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Author : William G. Clark
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 ( download)
Download or read book Estimation of Halibut Body Size from Otolith Size written by William G. Clark and published by . This book was released on 1992 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William G. Clark
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (831 download)
Download or read book Estimation of Halibut Body Size from Otholit Size written by William G. Clark and published by . This book was released on 1992 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Pacific Halibut Commission
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.F/5 ( download)
Download or read book Scientific Report written by International Pacific Halibut Commission and published by . This book was released on 1971 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Terrance J. Quinn
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (318 download)
Download or read book Methods of Population Assessment of Pacific Halibut written by Terrance J. Quinn and published by . This book was released on 1985 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 946 pages
Book Rating : 4.3/5 (129 download)
Download or read book Fisheries Review written by and published by . This book was released on 1993 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Pacific Halibut Commission (United States and Canada).
Publisher :
ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.E/5 ( download)
Download or read book Scientific Report - International Pacific Halibut Commission written by International Pacific Halibut Commission (United States and Canada). and published by . This book was released on 1983 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joan E. Forsberg
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (9 download)
Download or read book Estimating Sex of Pacific Halibut (Hippoglossus Stenolepis) Using Fourier Shape Analysis of Otoliths written by Joan E. Forsberg and published by . This book was released on 1993 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: [No. 29] At present, the sex ratio of the commercial halibut catch cannot be obtained easily, since the gonads are removed at sea. Halibut otoliths, which are collected by the International Pacific Halibut Commission (IPHC) for age determination, appear to have sex-related shape differences. A technique for sexing otoliths based on such shape differences would be a costefficient way to make this information available. In an attempt to quantify and analyze the apparent shape differences, Fourier shape descriptors are obtained from digitized otolith images. The descriptors, with and without otolith weight, are used to classify otoliths by sex. The data are divided into training and test sets of various sizes for classification analysis. Successful classification rates range between 71.4% and 73.6% for the test sets when otolith weight is included in the analysis. When the descriptors alone are used, successful classification rates are 63.9% to 65.3% for the test sets. Training set success rates are higher for males, a finding indicating somewhat higher variation in otolith shape among females. Given the results achieved in this study, otolith shape does not appear to be a reliable indicator of sex in Pacific halibut.
Author :
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (318 download)
Download or read book Technical Report written by and published by . This book was released on 2000 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. Morris Southward
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (177 download)
Download or read book Otolith Length and Fish Length of Pacific Halibut written by G. Morris Southward and published by . This book was released on 1973 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Pacific Halibut Commission
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (91 download)
Download or read book Annual Report - International Pacific Halibut Commission written by International Pacific Halibut Commission and published by . This book was released on 2007 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (321 download)
Download or read book NOAA Technical Report NMFS. written by and published by . This book was released on 1983 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.3/5 (91 download)
Download or read book Technical Report - International Pacific Halibut Commission written by and published by . This book was released on 1995 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Southwest Fisheries Center (U.S.)
Publisher :
ISBN 13 :
Total Pages : 784 pages
Book Rating : 4.:/5 (318 download)
Download or read book Collected Reprints written by Southwest Fisheries Center (U.S.) and published by . This book was released on 1985 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Pacific Halibut Commission
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.F/5 ( download)
Download or read book Scientific Report written by International Pacific Halibut Commission and published by . This book was released on 2006 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (3 download)
Download or read book Fishery Bulletin written by and published by . This book was released on 1996 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lorenz Hauser
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (318 download)
Download or read book Microsatellite Screening in Pacific Halibut (Hippoglossus Stenolepis) and a Preliminary Examination of Population Structure Based on Observed DNA Variation written by Lorenz Hauser and published by . This book was released on 2006 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Details the initial steps of a study examining the population structure of the eastern Pacific halibut stock. Methods discussed include optimization of a suite of dionucleotide microsatellites and application of those markers in a preliminary analysis of gene frequencies from three sites representing the edges of the geographic range of the stock.
Author : Heather L. Gilroy
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 ( download)
Download or read book Changes in Commercial Catch Sampling and Age Determination Procedures for Pacific Halibut, 1982 to 1993 written by Heather L. Gilroy and published by . This book was released on 1995 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Pacific Halibut Commission has sampled the commercial catch since the 1930s. Documentation for the years 1982 to 1993 of port coverage, logbook data collected, sampling methods, otolith sample size, the processing of otoliths in the lab, and otolith-related studies are presented in this report. Sampling ports were added as the pattern of landings shifted. Logbook data forms changed to reflect the use of more than one gear type per vessel and the use of non-halibut gear. Also initiated was the collection of information on gear lost or abandoned during the ever shortening openings. Length/age sampling within a port was changed from representing a port proportionally, to representing a vessel's hailed weight proportionally. This change was made in response to the shorter, higher volume unloading periods and was accomplished by changing from systematic sampling of slings (cargo nets) of fish to unbiased random sampling of fish. The total otolith sample size was reduced and sample sizes were set for each management area. Double blind aging was discontinued. Otolith studies relating to glycerin absorption, age validation using oxytetracycline, automated aging, and the use of otoliths to determine sex were undertaken.
