Seal Beach National Wildlife Refuge - Thin-layer Salt Marsh Sediment Augmentation Pilot Project

2 Documents in Project

Summary

SCH Number
2014081016
Lead Agency
Coastal Conservancy, California State (California State Coastal Conservancy)
Document Title
Seal Beach National Wildlife Refuge - Thin-layer Salt Marsh Sediment Augmentation Pilot Project
Document Type
MND - Mitigated Negative Declaration
Received

Document Description
The Pilot Project proposes to apply a thin-layer of sediment over about 10 acres of existing salt marsh habitat on the Seal Beach NWR for the purpose of improving habitat quality in an area of the Refuge impacted by subsidence and sea level rise. In accordance with a five-year monitoring plan, the technique of thin-layer sediment augmentation will be evaluated to determine its effectiveness as a sea level rise adaptation strategy. The physical and ecological responses of the marsh to sediment augmentation will be documented and shared with other agencies and land managers interested in identifying options for conserving salt marsh habitat threatened by sea level rise along the California coast. Mitigation measures have been incorporated into the scope of the project.

Contact Information
Evyan Borgnis
California State Coastal Conservancy
1330 Broadway, 13th Floor
Oakland, CA 94612

510 286 4091

Location

Coordinates
33°44'10"N 118°4'42.7"W
Cities
Seal Beach
Counties
Orange
Cross Streets
Pacific Coast Highway and Seal Beach Blvd
Zip
90740
Total Acres
16
State Highways
Hwy 1
Schools
Yes
Waterways
Anaheim Bay, Huntington Harbour

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (10-acre sediment augmentation within a 16-acre site)
Local Action
Other Action Other Action: Habitat Enhan.
Project Issues
Cumulative Effects Wetland/Riparian Water Quality Vegetation Toxic/Hazardous Noise Coastal Zone Biological Resources Archaeologic-Historic
Reviewing Agencies
Caltrans, District 12 Department of Fish and Wildlife, Region 5 State Lands Commission Air Resources Board California Coastal Commission California Department of Parks and Recreation California Highway Patrol Department of Water Resources Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 8 Resources Agency
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