00000nam 2200000zi 4500 9.927455 CaOODSP 20230918160052 m o d f cr bn |||||||| 230918e197902 nsc obt f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn--- Fs97-4/1489E-PDF Caddy, J. F., author. Some considerations underlying definitions of catchability and fishing effort in shellfish fisheries, and their relevance for stock assessment purposes / by J.F. Caddy. Halifax, N.S. : Resource Branch, Dept. of Fisheries & Oceans, February 1979. ©1979 1 online resource (vi, 18 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Department of Fisheries and Oceans manuscript report ; no. 1489 Digitized edition from print [produced by Fisheries and Oceans Canada]. Includes bibliographical references (pages 13-18). Includes abstracts in English and French. Shellfish fisheries Fishing effort. Fisheries Catch effort. Fish stock assessment. Crustacés Pêche commerciale Effort de pêche. Pêches Mortalité par pêche. Ressources halieutiques Évaluation. Technical reports lcgft Rapports techniques rvmgf Canada. Fisheries and Marine Service, issuing body. Manuscript report (Canada. Fisheries and Marine Service) no. 1489. (CaOODSP)9.924185 PDF 2.55 MB https://publications.gc.ca/collections/collection_2023/mpo-dfo/fs97-4/Fs97-4-1489-eng.pdf