Wetland Restoration

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Tidal Wetland Restoration —
Heritage Island Freshwater Tidal Wetland Creation

Project: Heritage Island Freshwater Tidal Wetland Creation
Project Sponsor: US Federal Government
Location: Anacostia River – Washington, DC
Scope: Installed several thousand linear feet of double-stacked coir logs, 6 acres of goose exclusion fence, over 65,000 herbaceous wetland plugs, and 3,000 wetland shrubs. Extremely soft sediment and unpredictable tides (exacerbated by the influence of freshwater run-off from upriver, winds, and restricted channels) made this work particularly difficulty and required thorough planning and flexibility to successfully complete this project.


Setting up coir log containment cells prior to placing dredge material


Moving coir logs through very soft mud

One of 3 completed coir log containment cells

Containment cells following placement of dredge material

Planting of constructed cells

Center cell several weeks after planting

Overview of entire site one month after planting

Overview of entire site 1 year after planting

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