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Principal prey species and periodicity of their incidence in stomachs of trawl-caught Pacific cod (Gadus macrocephalus), rock sole (Lepidopsetta bilineata), and petrale sole (Eopsetta jordani) landed in... : Fs97-4/1681E-PDF

"Prey incidence was compiled from port liaison officers' notes recorded while collecting length-frequency samples of Pacific cod (Gadus macrocephalus), rock sole (Lepidopsetta bilineata), and petrale sole (Eopsetta jordani in trawl landings originating from three major offshore regions of British Columbia during 1950-80. Principal prey species were sandlance (Ammod tes hexapterus), herring (Clupea harengus pallasi), "shrimp" (assorted Crustacea) and sablefish (Anoplopoma fimbria), the latter only in Pacific cod Stomachs. Sandlance was an important prey species for all three predator species and in all three offshore regions. Incidence periodicity was demonstrated for sandlance (X̄ = 4.2y); herring off the west coast of Vancouver Island (X̄ = 3.9y); and sablefish in Hecate Strait (7-9 y)"--Abstract, page iii.

Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.950453&sl=1

Renseignements sur la publication
Ministère/Organisme
  • Canada. Department of Fisheries and Oceans, issuing body.
  • Pacific Biological Station (1972- ), issuing body.
TitrePrincipal prey species and periodicity of their incidence in stomachs of trawl-caught Pacific cod (Gadus macrocephalus), rock sole (Lepidopsetta bilineata), and petrale sole (Eopsetta jordani) landed in British Columbia, 1950-80 / by S.J. Westrheim and W.R. Harling.
Titre de la série
  • Canadian manuscript report of fisheries and aquatic sciences, 0706-6473 ; no. 1681
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 (page 7).
  • Includes abstracts in English and French.
Information sur la publication
  • Nanaimo, British Columbia : Department of Fisheries and Oceans, Resource Services Branch, Pacific Biological Station, February 1983.
  • ©1983
Auteur / Contributeur
  • Westrheim, S. J., author.
Description1 online resource (iv, 38 pages) : illustrations, maps.
Numéro de catalogue
  • Fs97-4/1681E-PDF
Descripteurs
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