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Morphometric comparison of the cephalic region of cultured Acipenser baerii (Brandt, 1869), Acipenser naccarii (Bonaparte, 1836) and their hybrid

Identifieur interne : 000460 ( Istex/Corpus ); précédent : 000459; suivant : 000461

Morphometric comparison of the cephalic region of cultured Acipenser baerii (Brandt, 1869), Acipenser naccarii (Bonaparte, 1836) and their hybrid

Auteurs : C. Costa ; E. Tibaldi ; L. Pasqualetto ; A. Loy

Source :

RBID : ISTEX:31C014210B3C910D66AD0145910D7DA5B838759C

Abstract

Geometric morphometric techniques were used in the characterization of morphological differences of the cranial region in cultured Acipenser baerii and A. naccarii and their hybrid. Species identification in sturgeons sometimes is difficult, because of the morphological plasticity of individual variability and the small differences between taxa. Identification is also complicated by human intervention and manipulation (e.g. aquaculture, hybridization, pollution). This study indicates how the differences between two species and their hybrids can be quantified and accurately visualized via geometric morphometrics. This technique may serve as a useful methodology to supplement analytical studies on morphometrics and systematics in Acipenseridae.

Url:
DOI: 10.1111/j.1439-0426.2006.00647.x

Links to Exploration step

ISTEX:31C014210B3C910D66AD0145910D7DA5B838759C

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<abstract lang="en">Geometric morphometric techniques were used in the characterization of morphological differences of the cranial region in cultured Acipenser baerii and A. naccarii and their hybrid. Species identification in sturgeons sometimes is difficult, because of the morphological plasticity of individual variability and the small differences between taxa. Identification is also complicated by human intervention and manipulation (e.g. aquaculture, hybridization, pollution). This study indicates how the differences between two species and their hybrids can be quantified and accurately visualized via geometric morphometrics. This technique may serve as a useful methodology to supplement analytical studies on morphometrics and systematics in Acipenseridae.</abstract>
<note type="content">*Referees expressed doubts on the validity of the data set for the hybrids, however, the authors feel strongly that the statistics employed justify inclusion of this group in the results; the Editor cautions the readership to consider this part of the paper with prudence. Inclusion of the hybrid data set is for comparative purposes only and warrants future verification.</note>
<relatedItem type="host">
<titleInfo>
<title>Journal of Applied Ichthyology</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">0175-8659</identifier>
<identifier type="eISSN">1439-0426</identifier>
<identifier type="DOI">10.1111/(ISSN)1439-0426</identifier>
<identifier type="PublisherID">JAI</identifier>
<part>
<date>2006</date>
<detail type="volume">
<caption>vol.</caption>
<number>22</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>1</number>
</detail>
<extent unit="pages">
<start>8</start>
<end>14</end>
<total>7</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">31C014210B3C910D66AD0145910D7DA5B838759C</identifier>
<identifier type="DOI">10.1111/j.1439-0426.2006.00647.x</identifier>
<identifier type="ArticleID">JAI647</identifier>
<recordInfo>
<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Verlag GmbH</recordOrigin>
</recordInfo>
</mods>
</metadata>
<serie></serie>
</istex>
</record>

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   |texte=   Morphometric comparison of the cephalic region of cultured Acipenser baerii (Brandt, 1869), Acipenser naccarii (Bonaparte, 1836) and their hybrid
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