Stock assessment of Thompson River/upper Fraser River coho salmon / J.R. Irvine … [et al.].: Fs70-1/1999-28E-PDF

Due to the mixed stock nature of the major ocean salmon fisheries and the limited data available on coho salmon, in the past, Thompson/upper Fraser River coho were managed and assessed (along with lower Fraser and Strait of Georgia coho stocks) as a large aggregate. In 1998, it was concluded that coho from the Thompson and upper Fraser River should be managed and assessed separately from other southern BC coho. This PSARC Working Paper is the first attempt to provide advice specific to Thompson and upper Fraser coho. Earlier assessments of southern BC coho identified concerns about the status of Thompson and other southern BC coho stocks. As a result, DFO implemented numerous fishery management measures designed to reduce coho exploitation rates. Despite these measures, spawning escapements to many Thompson streams continued to decline relative to their brood year escapement. The purpose of this report is to provide an assessment of the status of coho salmon from the Thompson/upper Fraser River.

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Publication information
Department/Agency Canada. Department of Fisheries and Oceans.
Canada. Canadian Stock Assessment Secretariat.
Title Stock assessment of Thompson River/upper Fraser River coho salmon / J.R. Irvine … [et al.].
Series title Canadian Stock Assessment Secretariat research document, 1480-4883 ; 99/28
Publication type Series - View Master Record
Language [English]
Format Electronic
Electronic document
Note(s) Includes bibliographical references (p. 26-28).
Publishing information Ottawa : Fisheries and Oceans Canada, 1999.
Author / Contributor Irvine, James R.
Description 66 p. : fig., graphs, maps, tables.
Catalogue number
  • Fs70-1/1999-28E-PDF
Subject terms Fisheries resources
Salt water fish
Fishing area
Fisheries management
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