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Genetic characterisation of oyster populations along the north-eastern coast of Tunisia ArchiMer
Dridi, S.; Romdhane, M. S.; Heurtebise, Serge; El Cafsi, M.; Boudry, Pierre; Lapegue, Sylvie.
The taxonomy of oysters has been traditionally based on characteristics of the shell. More recently, the analysis of protein and DNA polymorphism has provided a means to overcome difficulties in distinguishing the different species of oysters based solely on shell morphology. In order to identify oysters of the Tunisian north-east coast, we sequenced a 16S rRNA mitochondrial fragment from 68 oysters sampled from the Bizert Lagoon and the Gulf of Hammamet in northern Tunisia. Comparison of oyster 16S rRNA sequences available in GenBank showed the presence of both Ostreola stentina and Crassostrea gigas in our samples, which could not be detected on the basis of shell morphology only. These data confirmed that C. gigas, a non-native species, is now...
Tipo: Text Palavras-chave: 16S rRNA; Crassostrea gigas; Genetics; Mediterranean Sea; Ostreola stentina; Polymorphism.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00000/11063/7820.pdf
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Etude morphométrique du mollusque gastéropode "Patella caerulea Linnaeus" , 1758 des côtes nord de la Tunisie OceanDocs
Belkhodja, H.; Romdhane, M. S..
La patelle, Patella caerulea Linnaeus, 1758, est un mollusque gastéropode très fréquent sur toutes les côtes rocheuses tunisiennes. Elle expose des traits écologiques et comportementaux complexes qui varient d’un milieu à un autre. Dans cette étude, nous nous proposerons d’analyser la diversité morphométrique de P. caerulea peuplant trois sites rocheux des côtes nord de la Tunisie (Canal de Bizerte, La Goulette et Sidi Rais). Le test t de Student, le test "t" : de pente (tpe) et de position (tpo) ont été utilisés pour la comparaison des pentes et des positions des droites de régressions entre les 3 populations étudiées. A l’échelle globale, les résultats des trois relations allométriques (longueur-hauteur, longueur-largeur et largeur-hauteur), mises en...
Tipo: Journal Contribution Palavras-chave: Molluscs; Biometrics; Molluscs.
Ano: 2012 URL: http://hdl.handle.net/1834/5297
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Enclave coralligène de l'infralittoral de Korbous (nord de la Tunisie) : Aire minimale qualitative du phytobenthos et inventaire scépifique OceanDocs
Romdhane, N.; Ben Mustapha, K.; Romdhane, M. S.; El Abed, A..
دراسة التنوع البيولوجي للكائنات البحرية القاعية للشعب المرجانية « coralligène »للطابق « infralittoral » لقربص سمحت لنا للتعرف على ادنى مساحة نوعية لمثل هذه الدراسات التي تقام لاول مرة في تونس وتخص هذه الشعب.
Tipo: Journal Contribution Palavras-chave: Benthos; Comparative studies; Coral; Phytobenthos; Stock identification; Benthos; Phytobenthos; Http://aims.fao.org/aos/agrovoc/c_878; Http://aims.fao.org/aos/agrovoc/c_13337.
Ano: 2007 URL: http://hdl.handle.net/1834/4284
Registros recuperados: 3
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