Beamer et al 2007 fish assemblage greater skagit delta

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Eric Beamer, E., C. Rice, R. Henderson, K. Fresh, M. Rowse. 2007. Taxonomic Composition of Fish Assemblages, and Density and Size of Juvenile Chinook Salmon in the Greater Skagit River Estuary Field Sampling and Data Summary Report. Prepared by the Skagit River System Cooperative and NW Fisheries Science Center for the Department of the Army, Seattle District, Corps of Engineers, Seattle, WA.

his report summarizes over 4,500 individual fish catch records from beach seine, fyke trap, and surface trawl sets across habitat types and seasons over a three year period from 2001-2003. These collections were intended to document basic natural history information on estuarine fishes that could be used in a variety of management contexts, primarily salmon recovery planning, and monitoring and assessment.

Notes

  • Fish assemblage composition is strongly affected by habitat and timing
  • There is significant year to year variation