Armored Shorelines of Puget Sound

"Shoreline armoring" refers to any kind of structure built to immobilize beach sediments and prevent natural erosion of the shoreline.

Approximately 27% of the total shoreline length of Puget Sound is armored with some type of retaining structure, although in urban areas such as the city of Seattle, the percentage is much higher.

The location of shoreline armoring often overlaps with ecologically valuable habitats for birds, fish and other organisms, but the effects of this overlap are not well understood. Research is needed to determine the effects of armoring in Puget Sound, particularly under what circumstances armoring has negative effects. 
For more background information on the impacts of shoreline armoring, see proceedings from a recent workshop entitled  Puget Sound Shorelines and the Impacts of Armoring
The above info from this website




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