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045 |ax8x8
0861 |aFs97-4/1755E-PDF|zFs97-4/1755E
1001 |aCass, A. J., |eauthor.
24512|aA preliminary study of variability in year-class abundance of post-larval and juvenile lingcod in the Strait of Georgia during 1980-82 / |cby A.J. Cass and J.R. Scarsbrook.
264 1|aNanaimo, British Columbia : |bDepartment of Fisheries and Oceans, Fisheries Research Branch, Pacific Biological Station, |cApril 1984.
264 4|c©1984
300 |a1 online resource (iv, 27 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. 1755
500 |aDigitized edition from print [produced by Department of Fisheries and Oceans].
504 |aIncludes bibliographical references (pages 7-8).
5203 |a"Purse seine and bottom trawl surveys were conducted in the Strait of Georgia to estimate the relative strengths of the 1980 and 1981 year-classes of post-larval and age-1 lingcod in the Strait of Georgia. Densities of post-larvae compared favorably with a strong 1975 year-class. As a result, strong 1980 and 1981 year-classes are predicted at recruitment to the fishable stock. Purse seine surveys appear to provide a useful means to examine factors controlling recruitment and to evaluate the impact of stock rebuilding strategies in the Strait of Georgia. Because of limited and localized distributions of age-1 lingcod over trawlable bottom in the study area, bottom trawl surveys may be less suited to estimate recruitment"--Abstract, page iii.
546 |aIncludes abstracts in English and French.
650 0|aLingcod|xInfancy|zGeorgia, Strait of (B.C. and Wash.)
650 0|aFish populations|xEstimates|zGeorgia, Strait of (B.C. and Wash.)
650 0|aRecruitment (Population biology)|zGeorgia, Strait of (B.C. and Wash.)
650 0|aFish surveys|zGeorgia, Strait of (B.C. and Wash.)
650 6|aJeune ophiodon elongatus|zGéorgie, Détroit de (C.-B. et Wash.)
650 6|aPoissons|xPopulations|xEstimation|zGéorgie, Détroit de (C.-B. et Wash.)
650 6|aRecrutement (Biologie des populations)|zGéorgie, Détroit de (C.-B. et Wash.)
650 6|aInventaires ichtyologiques|zGéorgie, Détroit de (C.-B. et Wash.)
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. 1755.|w(CaOODSP)9.505211
85640|qPDF|s767 KB|uhttps://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-1755-eng.pdf