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043 |an-cn-bc|apn-----
045 |ax5x8
0861 |aFs97-4/2028E-PDF|zFs97-4/2028E
1001 |aHaist, V., |eauthor.
24510|aStock assessments for British Columbia herring in 1988 and forecasts of the potential catch in 1989 / |cby V. Haist and J.F. Schweigert.
264 1|aNanaimo, British Columbia : |bDepartment of Fisheries and Oceans, Biological Sciences Branch, Pacific Biological Station, |cJuly 1989.
264 4|c©1989
300 |a1 online resource (ix, 48 pages) : |bmaps.
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. 2028
500 |aDigitized edition from print [produced by Department of Fisheries and Oceans].
504 |aIncludes bibliographical references (pages 28-29).
5203 |a"Herring stock abundance in British Columbia waters was assessed for 1988 and forecasts were made for 1989 using two analytical methods: (1) escapement model; and (2) age-structured model. Diving spawn survey data was utilized in the escapement model wherever available. Forecasts of pre-fishery biomass are obtained by weighting the estimates from the two models. The forecasts are for 101,600 tonnes to the northern and 104,500 tonnes to the southern stock assessment regions. These estimates represent significant increases from 1988 levels, reflecting average to good recruitments to all areas during the last spawning run. The recommended 1989 catch (20% of the 1989 forecast herring run) for the entire B.C. coast is 41,200 tonnes. All areas should be available to the fishery in 1989"--Abstract, page iv.
546 |aIncludes abstracts in English and French.
650 0|aPacific herring|zBritish Columbia|zPacific Coast.
650 0|aPacific herring fisheries|zBritish Columbia|zPacific Coast.
650 0|aFish stock assessment|zBritish Columbia|zPacific Coast.
650 0|aPacific herring fisheries|zBritish Columbia|zPacific Coast|xForecasting.
650 6|aHareng du Pacifique|zColombie-Britannique|zPacifique, Côte du.
650 6|aHareng du Pacifique|xPêche commerciale|zColombie-Britannique|zPacifique, Côte du.
650 6|aRessources halieutiques|xÉvaluation|zColombie-Britannique|zPacifique, Côte du.
650 6|aHareng du Pacifique|xPêche commerciale|zColombie-Britannique|zPacifique, Côte du|xPrévision.
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. 2028.|w(CaOODSP)9.505211
85640|qPDF|s1.48 MB|uhttps://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-2028-eng.pdf