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A model which predicts Pacific herring (Clupea harengus pallasi) egg deposition on giant kelp (Macrocystis sp.) plants from underwater observations / by C.W. Haegele and J.F. Schweigert. : Fs97-4/2056E-PDF

"Pacific herring (Clupea harengus pallasi) spawn is routinely surveyed to estimate escapement. When spawn is deposited on the giant kelp (Macrocystis sp.), SCUBA divers make observations on the number of egg layers, the height of the kelp plants, and the number of fronds per kelp plant. A multiple regression model that predicts eggs per plant from these observations was developed from data collected for 167 plants between 1981-1987. The model accounted for 78% of the total variation in the logₑ transformed eggs per plant and was a highly significant fit to the observed data (P < 0.0001). Total herring egg deposition on Macrocystis sp. is estimated using this model in conjunction with estimates of plant density and spawning bed area"--Abstract, page iii.

Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.956921&sl=1

Renseignements sur la publication
Ministère/Organisme
  • Canada. Department of Fisheries and Oceans, issuing body.
  • Pacific Biological Station (1972- ), issuing body.
TitreA model which predicts Pacific herring (Clupea harengus pallasi) egg deposition on giant kelp (Macrocystis sp.) plants from underwater observations / by C.W. Haegele and J.F. Schweigert.
Titre de la série
  • Canadian manuscript report of fisheries and aquatic sciences, 0706-6473 ; no. 2056
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 4).
  • Includes abstracts in English and French.
Information sur la publication
  • Nanaimo, British Columbia : Department of Fisheries and Oceans, Biological Sciences Branch, Pacific Biological Station, February 1990.
  • ©1990
Auteur / Contributeur
  • Haegele, C. W., author.
Description1 online resource (iii, 17 pages) : illustrations, map.
Numéro de catalogue
  • Fs97-4/2056E-PDF
Descripteurs
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