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1 1 (April 11, 2005)

handle is hein.crs/crsaivx0001 and id is 1 raw text is: Order Code RS221 10
April 11,2005
CRS Report for Congress
Received through the CRS Web
Coastal Louisiana Ecosystem Restoration:
The Recommended Corps Plan
Jeffrey Zinn
Specialist in Natural Resources Policy
Resources, Science, and Industry Division
Summary
The 109'h Congress may consider legislation that authorizes activities to counter
the widespread conversion of lands (mostly wetlands) to open water in coastal
Louisiana. In its final report on restoring the coastal Louisiana ecosystem, released
January 25,2005, the U.S. Army Corps of Engineers (Corps) recommends congressional
authorization of specific projects and general programs to both slow the process of
conversion and reestablish land at some converted sites. The Corps estimates that this
entire package of recommended activities would cost a total of $1,996 million. Included
in this package are recommendations for immediate authorization ($1,123 million),
further authorized investigation ($145 million), and projects that could be authorized in
the future ($728 million). This CRS short report is limited to a summary of this Corps
report and the next steps in implementation. It will be updated if Congress enacts
implementing legislation. For general background on the causes of land loss, the social
and economic costs that result from land loss, and earlier programs and proposals to
respond to it, see CRS Report RL32673, Coastal Louisiana: Attempting to Restore an
Ecosystem. To follow the likely legislative process, see CRS Issue Brief 1B10133,
Water Resources Development Act (WRDA): Army Corps of Engineers Authorization
Issues in the 109h Congress.
Introduction
Scientists agree about the general parameters of past and future rates and patterns of
land (and wetland) loss in coastal Louisiana. Since the 1930s, more then 1.2 million
acres, mostly coastal wetlands, have been converted to open water. The Corps forecasts
that land losses will continue, and that approximately 462,000 acres (including 328,000
wetland acres) will be converted to open water by 2050. The Corps and others who study
these changes believe that future losses will continue to be caused by some combination
of human activities, such as navigation improvements and development related to oil and
gas, and natural causes, such as relative sea level change. These factors have contributed
to losses over the past 75 years. These losses reduce the quality and productivity of this
wetlands ecosystem, and are accompanied by economic and social costs. While these
Congressional Research Service +o The Library of Congress

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