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A preliminary study of variability in year-class abundance of post-larval and juvenile lingcod in the Strait of Georgia during 1980-82 / by A.J. Cass and J.R. Scarsbrook. : Fs97-4/1755E-PDF

"Purse seine and bottom trawl surveys were conducted in the Strait of Georgia to estimate the relative strengths of the 1980 and 1981 year-classes of post-larval and age-1 lingcod in the Strait of Georgia. Densities of post-larvae compared favorably with a strong 1975 year-class. As a result, strong 1980 and 1981 year-classes are predicted at recruitment to the fishable stock. Purse seine surveys appear to provide a useful means to examine factors controlling recruitment and to evaluate the impact of stock rebuilding strategies in the Strait of Georgia. Because of limited and localized distributions of age-1 lingcod over trawlable bottom in the study area, bottom trawl surveys may be less suited to estimate recruitment"--Abstract, page iii.

Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.951549&sl=1

Renseignements sur la publication
Ministère/Organisme
  • Canada. Department of Fisheries and Oceans, issuing body.
  • Pacific Biological Station (1972- ), issuing body.
TitreA preliminary study of variability in year-class abundance of post-larval and juvenile lingcod in the Strait of Georgia during 1980-82 / by A.J. Cass and J.R. Scarsbrook.
Titre de la série
  • Canadian manuscript report of fisheries and aquatic sciences, 0706-6473 ; no. 1755
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 7-8).
  • Includes abstracts in English and French.
Information sur la publication
  • Nanaimo, British Columbia : Department of Fisheries and Oceans, Fisheries Research Branch, Pacific Biological Station, April 1984.
  • ©1984
Auteur / Contributeur
  • Cass, A. J., author.
Description1 online resource (iv, 27 pages) : illustrations, maps.
Numéro de catalogue
  • Fs97-4/1755E-PDF
Descripteurs
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