00000nam 2200000za 4500 9.804974 CaOODSP 20221107135534 cr ||||||||||| 150406s1999 oncdb ob f000 0 eng d CaOODSP eng eng fre n-cn--- Fs70-1/1999-45E-PDF Bolon, A. D. Temporal trends in condition, gonado somatic index and maturity stages of Atlantic cod (Gadus morhua) from northern Placentia Bay (Subdivision 3Ps), Newfoundland, during 1998 [electronic resource] / by A.D. Bolon and D.C. Schneider. Ottawa : Fisheries and Oceans Canada, 1999. 23 p. : fig., graphs, maps, tables. Canadian Stock Assessment Secretariat research document, 1480-4883 ; 99/45 Includes bibliographical references (p. 6-7). Reports of Atlantic cod (Gadus morhua) in spawning condition in Placetia Bay, Newfoundland, are not new. However, most of this data is not based on seasonal sampling, consequently, the duration and timeing of spawning can not be determined from such data. In the Newfoundland region, cod maturities are based on visual examinations of the gonads. As the cod are batch spawners, their accurate classification into maturity categories is visually difficult and could be improved by the use of histological analysis on gonads. The first objective of this study is to determine whether the classification of fish in spawning stage could be improved through hitological procedure. The second objective is to describe the seasonal trends in maturity, condition, and gonado-somatic index of cod sampled in northern Placentia Bay during 1998. gccst Fisheries resources gccst Salt water fish gccst Fishing area gccst Fisheries management Schneider, David C. Canada. Department of Fisheries and Oceans. Canada. Canadian Stock Assessment Secretariat. Canadian Stock Assessment Secretariat research document, 1480-4883 ; 99/45 (CaOODSP)9.507740 PDF 876 KB https://publications.gc.ca/collections/collection_2015/mpo-dfo/Fs70-1-1999-45-eng.pdf