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040 |aCaOODSP|beng|erda|cCaOODSP
0410 |aeng|beng|bfre
043 |an-cn-bc|apn-----
045 |ax8x8
0861 |aFs97-4/1840E-PDF|zFs97-4/1840E
1001 |aStanley, Richard David, |d1950- |eauthor.
24512|aA study of bottom-trawl discards in Queen Charlotte Sound and Hecate Strait, 1981 and 1982 / |cby R.D. Stanley.
264 1|aNanaimo, British Columbia : |bDepartment of Fisheries and Oceans, Fisheries Research Branch, Pacific Biological Station, |cAugust 1985.
264 4|c©1985
300 |a1 online resource (vi, 67 pages) : |billustrations.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aCanadian manuscript report of fisheries and aquatic sciences, |y0706-6473 ; |vno. 1840
500 |aDigitized edition from print [produced by Department of Fisheries and Oceans].
504 |aIncludes bibliographical references (pages 8-9).
5203 |a"The B.C. domestic trawl fishery does not retain all sizes and species of fish which are captured during routine commercial fishing. The fish which are not retained for sale are discarded at sea, often in a stressed, injured or moribund state. The discarded portion is composed of species for which there is a limited or no market, species which are prohibited from retention by trawlers, and non-marketable juveniles. The amount of discards relative to landings can vary greatly over time and space, and among fisheries for different target species. However, observations from Queen Charlotte Sound and Hecate Strait in 1981 and 1982 indicated that, averaged across trawl fisheries, approximately 40% of the catch was discarded at sea. The quantities of individual species were shown to be large enough to warrant serious consideration by stock assessment biologists"--Abstract, page iii.
546 |aIncludes abstracts in English and French.
650 0|aFishery discards|zBritish Columbia|zQueen Charlotte Sound.
650 0|aFishery discards|zBritish Columbia|zHecate Strait.
650 0|aTrawls and trawling|zBritish Columbia|zQueen Charlotte Sound.
650 0|aTrawls and trawling|zBritish Columbia|zHecate Strait.
650 0|aDredging (Fisheries)|zBritish Columbia|zQueen Charlotte Sound.
650 0|aDredging (Fisheries)|zBritish Columbia|zHecate Strait.
650 6|aRejets en mer (Pêches)|zColombie-Britannique|zReine-Charlotte, Bassin de la.
650 6|aRejets en mer (Pêches)|zColombie-Britannique|zHécate, Détroit d'.
650 6|aChalutage|zColombie-Britannique|zReine-Charlotte, Bassin de la.
650 6|aChalutage|zColombie-Britannique|zHécate, Détroit d'.
650 6|aDragage (Pêches)|zColombie-Britannique|zReine-Charlotte, Bassin de la.
650 6|aDragage (Pêches)|zColombie-Britannique|zHécate, Détroit d'.
7101 |aCanada. |bDepartment of Fisheries and Oceans, |eissuing body.
7102 |aPacific Biological Station (1972- ), |eissuing body.
830#0|aCanadian manuscript report of fisheries and aquatic sciences ;|vno. 1840.|w(CaOODSP)9.505211
85640|qPDF|s800 KB|uhttps://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-1840-eng.pdf