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Registros recuperados: 3
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Connecting paths between juvenile and adult habitats in the Atlantic green turtle using genetics and satellite tracking ArchiMer
Chambault, Philippine; De Thoisy, Benoît; Huguin, Maïlis; Martin, Jordan; Bonola, Marc; Etienne, Denis; Gresser, Julie; Hiélard, Gaëlle; Mailles, Julien; Védie, Fabien; Barnerias, Cyrille; Sutter, Emmanuel; Guillemot, Blandine; Dumont‐dayot, Émilie; Régis, Sidney; Lecerf, Nicolas; Lefebvre, Fabien; Frouin, Cédric; Aubert, Nathalie; Guimera, Christelle; Bordes, Robinson; Thieulle, Laurent; Duru, Matthieu; Bouaziz, Myriam; Pinson, Adrien; Flora, Frédéric; Queneherve, Patrick; Woignier, Thierry; Allenou, Jean-pierre; Cimiterra, Nicolas; Benhalilou, Abdelwahab; Murgale, Céline; Maillet, Thomas; Rangon, Luc; Chanteux, Noémie; Chanteur, Bénédicte; Béranger, Christelle; Le Maho, Yvon; Petit, Odile; Chevallier, Damien.
Although it is commonly assumed that female sea turtles always return to the beach they hatched, the pathways they use during the years preceding their first reproduction and their natal origins are most often unknown, as it is the case for juvenile green turtles found in Martinique waters in the Caribbean. Given the oceanic circulation of the Guiana current flowing toward Martinique and the presence of important nesting sites for this species in Suriname and French Guiana, we may assume that a large proportion of the juvenile green turtles found in Martinique are originating from the Suriname–French Guiana beaches. To confirm this hypothesis, we performed mixed stock analysis (MSA) on 40 green turtles sampled in Martinique Island and satellite tracked 31...
Tipo: Text Palavras-chave: Chelonia mydas; Developmental habitats; Immature green turtle; Migration routes; Mixed stock analysis.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00589/70079/68059.pdf
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Green turtle (Chelonia mydas) genetic diversity at Paranaguá Estuarine Complex feeding grounds in Brazil Genet. Mol. Biol.
Jordão,Juliana Costa; Bondioli,Ana Cristina Vigliar; Guebert,Flavia Maria; Thoisy,Benoit de; Toledo,Lurdes Foresti de Almeida.
Sea turtles are marine reptiles that undertake long migrations through their life, with limited information regarding juvenile stages. Feeding grounds (FGs), where they spend most of their lives, are composed by individuals from different natal origins, known as mixed stock populations. The aim of this study was to assess genetic composition, natal origins and demographic history of juvenile green turtles (Chelonia mydas) at the Paranaguá Estuarine Complex (PEC), Brazil, considered a Natural World Heritage site. Tissue samples of stranded animals were collected (n = 60), and 700 bp mitochondrial DNA sequences were generated and compared to shorter sequences from previously published studies. Global exact tests of differentiation revealed significant...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Chelonia mydas; MtDNA; Feeding grounds; Mixed stock analysis; Connectivity.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572015000300346
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Seascape Genetics and the Spatial Ecology of Juvenile Green Turtles ArchiMer
Jensen, Michael P.; Dalleau, Mayeul; Gaspar, Philippe; Lalire, Maxime; Jean, Claire; Ciccione, Stéphane; Mortimer, Jeanne A.; Quillard, Mireille; Taquet, Coralie; Wamukota, Andrew; Leroux, Géraud; Bourjea, Jerome.
Understanding how ocean currents impact the distribution and connectivity of marine species, provides vital information for the effective conservation management of migratory marine animals. Here, we used a combination of molecular genetics and ocean drift simulations to investigate the spatial ecology of juvenile green turtle (Chelonia mydas) developmental habitats, and assess the role of ocean currents in driving the dispersal of green turtle hatchlings. We analyzed mitochondrial (mt)DNA sequenced from 358 juvenile green turtles, and from eight developmental areas located throughout the Southwest Indian Ocean (SWIO). A mixed stock analysis (MSA) was applied to estimate the level of connectivity between developmental sites and published genetic data from...
Tipo: Text Palavras-chave: Chelonia mydas; Green turtle; Juvenile; MtDNA; Drifting simulation; Connectivity; Mixed stock analysis; Southwest Indian Ocean.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00612/72443/71398.pdf
Registros recuperados: 3
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