00000cam 2200000zi 4500 9.965081 CaOODSP 20260813091051 m o d f cr bn||||||||| 260812e198511##bccab obs f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn-bc pn----- x4x8 Fs97-4/1856E-PDF Fs97-4/1856E Westrheim, S. J., author. Relative fishing powers of on-bottom trawlers operating in the Canadian portions of Georgia and Juan de Fuca Straits, 1954-84 / by S.J. Westrheim and R.P. Foucher. Nanaimo, British Columbia : Department of Fisheries and Oceans, Fisheries Research Branch, Pacific Biological Station, November 1985. ©1985 1 online resource (iii, 53 pages) : illustrations, map. text txt rdacontent computer c rdamedia online resource cr rdacarrier Canadian manuscript report of fisheries and aquatic sciences, 0706-6473 ; no. 1856 Digitized edition from print [produced by Department of Fisheries and Oceans]. Includes bibliographical references (pages 9-10). "Relative fishing powers (RFPs) were calculated for the on-bottom trawlers landing groundfish for human consumption from the Canadian portions of Georgia and Juan de Fuca straits during October-March 1954-55 through 1983-84. Landing statistics for Pacific cod, the predominant species, were used for the linear regression of LPUEs (landing per unit effort), at 40% qualification level, on horsepower class (100-unit intervals), gear-class 3 (double gear + drum). RFPs for gear-class 3 (double gear + drum), were 0.64, 0.81, 1.00, 1.18, 1.35, 1.54, 1.71, 1.90, 2.07, and 2.25, respectively, for horsepower-classes 1 (100 hp) - 10 (899 hp). RFPs for gear-class 3 were 1.417 with respect to gear-class 1 (single gear), and 1.336 with respect to gear-class 2 (double gear)"--Abstract, page iii. Includes abstracts in English and French. Trawls and trawling Georgia, Strait of (B.C. and Wash.) Statistics. Trawls and trawling Juan de Fuca, Strait of (B.C. and Wash.) Statistics. Trawls and trawling Catch effort Georgia, Strait of (B.C. and Wash.) Statistics. Trawls and trawling Catch effort Juan de Fuca, Strait of (B.C. and Wash.) Statistics. Pacific cod fisheries Georgia, Strait of (B.C. and Wash.) Statistics. Pacific cod fisheries Juan de Fuca, Strait of (B.C. and Wash.) Statistics. Chalutage Géorgie, Détroit de (C.-B. et Wash.) Statistiques. Chalutage Juan de Fuca, Détroit de (C.-B. et Wash.) Statistiques. Chalutage Mortalité par pêche Géorgie, Détroit de (C.-B. et Wash.) Statistiques. Chalutage Mortalité par pêche Juan de Fuca, Détroit de (C.-B. et Wash.) Statistiques. Morue du Pacifique Pêche commerciale Géorgie, Détroit de (C.-B. et Wash.) Statistiques. Morue du Pacifique Pêche commerciale Juan de Fuca, Détroit de (C.-B. et Wash.) Statistiques. Statistics lcgft Statistiques rvmgf Canada. Department of Fisheries and Oceans, issuing body. Pacific Biological Station (1972- ), issuing body. Canadian manuscript report of fisheries and aquatic sciences ; no. 1856. (CaOODSP)9.505211 PDF 1.67 MB https://publications.gc.ca/collections/collection_2026/mpo-dfo/fs97-4/Fs97-4-1856-eng.pdf