2015
DOI: 10.1590/s1415-475738320140353
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Abstract: 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 sit… Show more

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Cited by 8 publications
(59 citation statements)
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References 35 publications
(59 reference statements)
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“…The multidirectional migrations performed by these 10 individuals, reinforced therefore the need for an international cooperative network to ensure the conservation of future breeders in this endangered species. Our result is also in accordance with the genetically mixed stock of green turtles inhabiting common developmental habitats but originating from diverse natal beaches dispersed across the Caribbean (Bass & Witzell, ; Jordao et al, ; Luke et al, ). Using the same genetic analyses as those already carried out for loggerhead (Engstrom, Meylan, & Meylan, ), hawksbill (Meylan, ), and green turtles (Bass et al, ; Luke et al, ), we will be able to find the natal origins of these juvenile turtles and confirm whether they are heading for adult habitats or rather exploring new developmental habitat until they migrate toward adult habitats.…”
Section: Discussionsupporting
confidence: 90%
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“…The multidirectional migrations performed by these 10 individuals, reinforced therefore the need for an international cooperative network to ensure the conservation of future breeders in this endangered species. Our result is also in accordance with the genetically mixed stock of green turtles inhabiting common developmental habitats but originating from diverse natal beaches dispersed across the Caribbean (Bass & Witzell, ; Jordao et al, ; Luke et al, ). Using the same genetic analyses as those already carried out for loggerhead (Engstrom, Meylan, & Meylan, ), hawksbill (Meylan, ), and green turtles (Bass et al, ; Luke et al, ), we will be able to find the natal origins of these juvenile turtles and confirm whether they are heading for adult habitats or rather exploring new developmental habitat until they migrate toward adult habitats.…”
Section: Discussionsupporting
confidence: 90%
“…Fifty percent of the tracked turtles (#149692, #149693, #164547, #164548, and #45811) headed south‐eastward, and reached the same Brazilian foraging grounds used by both adult green turtles coming from French Guiana (Baudouin et al, ; Chambault et al, ) and juvenile green turtles (Godley, Almeida, et al, ; Godley, Lima, et al, ; Lima, Lagueux, Castro, & Marcovaldi, ; Lum, Lima, & Santos, ). These results confirm the significant contribution of the Suriname–French Guianan and the southern Brazilian nesting sites to genetic diversity found in the Brazilian feeding grounds (Jordao et al, ). For turtles originating from the Suriname‐French Guiana nesting beaches, there will be a need for an active swimming behavior toward specific destinations when comparing the tracks of these five turtles with the oceanic circulation.…”
Section: Discussionsupporting
confidence: 88%
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“…As they develop and reach sexual maturity, green turtles migrate to their breeding grounds (Plotkin, ). Genetic analysis revealed that the feeding areas of C. mydas in Brazil are composed of mixed stock individuals, mainly from Ascension Island and Aves Island, Suriname, Guinea Bissau, and Trindade Island (Bondioli, ; Jordão, Bondioli, Guebert, Thoisy, & Toledo, ; Naro‐Maciel et al, ; Proietti et al, ). The main nesting areas of this species in Brazil are located on isolated oceanic islands (Almeida, Santos, et al, ), and thus there are few recorded occurrences of adults along the continental Brazilian coast.…”
Section: Discussionmentioning
confidence: 99%