00000nam 2200000zi 4500 9.881910 CaOODSP 20221107170147 m o d f cr |n||||||||| 191113s1985 nkcbd #ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-ns Fs70-8/85-43E-PDF Perley, Peter‏, author. A review of the status of the 4VWX halibut stocks / by P. Perley and J. D. Neilson. St. Andrews, New Brunswick : Marine Fish Division, Fisheries Research Branch, Department of Fisheries and Oceans, Biological Station, [1985] 1 online resource (23 pages) : maps, charts. text txt rdacontent computer c rdamedia online resource cr rdacarrier CAFSAC research document ; 85/43 "Not to be cited without permission of the authors." Includes bibliographical references (pages 7-8). "Recent landings and the market value of Atlantic halibut have increased considerably, prompting this first assessment of halibut separate from, the rest of the 4VWX flatfish. Due to an absence of commercial fishery samples, it is not yet feasible to undertake a detailed stock assessment. Indices of abundance from the commercial fishery indicate a declining trend in catch per-unit effort since 1981. Given that the effort expended has increased recently and with the increased hooking efficiency of the new circle hookgear, the decline in the commercial CPUE is worrisome. Indices of abundance from annual research vessel surveys conducted in summer indicate an increasing population, however"--Abstract. Includes abstract in French. Halibut gccst Fisheries Canada. Department of Fisheries and Oceans. Biological Station (St. Andrews, N.B.) Canadian Atlantic Fisheries Scientific Advisory Committee. CAFSAC research document (Canadian Atlantic Fisheries Scientific Advisory Committee) 85/43 (CaOODSP)9.869616 PDF 1.11 MB https://publications.gc.ca/collections/collection_2019/mpo-dfo/Fs70-8-85-43-eng.pdf