00000nam 2200000zi 4500 9.956809 CaOODSP 20251029080617 m o d f cr mn||||||||| 251028e198907##bccab ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn-bc pn----- x8x8 Fs97-4/2027E-PDF Fs97-4/2027E Shaw, W., author. Biological and species interaction survey of Pacific hake, sablefish, spiny dogfish and Pacific herring off the southwest coast of Vancouver Island, August 1987 / by W. Shaw, R. Tanasichuk, D.M. Ware, and G.A. McFarlane. Nanaimo, British Columbia : Department of Fisheries and Oceans, Biological Sciences Branch, Pacific Biological Station, July 1989. ©1989 1 online resource (vi, 149 pages) : illustrations, maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Canadian manuscript report of fisheries and aquatic sciences, 0706-6473 ; no. 2027 Digitized edition from print [produced by Department of Fisheries and Oceans]. Includes bibliographical references (pages 12-13). "The La Pérouse Project is a multi-species, multidisciplinary study designed to evaluate the influence oi variations in physical and biological oceanographic factors on fish populations utilizing the lower west coast of Vancouver Island. From a fisheries oceanography perspective, the influence of oceanographic variations on groundfish species, in particular Pacific hake (Merluccius productus), and Pacific herring (Clupea harenqus pallasi), recruitment is of particular interest. Every August since the Project's inception in 1985, a fisheries survey has been conducted to determine the distribution, abundance and trophic interactions of the dominant fish species in the La Pérouse Bank area. These surveys have provided information on the impact of hake and other predators, such as sablefish (Anoplopoma fimbria) and spiny dogfish (Squalus acanthias), on Pacific herring. In addition, physical (temperature, salinity, density at depth) and biological (zooplankton sampling) oceanographic data were collected. The main objectives of the 1987 survey were (1) to sample major concentrations of hake, dogfish, sablefish and herring off the southwest coast of Vancouver Island, map their distribution, and determine their diets; (2) to delineate the northern limit of hake distribution off Vancouver Island, and (3) to collect physical oceanographic data from the survey area. This report presents the biological and oceanographic data collected during the survey"--Introduction, page [1]. Includes abstracts in English and French. Pacific hake British Columbia Pacific Coast. Pacific herring British Columbia Pacific Coast. Spiny dogfish British Columbia Pacific Coast. Sablefish British Columbia Pacific Coast. Fish surveys British Columbia Pacific Coast. Oceanography British Columbia Pacific Coast. Merlu du Pacifique Colombie-Britannique Pacifique, Côte du. Hareng du Pacifique Colombie-Britannique Pacifique, Côte du. Aiguillat commun Colombie-Britannique Pacifique, Côte du. Morue charbonnière Colombie-Britannique Pacifique, Côte du. Inventaires ichtyologiques Colombie-Britannique Pacifique, Côte du. Océanographie Colombie-Britannique Pacifique, Côte du. Canada. Department of Fisheries and Oceans, issuing body. Pacific Biological Station (1972- ), issuing body. Canadian manuscript report of fisheries and aquatic sciences ; no. 2027. (CaOODSP)9.505211 PDF 2.36 MB https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-2027-eng.pdf