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Fall Chinook (Oncorhynchus Tshawytscha) Spawning Escapement Estimate And Age Composition For A Tributary



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  • Personal Author:
    Waldvogel, Jim
  • NOAA Program & Office:
  • Sea Grant Program:
    CASG/CUIMR (California Sea Grant)
  • Description:
    This 32-page book analyzes the 23-year spawning escapement study (1980-2002) of the fall chinook salmon run on the West Branch Mill Creek, a tributary of the Smith River in Northern California. This is the longest known time-series study of native salmon in California. The Smith River is the largest un-dammed, free-flowing river in California, draining into the Pacific Ocean. It is considered the healthiest river system in California and has "Wild and Scenic River" status, is part of a National Recreation Area, and is managed by the California State Parks/Redwood National Park systems. The purpose of the study was to estimate the relative abundance of spawning fall chinook in a defined study section over a period of more than 20 years as habitat changed. An age composition of the spawning population was also determined.
  • Sea Grant Document Number:
    CASG-T-06-003
  • Document Type:
    Technical Report
  • Funding:
    Grant no. NA04OAR4170038
  • Rights Information:
    Public Domain
  • Compliance:
    Library
  • Main Document Checksum:
    urn:sha256:9e5e17f41775654c7b1aaa1193a24e3a7b73da8fa7559b16456d7846358dfab4
  • Download URL:
  • File Type:
    Filetype[PDF - 8.92 MB ]
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