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Channel Islands National ParkPrisoners Harbor and pier
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Channel Islands National Park
Protect and Enhance Resources at Prisoners Harbor
 

Prisoners Harbor on Santa Cruz Island is the principal gateway to the largest of the Channel Islands. The harbor sits at the mouth of Cañada del Puerto, an ephemeral creek that drains 13 square miles of the island's interior, including the island's Central Valley. Historically, the Prisoners area was one of the largest backbarrier coastal wetlands on the Channel Islands. This rare habitat, comprised of a fresh water stream, coastal lagoon/wetland, and riparian woodland, provided respite from the long dry summers for a diverse array of species including the island fox and bald eagle. The wetland most likely served as a resting and feeding stop for migratory birds traveling the Pacific flyway, as well as nesting and foraging habitat for resident waterfowl.

Prisoners Harbor also has an extensive legacy of human occupation: Chumash people occupied a village at the harbor for at least 5,000 years. Nineteenth- and twentieth-century landowners constructed a pier, buildings, and other structures at Prisoners Harbor. To facilitate the island ranching operations and protect their investments at the harbor, ranchers channelized the creek and filled in the adjacent wetland with gravels from the surrounding hills and creekbed. This effectively eliminated the ecological value of the coastal wetland system, its floodplain functions, and much of its biological diversity.

The National Park Service (NPS) is exploring options for protecting and enhancing resources at Prisoners Harbor. NPS policy directives guide park staff to restore wetlands where feasible. The NPS is considering the following actions at Prisoners Harbor:

  • Reestablish a habitat that is rare both in California and on the Channel Islands. 

  • Reestablish wetland and floodplain functions.

  • Restore natural biological diversity of the Prisoners Harbor area.

  • Provide a more productive habitat for plants and wildlife.

  • Provide an enhanced experience for visitors.

Concurrently, this restoration will:

  • Protect the archeological village site from erosion.

  • Provide better protection to the historic warehouse building from flooding.

  • Interpret the cultural and natural history of the Prisoners Harbor area.

  • Maintain vehicle access to the pier.

The public scoping period for this project ended on July 27, 2008. Click on the link below to download the public scoping report.

Please visit the the National Park Service Planning, Environment and Public Comment (PEPC) web page for more information on this project. 

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Prisoners Harbor Restoration Information

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Planning, Environment and Public Comment (PEPC)
Visit the PEPC website for more information on this project and to submit public comments.
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National Park Service Planning Website
Learn more about planning in the National Park Service.
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Blue whale                                          Photo: Brad Sillasen  

Did You Know?
Park and sanctuary waters are home to the largest aggregation of blue whales in the world. Approximately 10% of the global blue whale population gathers in the channel during the summer.
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Last Updated: August 12, 2008 at 19:30 EST