Northwest Fisheries Science Center

Display All Information

Document Type: Contract Report
Center: NWFSC
Document ID: 8844
Title: Benthic invertebrates at a test dredged-materials disposal site in the Umpqua River, Oregon
Author/Editor: David R. Miller, Robert L. Emmett, Robert J. McConnell
Publication Year: 1989
Publisher: National Marine Fisheries Service
Contracting Agency: U.S. Army Corps of Engineers. Portland, Oregon
Keywords: benthic invertebrate, dredging,sediment sampling,

In June 1987, the National Marine Fisheries Service entered into a cooperative agreement with the U.S. Army Corps of Engineers, Portland District, to assess the impact of the disposal of dredged materials from the entrance of Winchester Bay, Umpqua River, Oregon, on benthic infauna at a proposed in–bay disposal site.  Dredging began 15 September and was completed on 16 October.  Collection of biological and sediment samples was done on 18 August and 26 October 1987.