View in EDS

Identification of stock components using morphological markers.

Saved in:
Bibliographic Details
Title: Identification of stock components using morphological markers.
Authors: McAdam, B. J.1, Grabowski, T. B.1, Marteinsdóttir, G.1
Source: Journal of Fish Biology. Oct2012, Vol. 81 Issue 5, p1447-1462. 16p.
Subjects: Genetic stock identification of fishes, Fish morphology, Atlantic cod, Biomarkers, Phenotypes, Locus (Genetics), Fins (Anatomy)
Abstract: This study investigated the development of a quantitative method for distinguishing stock components of Icelandic cod Gadus morhua based on visual examination of morphology. The stock is known to be structured into genetically distinct geographic components (north and south of Iceland) and behavioural types that spawn sympatrically. Differences in morphology were tested between locations, genotypes (a proxy for behaviour) and sexes. Results show morphological markers on the head, fins and body of G. morhua that are correlated with the sex, genotype of the fish at the pantophysin ( pan-I) locus and the location at which the fish were caught. Females were found to have relatively deep bodies, and the pan-IBB genotype (associated with deep-water feeding behaviour) have greater gaps between their fins. Overall, morphology is more useful for distinguishing sympatric genotypes but less powerful at identifying genetically distinct geographic sub-populations, perhaps because counter-gradient evolution reduces phenotypic differences even with an underlying genetic cause. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Fish Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 82051588
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Identification of stock components using morphological markers.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22McAdam%2C+B%2E+J%2E%22">McAdam, B. J.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Grabowski%2C+T%2E+B%2E%22">Grabowski, T. B.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Marteinsdóttir%2C+G%2E%22">Marteinsdóttir, G.</searchLink><relatesTo>1</relatesTo>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Journal+of+Fish+Biology%22">Journal of Fish Biology</searchLink>. Oct2012, Vol. 81 Issue 5, p1447-1462. 16p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Genetic+stock+identification+of+fishes%22">Genetic stock identification of fishes</searchLink><br /><searchLink fieldCode="DE" term="%22Fish+morphology%22">Fish morphology</searchLink><br /><searchLink fieldCode="DE" term="%22Atlantic+cod%22">Atlantic cod</searchLink><br /><searchLink fieldCode="DE" term="%22Biomarkers%22">Biomarkers</searchLink><br /><searchLink fieldCode="DE" term="%22Phenotypes%22">Phenotypes</searchLink><br /><searchLink fieldCode="DE" term="%22Locus+%28Genetics%29%22">Locus (Genetics)</searchLink><br /><searchLink fieldCode="DE" term="%22Fins+%28Anatomy%29%22">Fins (Anatomy)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study investigated the development of a quantitative method for distinguishing stock components of Icelandic cod Gadus morhua based on visual examination of morphology. The stock is known to be structured into genetically distinct geographic components (north and south of Iceland) and behavioural types that spawn sympatrically. Differences in morphology were tested between locations, genotypes (a proxy for behaviour) and sexes. Results show morphological markers on the head, fins and body of G. morhua that are correlated with the sex, genotype of the fish at the pantophysin ( pan-I) locus and the location at which the fish were caught. Females were found to have relatively deep bodies, and the pan-IBB genotype (associated with deep-water feeding behaviour) have greater gaps between their fins. Overall, morphology is more useful for distinguishing sympatric genotypes but less powerful at identifying genetically distinct geographic sub-populations, perhaps because counter-gradient evolution reduces phenotypic differences even with an underlying genetic cause. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Fish Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=82051588
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1111/j.1095-8649.2012.03384.x
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 16
        StartPage: 1447
    Subjects:
      – SubjectFull: Genetic stock identification of fishes
        Type: general
      – SubjectFull: Fish morphology
        Type: general
      – SubjectFull: Atlantic cod
        Type: general
      – SubjectFull: Biomarkers
        Type: general
      – SubjectFull: Phenotypes
        Type: general
      – SubjectFull: Locus (Genetics)
        Type: general
      – SubjectFull: Fins (Anatomy)
        Type: general
    Titles:
      – TitleFull: Identification of stock components using morphological markers.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: McAdam, B. J.
      – PersonEntity:
          Name:
            NameFull: Grabowski, T. B.
      – PersonEntity:
          Name:
            NameFull: Marteinsdóttir, G.
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 10
              Text: Oct2012
              Type: published
              Y: 2012
          Identifiers:
            – Type: issn-print
              Value: 00221112
          Numbering:
            – Type: volume
              Value: 81
            – Type: issue
              Value: 5
          Titles:
            – TitleFull: Journal of Fish Biology
              Type: main
ResultId 1