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040 |aCaOODSP|beng|erda|cCaOODSP
0410 |aeng|beng|bfre
043 |an-cn-bc|apn-----
045 |ax5x9
0861 |aFs97-4/2049E-PDF|zFs97-4/2049E|zFs97-4/2049
1001 |aHaist, V., |eauthor.
24510|aStock assessments for British Columbia herring in 1989 and forecasts of the potential catch in 1990 / |cby V. Haist and J.F. Schweigert.
264 1|aNanaimo, British Columbia : |bDepartment of Fisheries and Oceans, Biological Sciences Branch, Pacific Biological Station, |cJanuary 1990.
264 4|c©1990
300 |a1 online resource (viii, 62 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. 2049
500 |aDigitized edition from print [produced by Department of Fisheries and Oceans].
504 |aIncludes bibliographical references (pages 43-44).
5203 |a"Herring stock abundance in British Columbia waters was assessed for 1989 and forecasts were made for 1990 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 pro-fishery biomass are obtained by weighting the estimates from the two models. The forecasts are for 104,900 tonnes to the northern and 100,700 tonnes to the southern stock assessment regions. These estimates represented a slight increase (3.3%) in the northern areas and a slight decrease (3.6%) in the southern areas. The recommended 1990 catch (20% of the 1990 forecast herring run) for the % entire B.C. coast is 41,120 tonnes. All areas should be available to the fishery in 1990"--Abstract, page vii.
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. 2049.|w(CaOODSP)9.505211
85640|qPDF|s1.93 MB|uhttps://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-2049-eng.pdf