scholarly journals The conservation of loggerhead turtles in Zakynthos, Greece

Oryx ◽  
1990 ◽  
Vol 24 (1) ◽  
pp. 15-22 ◽  
Author(s):  
Lynda M. Warren ◽  
Eleni Antonopoulou
Keyword(s):  
Prime Factor ◽  
Caretta Caretta ◽  
Local Economy ◽  
Tourist Industry ◽  
Human Interference ◽  
Conservation Measures ◽  
Loggerhead Turtles ◽  
The Mediterranean

The population of loggerhead turtles Caretta caretta nesting on the island of Zakynthos, Greece, the largest known rookery in the Mediterranean, is in danger of dying out because of the effects of human interference. Tourism is a prime factor in causing problems, which include direct disturbance of nesting females, compaction of the sand and obstruction of access, photic pollution affecting the hatchlings and accidental damage to adults from speed boats. Attempts are being made to conserve the turtles, and a recent Ministerial Decision should be of help, but implementation of conservation measures is difficult to achieve. This is because the local economy is highly dependent on the tourist industry and there is an understandable reluctance to see this curtailed in any way just to protect the turtles.

Geometric morphometrics, scute patterns and biometrics of loggerhead turtles (Caretta caretta) in the central Mediterranean

2017 ◽  
Vol 38 (2) ◽  
pp. 145-156 ◽  
Author(s):  
Paolo Casale ◽  
Daniela Freggi ◽  
Alessandro Rigoli ◽  
Amedeo Ciccocioppo ◽  
Paolo Luschi
Keyword(s):  
Geometric Morphometrics ◽  
Carapace Width ◽  
Caretta Caretta ◽  
Sea Turtle ◽  
Dorsal Side ◽  
Body Parts ◽  
Shape Variation ◽  
Central Mediterranean ◽  
Loggerhead Turtles ◽  
The Mediterranean

We investigate for the first time allometric vs. non-allometric shape variation in sea turtles through a geometric morphometrics approach. Five body parts (carapace, plastron, top and lateral sides of the head, dorsal side of front flippers) were considered in a sample of 58 loggerhead turtles (Caretta caretta) collected in the waters around Lampedusa island, Italy, the central Mediterranean. The allometric component was moderate but significant, except for the plastron, and may represent an ontogenetic optimization in the case of the head and flippers. The predominant non-allometric component encourages further investigation with sex and origin as potential explanatory variables. We also reported the variation of marginal and prefrontal scutes of 1497 turtles, showing that: variation of marginals is mostly limited to the two anteriormost scutes, symmetry is favored, asymmetry is biased to one pattern, and the variation of marginal and prefrontal scutes are linked. Comparisons with other datasets from the Mediterranean show a high variability, more likely caused by epigenetic factors. Finally, conversion equations between the most commonly used biometrics (curved and straight carapace length, carapace width, and weight) are often needed in sea turtle research but are lacking for the Mediterranean and are here estimated from a sample of 2624 turtles.

Long-Term Tracking of Adult Loggerhead Turtles (Caretta caretta)in the Mediterranean Sea

2013 ◽  
Vol 47 (2) ◽  
pp. 227-231 ◽  
Author(s):  
Paolo Luschi ◽  
Resi Mencacci ◽  
Carola Vallini ◽  
Alessandro Ligas ◽  
Paolo Lambardi ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Caretta Caretta ◽  
Loggerhead Turtles ◽  
The Mediterranean

Fine-scale distribution of juvenile Atlantic and Mediterranean loggerhead turtles (Caretta caretta) in the Mediterranean Sea

2013 ◽  
Vol 161 (3) ◽  
pp. 509-519 ◽  
Author(s):  
Marcel Clusa ◽  
Carlos Carreras ◽  
Marta Pascual ◽  
Stephen J. Gaughran ◽  
Susanna Piovano ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Caretta Caretta ◽  
Fine Scale ◽  
Loggerhead Turtles ◽  
The Mediterranean

scholarly journals Mitochondrial DNA reveals Pleistocenic colonisation of the Mediterranean by loggerhead turtles (Caretta caretta)

2013 ◽  
Vol 439 ◽  
pp. 15-24 ◽  
Author(s):  
Marcel Clusa ◽  
Carlos Carreras ◽  
Marta Pascual ◽  
Andreas Demetropoulos ◽  
Dimitris Margaritoulis ◽  
...  
Keyword(s):  
Mitochondrial Dna ◽  
Caretta Caretta ◽  
Loggerhead Turtles ◽  
The Mediterranean

scholarly journals Cucullanus carettae Baylis, 1923, in a loggerhead sea turtle (Caretta caretta) from the Adriatic sea: first detection and molecular characterization

2020 ◽  
Author(s):  
L. Di Renzo ◽  
L. Di Gialleonardo ◽  
E. Marchiori ◽  
G. Di Francesco ◽  
V. Curini ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Adriatic Sea ◽  
Loggerhead Turtle ◽  
Caretta Caretta ◽  
Sea Turtle ◽  
Loggerhead Sea Turtle ◽  
Coprological Examination ◽  
Loggerhead Turtles ◽  
Bio Monitoring ◽  
The Mediterranean

Abstract Cucullanus carettae Baylis, 1923 (Nematoda: Cucullanidae) is found worldwide in loggerhead turtles (Caretta caretta). Regarding the Mediterranean, C. carettae has been identified in the Tyrrhenian and the Ionian Sea and a unique description of a Cucullanus sp. specimen in loggerheads from the Adriatic Sea has been reported in the literature so far. In the framework of a bio-monitoring project of the Abruzzo and Molise coasts, a parasitological survey was performed on stranded and by-caught sea turtles, at the Istituto Zooprofilattico of Abruzzo and Molise “G. Caporale.” During necropsy, the gastrointestinal system of 72 stranded loggerhead turtles was analyzed for the presence of endoparasites and fecal samples were collected for coprological examination. Adult C. carettae (n = 123) was found in the upper intestine of one loggerhead turtle, associated with chronic lymphoplasmocytic enteritis. Additionally, five stool samples (6.9%) were positive for Cucullanus sp. eggs. Molecular characterization of adult nematodes was carried out to study phylogenetic relationships among the Cucullanus species. To our knowledge, this is the first morphological and molecular identification of C. carettae in loggerhead turtles from the Adriatic Sea. Additional studies on the distribution of this parasite in the Mediterranean are encouraged.

Nest placement by loggerhead turtles, Caretta caretta

1993 ◽  
Vol 45 (1) ◽  
pp. 47-53 ◽  
Author(s):  
Graeme C. Hays ◽  
John R. Speakman
Keyword(s):  
Caretta Caretta ◽  
Nest Placement ◽  
Loggerhead Turtles
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