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Photo by: Brady Couvillion Land Area Change in Coastal Louisiana (1932 to 2010) D. Phil Turnipseed, P.E., D.WRE Director USGS National Wetlands Research.

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Presentation on theme: "Photo by: Brady Couvillion Land Area Change in Coastal Louisiana (1932 to 2010) D. Phil Turnipseed, P.E., D.WRE Director USGS National Wetlands Research."— Presentation transcript:

1 Photo by: Brady Couvillion Land Area Change in Coastal Louisiana (1932 to 2010) D. Phil Turnipseed, P.E., D.WRE Director USGS National Wetlands Research Center U.S. Geological Survey U.S. Department of the Interior

2 Photo by: Brady Couvillion Louisiana Wetlands are Critical  25% U.S. oil and gas production  20% of U.S. waterborne commerce  70% of migratory birds winter in Louisiana

3 Land Area Change in Coastal Louisiana

4 1,883 square mile decrease

5 This equates to losing:  A land area the size of Delaware over 78 years  A land area greater than the island of Manhattan every year From :  A football field every hour  square miles every year Coastal Louisiana Lost 1,883 square miles from

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7 Lake Salvador Shoreline Erosion

8 Barrier Island Land Change Isles Dernières

9 Multiple Impacts Birds Foot Delta

10 Delta Building Wax Lake Outlet/Atchafalaya Delta

11 Extent of Mississippi River Sediment May 27 th, 2011

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