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040 |aCaOODSP|beng|erda|cCaOODSP
0410 |aeng|beng|bfre
043 |an-cn-bc|apn-----
045 |ax7x7
0861 |aFs97-4/1516E-PDF|zFs97-4/1516
1001 |aLeaman, B. M., |d1949- |eauthor.
24512|aA pilot tagging study of Pacific cod in the Strait of Georgia, January 17-February 2, 1978 / |cby B.M. Leaman, D.A. Nagtegaal, and J.E. Smith.
264 1|aNanaimo, British Columbia : |bDepartment of Fisheries and the Environment, Fisheries and Marine Service, Resource Services Branch, Pacific Biological Station, |cMarch 1979.
264 4|c©1979
300 |a1 online resource (iii, 57 pages) : |billustration, maps.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aFisheries and Marine Service manuscript report, |y0701-7618 ; |vno. 1516
500 |aDigitized edition from print [produced by Department of Fisheries and Oceans].
504 |aIncludes bibliographical references (page 7).
5203 |a"A pilot study was conducted to develop techniques for the tagging of juvenile Pacific cod, prior to a major project on the west coast of Vancouver Island. The study concentrated on techniques for handling, holding and tagging pre-recruit, juvenile fish. Several viable operations were developed to decrease mortalities of tagged fish; swim bladder deflation and holding in recovery tanks for a minimum of one hour prior to release were major factors in increasing survival. Efforts were also directed toward estimating initial, traumatic tagging mortality in order to derive more accurate figures for the number of viable, tagged fish at large. Experiments indicated that such mortality was approximately 20% of tagged fish. Nineteen percent of total released fish were recovered to December 31, 1978. Double tagging of 10% of the fish indicated no significant shedding of the standard anchor tag. Differential recovery percentages of fish, by condition at release, infers that even among fish judged suitable for release, minor injuries may lead to errors in analysis of recoveries"--Abstract, page iii.
546 |aIncludes abstracts in English and French.
650 0|aPacific cod|xMarking|zGeorgia, Strait of (B.C. and Wash.)
650 6|aMorue du Pacifique|xMarquage|zGéorgie, Détroit de (C.-B. et Wash.)
7101 |aCanada. |bFisheries and Marine Service, |eissuing body.
7102 |aPacific Biological Station (1972- ), |eissuing body.
830#0|aManuscript report (Canada. Fisheries and Marine Service)|vno. 1516.|w(CaOODSP)9.924185
85640|qPDF|s1.07 MB|uhttps://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-1516-eng.pdf