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045 |ax8x8
0861 |aFs97-4/1760E-PDF|zFs97-4/1760E
1001 |aHay, D. E., |eauthor.
24510|aDistribution of a herring fishery relative to submerged vegetation, herring spawn distribution and oceanographic factors / |cby D.E. Hay, C.D. Levings, and M.J. Hamey.
264 1|aNanaimo, British Columbia : |bDepartment of Fisheries and Oceans, Fisheries Research Branch, Pacific Biological Station, |cMay 1984.
264 4|c©1984
300 |a1 online resource (iv, 53 pages) : |billustrations, maps.
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. 1760
500 |aDigitized edition from print [produced by Department of Fisheries and Oceans].
504 |aIncludes bibliographical references (pages 8-9).
5203 |a"The distribution of herring gillnets was recorded by aerial photography of a commercial herring fishery during March 4-6, 1981 in Lambert Channel. The gear and vessel distribution was plotted over previously determined distributions of submerged vegetation and the 1981 spawn distribution. Most spawning occurred after the fishery closure. Most vessels and gillnets were not positioned over vegetation that was eventually used for spawn deposition. SCUBA diver surveys found no evidence of physical damage to the vegetation. Dead fish, killed but not captured by the fishery, were not substantial and did not cause any detectable deleterious effect on water quality. No evidence was found to substantiate concerns that the roe fishery was causing a qualitative degradation or "souring" of herring spawning grounds"--Abstract, page iii.
546 |aIncludes abstracts in English and French.
650 0|aPacific herring fisheries|zBritish Columbia|zPacific Coast.
650 0|aGillnetting|zBritish Columbia|zPacific Coast.
650 0|aPacific herring|xEggs|zBritish Columbia|zPacific Coast.
650 0|aMarine plants|zBritish Columbia|zPacific Coast.
650 0|aWater quality|zBritish Columbia|zPacific Coast.
650 6|aHareng du Pacifique|xPêche commerciale|zColombie-Britannique|zPacifique, Côte du.
650 6|aPêche au filet maillant|zColombie-Britannique|zPacifique, Côte du.
650 6|aHareng du Pacifique|xŒufs|zColombie-Britannique|zPacifique, Côte du.
650 6|aFlore marine|zColombie-Britannique|zPacifique, Côte du.
650 6|aEau|xQualité|zColombie-Britannique|zPacifique, Côte du.
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. 1760.|w(CaOODSP)9.505211
85640|qPDF|s2.33 MB|uhttps://publications.gc.ca/collections/collection_2026/mpo-dfo/fs97-4/Fs97-4-1760-eng.pdf