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Adult chinook escapement assessment conducted on the Cowichan River during 1998 / D.A. Nagtegaal and E.W. Carter. : Fs97-4/2501E-PDF

"In 1998, the Stock Assessment Division, Pacific Biological Station, conducted a study of chinook salmon (Oncorhynchus tshawytscha) productivity in the Cowichan River. Major components of this ongoing study include: i) enumeration of spawners and total return, ii) estimation of Native food fish catch, iii) recording hatchery broodstock removals, iv) biological sampling and coded-wire tag (CWT) recovery data collection. A carcass mark-recapture study was conducted to augment the fence count. Total return of adult chinook to the Cowichan River was estimated to be 7,062 in 1998. The number of natural spawners was estimated to be 4,328. Carcass mark-recapture escapement estimate was determined to be 2,087 (95% CL; 1,956 - 2,218)"--Abstract, page vi.

Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.964278&sl=1

Renseignements sur la publication
Ministère/Organisme
  • Canada. Department of Fisheries and Oceans, issuing body.
  • Pacific Biological Station (1972- ), issuing body.
TitreAdult chinook escapement assessment conducted on the Cowichan River during 1998 / D.A. Nagtegaal and E.W. Carter.
Titre de la série
  • Canadian manuscript report of fisheries and aquatic sciences, 0706-6473 ; 2501
Type de publicationMonographie - Voir l'enregistrement principal
Langue[Anglais]
FormatTexte numérique
Document électronique
Note(s)
  • Digitized edition from print [produced by Department of Fisheries and Oceans].
  • Includes bibliographical references (pages 12-13).
  • Includes abstracts in English and French.
Information sur la publication
  • Nanaimo, British Columbia : Fisheries and Oceans Canada, Science Branch, Pacific Region, Pacific Biological Station, 1999.
  • ©1999
Auteur / Contributeur
  • Nagtegaal, D. A. (Dick A.)author.
Description1 online resource (vii, 51 pages) : illustrations, maps.
Numéro de catalogue
  • Fs97-4/2501E-PDF
Descripteurs
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