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

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

Land Area Change in Coastal Louisiana

1,883 square mile decrease

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

Lake Salvador Shoreline Erosion

Barrier Island Land Change Isles Dernières

Multiple Impacts Birds Foot Delta

Delta Building Wax Lake Outlet/Atchafalaya Delta

Extent of Mississippi River Sediment May 27 th, 2011