ongoing

Home Page:   http://www.lacoast.gov/programs/Caernarvon/

Keywords:   Freshwater, Nutrients, Sediments, Diversion, Restoration, Salinity, Supplement, Monitoring, Development, Fisheries, Marshes, Bays, Wildlife

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