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Restoration in the Columbia Estuary: One Project, Many Species
Pacific Region, May 3, 2005
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Construction began in the fall of 2004 on the Crims Island habitat restoration project at the Julia Butler Hansen Refuge for the Columbian White-tailed Deer. More than 200 acres of reed canarygrass-dominated former cattle pasture will be restored to tidal marsh and riparian forest. The Bonneville Power Administration funded the acquisition of 473 acres on the island by the Columbia Land Trust. The property was then transferred to the refuge. Personnel of the U.S. Army Corps of Engineers, Portland District, worked with refuge staff to finalize the restoration design. The Corps is also funding construction at an estimated cost of $2,800,000. Ninety-four acres will be excavated to the elevation of a nearby reference marsh (an excavation depth of approximately two feet). The new marsh will be connected to the Columbia River by an existing channel and a new constructed channel. The spoils will be spread on adjacent higher ground and will be planted with native cottonwood, willow and ash to create 115 acres of riparian forest. The marsh will provide productive rearing and foraging habitat for juvenile salmon and will also increase the flow of detrital nutrients to the estuary. Columbian white-tailed deer, which were reintroduced to the island in 1999, will benefit from improved foraging habitat. This is the first project of this type in the Columbia Estuary and the results will be used to guide future restorations. The project also provides an example of how recovery efforts for multiple species can be combined to achieve greater effects.

No contact information available. Please contact Charles Traxler, 612-713-5313, charles_traxler@fws.gov


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