00000nam 2200000zi 4500 9.876809 CaOODSP 20221107164815 m o d f cr |n||||||||| 190717s1980 nfcab #ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-nf Fs70-8/80-75E-PDF Moores, J. A. (John A.), 1951- author. An evaluation of the current status of the St. Mary's-Placentia Bay herring stock / by J.A. Moores and G.H. Winters. St. John's, Newfoundland : Research and Resource Services, Department of Fisheries and Oceans, [1980] 1 online resource (22 pages) : map, illustration. text txt rdacontent computer c rdamedia online resource cr rdacarrier CAFSAC research document ; 80/75 "Not to be cited without permission of authors." Includes bibliographical references (page 9). "Three sources of catch rate data were examined: (1) ring net landing slips, (2) ring net log records, and (3) gillnet landing slips. These data were used to calculate total mortality rates within the stock ... Cohort analysis was performed at these and the average mortality levels and in all cases indicated a decline in the stock with the spawning biomass declining to < 16% of peak levels"--Abstract. Includes abstract in French. gccst Fisheries gccst Surveys Winters, G. H., author. Canada. Department of Fisheries and Oceans. Newfoundland Region. Research and Resource Services Directorate‏. CAFSAC research document (Canadian Atlantic Fisheries Scientific Advisory Committee) 80/75 (CaOODSP)9.869616 PDF 976 KB https://publications.gc.ca/collections/collection_2019/mpo-dfo/Fs70-8-80-75-eng.pdf