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YEAR 2007 - CRP Project #6005 (Gulf of Mexico)

Project #6005
South Terrebonne Terracing Project

Bayou Terrebonne, Louisiana

Satellite image - click to enlarge
Satellite image of project site

Project name:   South Terrebonne Terracing Project  
Project number:   6005  
Project status:   Complete  
Grant Administrator:   Gulf of Mexico Foundation (for NOAA)  
Grantee:   Terrebonne Parish Consolidated Government  
Project location:   Bayou Terrebonne (South of Bush Canal)  
Grant period:   Jan 1, 2021 August 31, 2021  
Grant amount:   $36,740  
Land Ownership:   Multiple Private Landowners  
Lat/Long:   2905'15" N, 9028'15" W  
Types of Habitat:   Brackish Marsh, Brackish Open Water  
Project leader:   Leslie Suazo
Office of Coastal Restoration and Preservation
Terrebonne Parish Consolidated Government

Species Benefiting From Restoration:
   White shrimp (Litipenaeus setiferus)
   Brown Shrimp (Penaeus aztecus)
   Blue Crab (Callinectes sapidus)
   Red Drum (Sciaenops ocellatus)
   Atlantic croaker (Micropogonias undulates)
   Black drum (Pogonias cromis)
   Spotted sea trout (Cynoscion nebulosus)
   Southern flounder (Paralichthys lethostigma)
   Sheepshead (Archosargus probatocephalus)

Acres of Habitat To be Restored:
Approximate total of 22,500 feet of linear terraces

Project Summary:
Based on survey information available, areas with an average water depth of 3.0 feet or less were targeted. An approximate total of 22,500 feet of linear terraces would be constructed. This includes approximately 17,500 linear feet of small terraces, and 5,000 linear feet of large terraces. The terraces would have a 1:4 side slope, an initial height of +4 ft. NAVD88, and a settled height of +2.5ft. NAVD88. The smaller terraces would have a 10 ft. crown and the larger terraces would have a 25ft. crown. The terraces would be planted with four rows of smooth cordgrass (2 rows per side) and 2 rows of marshhay cord grass on the crown. The terrace field alignments will be designed to ensure
maximum reduction in wave energy, thereby increasing shoreline protection benefit as well as habitat benefits.

Project Objectives:

  • Terraces will be constructed utilizing a marsh buggy, excavator and backhoes. Depending on soil conditions, adjacent borrow areas may be staggered and will likely parallel the terrace. Terraces will be planted once construction is complete.
  • The entire project area will be monitored for a minimum of five years, in keeping with the NOAA requirements for successful restoration implementation.
  • In years one and two, the plan shall include quarterly evaluation of the emergent vegetation and the presence of adjacent submerged aquatics and the ability of the terraces to withstand disturbance caused by human or natural activities. In years three and four, monitoring activities will be conducted every six months. Monitoring shall be conducted at least once during year five, depending upon lessons learned from prior monitoring. Additional monitoring shall be conducted if warranted.

Outreach Efforts:
In addition to outreach support offered by BTNEP, TPCG will provide regular, bi-monthly project updates to the membership of the Coastal Zone Management and restoration Advisory Committee; the Terrebonne Parish Council (these proceedings are televised on HTV and the Parish public access channel, TPTV). Quarterly updates will be provided to the Houma-Terrebonne Chamber of Commerce Coastal Advisory Committee and the South Central Industrial Association, and quarterly updates will be submitted to area newspapers for publication.


NOAA Restoration Center

Gulf of Mexico Foundation

Terrebonne Parish Consolidated Government

Terrebonne Levee and Conservation District (TLCD)

Barataria-Terrebonne National Estuary Program (BTNEP)

Nicholls State University

Gulf of Mexico Foundation - PMB 51, 5403 Everhart - Corpus Christi, TX 78411
(800) 884-4175 toll free - (361) 882-3939 phone - (361) 882-1262 fax
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webmaster: Carrie Robertson