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Dalongeville, Alicia; Andrello, Marco; Mouillot, David; Lobreaux, Stephane; Fortin, Marie-josee; Lasram, Frida; Belmaker, Jonathan; Rocklin, Delphine; Manel, Stephanie. |
Genetic variation, as a basis of evolutionary change, allows species to adapt and persist in different climates and environments. Yet, a comprehensive assessment of the drivers of genetic variation at different spatial scales is still missing in marine ecosystems. Here, we investigated the influence of environment, geographic isolation, and larval dispersal on the variation in allele frequencies, using an extensive spatial sampling (47 locations) of the striped red mullet (Mullus surmuletus) in the Mediterranean Sea. Univariate multiple regressions were used to test the influence of environment (salinity and temperature), geographic isolation, and larval dispersal on single nucleotide polymorphism (SNP) allele frequencies. We used Moran's eigenvector maps... |
Tipo: Text |
Palavras-chave: Connectivity; Ecological genetics; Marine fish; Mediterranean Sea; Mullus surmuletus; Seascape genetics; Single nucleotide polymorphism. |
Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00454/56556/75079.pdf |
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Jabeur, Ch.; Missaoui, H.; Gharbi, H.; El Abed, A.. |
L’étude de la croissance du rouget de roche Mullus surmuletus dans le golfe de Gabès, basée sur la lecture de 478 otolithes d’individus provenant essentiellement de la pêche côtière et partiellement du chalutage benthique , a permis d’estimer les paramètres de croissance de cette espèce selon le modèle de Von Bertalanffy. La clé âge-longueur a été établie et les courbes de croissance en longueur et pondérale ont été tracées séparément pour les mâles, les femelles et sexes confondus. Sans différenciation de sexe, la longueur asymptotique est estimée à 223 mm, le coefficient K à 0.344 an -1 et l’âge théorique T0 à –0.79. Les relations Longueur-Poids ont été également établies séparément pour les mâles et les femelles. Dans la gamme des tailles étudiées, la... |
Tipo: Journal Contribution |
Palavras-chave: Otolith reading; Growth; Age determination; Mullet fisheries; Mullus surmuletus; Http://aims.fao.org/aos/agrovoc/c_43348. |
Ano: 2000 |
URL: http://hdl.handle.net/1834/4295 |
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Mahe, Kelig; Destombe, A.; Coppin, Franck; Koubbi, P.; Vaz, Sandrine; Le Roy, Didier; Carpentier, Audrey. |
General introduction: The red mullet is among the fish that are the most popular and that have been known of for the longest amount of time. The Greeks and the Romans have left us in their literature famous pages in which they praise the quality and beautiful colours of their gurnards and their mulles. Also, the skin of this fish has been very popular since earliest antiquity: It is said that for the Romans, a beautiful fish was worth more than the man who had caught it! Moreover, at feasts, a red mullet was displayed in a vase to amuse the guests with the changes of colour (Bloch, 1793). The red rock mullet (Mullus surmuletus) is a benthic fish, which means it lives near the sea bottom. It is geographically present in the Atlantic Ocean from the coasts... |
Tipo: Text |
Palavras-chave: Sig; North sea; English channel; Population dynamic data; Habitat; Spatial repartition; Biology; Mullus surmuletus. |
Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/rapport-2351.pdf |
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