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Habitat Restoration and Mitigation
 At Grette
Associates, habitat restoration and enhancement are crucial components of many
of our projects. From large-scale waterfront developments to smaller
single-family residence construction, habitat restoration is key to striking a
balance between the development needs of the region and the protection and
enhancement of our unique natural resources.
Our staff at Grette Associates are recognized as leaders in designing and
permitting innovative habitat restoration and mitigation solutions that meet the
needs of our clients. Our expertise includes eelgrass restoration and
transplantation, wetland sciences, fisheries and wildlife ecology, stream and
riparian assessment, and natural resources permitting. We combine
innovative and flexible approaches with proven knowledge and experience to
achieve successful restoration of habitat.
Featured Projects
Drayton Harbor Eelgrass Project, Port of Bellingham:
This project
was constructed in conjunction with the Blaine Harbor Marina Moorage Expansion
Project in Blaine, Washington. In
order to provide suitable intertidal habitat for additional eelgrass in Drayton
Harbor, Grette Associates staff provided conceptual design, permitting,
construction monitoring and eelgrass planting for a 16-acre intertidal eelgrass
bed. The project utilized more than
200,000 yards of clean dredge material to elevate the bottom of the harbor over
seven feet to create conditions suitable for eelgrass. Grette Associates has been conducting
annual eelgrass planting and monitoring services.
The eelgrass bed is thriving.
Rhone-Poulenc Saltmarsh Habitat, Port of Tacoma:
Grette Associates
staff designed a 0.6-acre saltmarsh habitat on a remediated site in the Blair
Waterway. The project was a
component of the permitting Grette Associates conducted for construction of a
60-acre shipping terminal. The
design objectives were saltmarsh production and juvenile salmonid foraging
habitat. The project has become a
model for saltmarsh restoration in Commencement Bay.
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