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Endangered Species Research

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ESR 36:229-267 (2018)  -  DOI:

Mediterranean sea turtles: current knowledge and priorities for conservation and research

Paolo Casale1,*, Annette C. Broderick2, Juan Antonio Camiñas3,4, Luis Cardona5, Carlos Carreras6, Andreas Demetropoulos7, Wayne J. Fuller8, Brendan J. Godley2, Sandra Hochscheid9, Yakup Kaska10, Bojan Lazar11,12, Dimitris Margaritoulis13, Aliki Panagopoulou13,14, ALan F. Rees2,13, Jesús Tomás15, Oguz Türkozan16

1Department of Biology, University of Pisa, Via A. Volta 6, 56126 Pisa, Italy Addresses for other authors are given in the Supplement at
*Corresponding author:

ABSTRACT: The available information regarding the 2 sea turtle species breeding in the Mediterranean (loggerhead turtle Caretta caretta and green turtle Chelonia mydas) is reviewed, including biometrics and morphology, identification of breeding and foraging areas, ecology and behaviour, abundance and trends, population structure and dynamics, anthropogenic threats and conservation measures. Although a large body of knowledge has been generated, research efforts have been inconsistently allocated across geographic areas, species and topics. Significant gaps still exist, ranging from the most fundamental aspects, such as the distribution of major nesting sites and the total number of clutches laid annually in the region, to more specific topics like age at maturity, survival rates and behavioural ecology, especially for certain areas (e.g. south-eastern Mediterranean). These gaps are particularly marked for the green turtle. The recent positive trends of nest counts at some nesting sites may be the result of the cessation of past exploitation and decades of conservation measures on land, both in the form of national regulations and of continued active protection of clutches. Therefore, the current status should be considered as dependent on such ongoing conservation efforts. Mitigation of incidental catch in fisheries, the main anthropogenic threat at sea, is still in its infancy. From the analysis of the present status a comprehensive list of research and conservation priorities is proposed.

KEY WORDS: Caretta caretta · Chelonia mydas · Nesting areas · Foraging grounds · Population abundance and trends · Population structure · Behavioural ecology · Biometrics

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Cite this article as: Casale P, Broderick AC, Camiñas JA, Cardona L and others (2018) Mediterranean sea turtles: current knowledge and priorities for conservation and research. Endang Species Res 36:229-267.

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