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Project Updates

Check out this video on Phase II of this Edgewood neighborhood salt marsh restoration.

Also, see this article in the Providence Journal about the project. 

Project Description

Stillhouse Cove, located on the Providence River, is a salt marsh that was impacted by runoff from surrounding high density development and historic filling. Stormwater runoff discharged into the marsh resulting in sediment accumulation on the marsh surface and the colonization of the sediment by the invasive plant, Phragmites australis.

In 2004, a major restoration project was conducted in the Cove which included improving stormwater management and removing fill from the salt marsh. The improved stormwater management included installing “Vortechnic” catch basins to reduce the amount of sediment that was entering the marsh from the surrounding developed watershed. The salt marsh restoration included restoring 1.5 acres of valuable marsh habitat by removing approximately 1,400 cubic yards of material from the marsh and excavating new creeks into the salt marsh. Due to budget constraints, the material that was removed from the salt marsh was disposed of in the upper marsh area. This area is now being recolonized with Phragmites australis.  

The Edgewood Waterfront Preservation Association, in coordination with the City of Cranston, the Natural Resources Conservation Service and Save The Bay is conducting a second phase of the salt marsh restoration and the implementation of an adaptive management plan for Stillhouse Cove. This phase of restoration includes removing fill material from the disposal area and sections of the upper marsh, treating the Phragmites over a 3 year period, and seeding the upland edge of the marsh with warm season grasses.

Project Goals

The goals of the Stillhouse Cove salt marsh restoration project are to:

  • reestablish the native high and low marsh plant communities.
  • decrease the height and vigor of the invasive reed Phragmites australis
  • increase fish and bird usage of the marsh.
  • reduce the mosquito population.

Where is Stillhouse Cove? Link here to our Bay Map to find out (scroll down on the left hand side of the page to find Stillhouse Cove).

Project Details
Project Photos

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