Survival and dispersal routes of head-started loggerhead sea turtle (Caretta caretta) post-hatchlings in the Mediterranean Sea

Abalo-Morla, Sara; Marco, Adolfo; Tòmàs, Jesús; Revuelta, Ohiana; Abella, Elena; Marco, V.; Crespo-Picazo, José Luís; Fernández, Carolina; Valdés, Fernanda; Arroyo, María del Carmen Garrido; Montero, Susana; Vázquez, Cristina; Eymar, Juan; Esteban, José A.; Pelegrí, Josep Lluís; Belda, Eduardo J.

doi:10.1007/s00227-018-3306-2

Cited by 17 publications

(11 citation statements)

References 97 publications

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“…Four adult females were tagged after a nesting event (or nesting attempt) in the Mediterranean Spanish coast, avoiding in all cases disturbance prior the nesting event take place. Two two-year-aged early juveniles were collected from another nest laid in the Mediterranean Spanish coast [3] ; however due to their age and size were classified as early juveniles. The remaining nineteen juveniles and two adult turtles proceeded from fisheries bycatch or entanglements and were tagged and released immediately after capture, or after full recovery in rescue centers, if needed, to minimize the possibility to be compromised ( Table 1 ).…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

“…Depending on life-stage considered and tag availability a different type of satellite tag was attached to each loggerhead turtle carapace, as detailed in the metadata file. All platform transmitter terminals (PPT-tags) were attached using the method described in [3] . All SPOT and SPLASH tags were attached to turtles’ carapace using epoxy resin.…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

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Satellite-tracking dataset of loggerhead sea turtles tracked from western Mediterranean

Abalo-Morla

Belda²,

Tòmàs³

et al. 2022

Data in Brief

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Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Satellite-tracking dataset of loggerhead sea turtles tracked from western Mediterranean

Abalo-Morla

Belda²,

Tòmàs³

et al. 2022

Data in Brief

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“…Otro aspecto de análisis reciente es el poco uso que hacen los juveniles de tortuga boba de las áreas marinas protegidas (AMPs) del Mediterráneo occidental (Abalo-Morla et al 2018). De las tortugas seguidas con emisores satelitales (93 en el periodo 2003-2018), el 14% de las localizaciones diarias están en AMPs, y un 23% de las tortugas nunca transitaron por un AMP.…”

Section: Tortuga Boba (Caretta Caretta)unclassified

Conservation status of sea turtles in Spain (review of the period 2013-2018)

Camiñas¹,

Báez²,

Ayllón³

et al. 2021

An. biol.

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El presente documento revisa la situación y aporta nuevos datos para las tortugas marinas en España durante el periodo 2013-2018. Se revisa el estado de conservación para el periodo 2013-2018 en cada una de las demarcaciones marítimas españolas: Levante –Baleares y Estrecho-Alborán para el Mediterráneo, y Noratlántica, Sudatlántica y Macaronesia en aguas del océano Atlántico. Se incluyen análisis de tendencias, las presiones y amenazas que afectan a cada especie y bibliografía actualizada. Para Caretta caretta, se recopila la información de los nidos en las costas mediterráneas españolas desde 2013 hasta 2018 y los movimientos de juveniles nacidos en España, tras su liberación. This document reviews the situation and provides new data for sea turtles in Spain during the period 2013-2018. The conservation status for such period is reviewed in each of the Spanish maritime demarcations: Levante -Baleares and Estrecho-Alborán for the Mediterranean, and Noratlántica, Sudatlántica and Macaronesia in waters of the Atlantic Ocean. Analysis of trends, pressures and threats that affect each species and updated bibliography are included. For Caretta caretta, information is collected on nests on the Spanish Mediterranean coasts from 2013 to 2018 and the movements of juveniles born in Spain, after their release.

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“…In accordance, during the last decades, satellite telemetry data allowed assessing movement patterns and habitat use of adult and juvenile loggerhead sea turtles in the Mediterranean Sea (Bentivegna 2002 Saito et al 2018). However, this life stage has been largely neglected in the Mediterranean Sea (see Abalo-Morla et al 2018. The few available studies in this region shed some light on posthatchlings' survival and dispersal, although they were carried out for short time spans and a limited number of individuals (Abalo-Morla et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Factors driving dispersal and habitat use of loggerhead sea turtle post-hatchlings and its conservational implications

Abalo-Morla

Muñoz

Tòmàs

et al. 2023

Preprint

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Loggerhead sea turtle (Caretta caretta) nesting events are increasing in the western Mediterranean Sea, far from their usual nesting areas in the Mediterranean and Atlantic basins. The study of dispersal behaviour towards potential developmental areas of loggerhead post-hatchlings from this new nesting area is crucial to comprehend this colonization process and determining grounded conservation strategies. To fill this gap, was investigated, for the first time in the Mediterranean Sea, the dispersal strategies and habitat use based on data from 19 head-started loggerhead post-hatchlings released from the Spanish Mediterranean coast and satellite-tracked between 2016-2018. Turtles dispersed over large areas and showed active swimming phases, as they frequently dispersed against sea currents. Dispersal routes varied for each individual, although they consistently dispersed south-eastwards, especially during the coldest periods. Several post-hatchlings travelled through the Sicilian Channel to reach deep and warmer areas in the eastern Mediterranean basin. The most year-round suitable areas corresponded to the Ionian and Levant Seas. Therefore, conservation measures focused on this stage should be taken at least in these developmental areas.

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Survival and dispersal routes of head-started loggerhead sea turtle (Caretta caretta) post-hatchlings in the Mediterranean Sea

Abstract: Survival and dispersal routes of head-started loggerhead sea turtle (Caretta caretta) post-hatchlings in the Mediterranean Sea. Marine Biology. 165(3).

Cited by 17 publications

References 97 publications

Satellite-tracking dataset of loggerhead sea turtles tracked from western Mediterranean

Satellite-tracking dataset of loggerhead sea turtles tracked from western Mediterranean

Conservation status of sea turtles in Spain (review of the period 2013-2018)

Factors driving dispersal and habitat use of loggerhead sea turtle post-hatchlings and its conservational implications

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