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Photo by: Brady Couvillion
Land Area Change in Coastal Louisiana(1932 to 2010)D. Phil Turnipseed, P.E., D.WREDirectorUSGS National Wetlands Research CenterU.S. Geological SurveyU.S. Department of the Interior
Photo by: Brady Couvillion
Louisiana Wetlands are Louisiana Wetlands are Critical Critical
25% U.S. oil and gas production 25% U.S. oil and gas production
20% of U.S. waterborne commerce20% of U.S. waterborne commerce
70% of migratory birds winter in Louisiana 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 1985-2010: A football field every hour 16.57 square miles every year
Coastal Louisiana Lost 1,883 square miles from 1932-2010
Lake SalvadorShoreline Erosion
Barrier Island Land ChangeIsles Dernières
Multiple Impacts Birds Foot Delta
Delta BuildingWax Lake Outlet/Atchafalaya Delta
Extent of Mississippi River SedimentMay 27th, 2011
http://www.lacoast.gov/crms
http://www.nwrc.usgs.gov/