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040 |aCaOODSP|beng|erda|cCaOODSP
0410 |aeng|beng|bfre
043 |an-cn-bc|apn-----
045 |ax8x8
0861 |aFs97-4/1637E-PDF|zFs97-4/1637
1001 |aStanley, Richard David, |d1950- |eauthor.
24512|aA study of trawl mesh selectivity for English sole and rock sole in Hecate Strait, August 1-5, 1980 / |cby R.D. Stanley and D. Davenport.
264 1|aNanaimo, British Columbia : |bDepartment of Fisheries and Oceans, Resource Services Branch, Pacific Biological Station, |cFebruary 1982.
264 4|c©1982
300 |a1 online resource (vii, 48 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. 1637
500 |aDigitized edition from print [produced by Department of Fisheries and Oceans].
504 |aIncludes bibliographical references (page 9).
5203 |a"The selectivity of trawl mesh for English and rock sole was examined, using three different codend (108-, 133-, and 152-mm) and four different intermediate (108-, 111-, 130-, and 146-mm) mesh sizes, internal measure. The small number of tows and various sampling difficulties precluded quantifying the selectivity ogives, but the 152-mm (6-in) codend retained fewer undersized rock and English sole. A similar mesh size in the intermediate seemed to increase escapement of juvenile English sole although this effect was not observed for rock sole. Catch per tow was too variable and the sample size was too small to determine accurately how larger meshes would affect commercial catches"--Abstract, page iii.
546 |aIncludes abstracts in English and French.
650 0|aFlatfish fisheries|zBritish Columbia|zHecate Strait|xEquipment and supplies.
650 0|aFisheries|xGear selectivity|zBritish Columbia|zHecate Strait.
650 0|aTrawls and trawling|zBritish Columbia|zHecate Strait.
650 6|aPoissons plats|xPêche commerciale|zColombie-Britannique|zHécate, Détroit d'|xAppareils et matériel.
650 6|aPêches|xSélectivité des engins de pêche|zColombie-Britannique|zHécate, Détroit d'.
650 6|aChaluts|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. 1637.|w(CaOODSP)9.505211
85640|qPDF|s1.01 MB|uhttps://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-1637-eng.pdf