The effects of substrate temperature on the reproductive success of Caretta caretta on a volcanic beach in the Mediterranean Sea

• Autorzy: Vecchioni Luca , Citarrella Andrea , Cambera Irene , Di Gangi Antonella , D’Emanuele Dario , Ventura Lucia , Principato Elena , Visconti Giulia , Torri Marco , Faraone Francesco P. , Arculeo Marco

Identyfikatory

DOI

10.24425/jwld.2024.149131

• Języki publikacji: EN

Abstrakty

EN

A five-year of monitoring (2018-2022) of the loggerhead sea turtle Caretta caretta nests in “Pozzolana di Ponente” beach on Linosa Island (Pelagie Archipelago, Italy) is here reported. To explore how temperatures affect the hatching success and the possible occurrence of any malformation in hatchlings, incubation temperature values were recorded using data loggers positioned at depths of 5 and 35 cm (for each nest) from the surface, approximately 0.5 m from the nest chamber. The obtained results highlighted important issues related to the success of hatching and the incidence of body anomalies. The temperatures recorded at different depths near the nests (5 and 35 cm) in some periods of incubation of the eggs were above optimal development temperature (i.e., ~33°C), causing high mortality rates, especially during the first two years of the survey (2018-2019). In the next three years (2020-2022), the implementation of shading cover cloths of the nests increased the survival rate and decreased the incidence of malformed individuals. Furthermore, atmospheric temperature data were extrapolated from the “Copernicus Climate Change” web service and included in our analyses to assess any changes over the timeframe analysed. Over five years (2018-2022), the average atmospheric temperature increased slightly by 1.7°C. In light of global warming, the implementation of effective and low-cost mitigation activities, such as the use of shade cloth covers to protect the nests from overheating, should be considered a suitable conservation action.

Słowa kluczowe

EN

conservation strategy; hatching success; loggerhead sea turtle; shade cloth cover; Sicily

• Wydawca: Wydawnictwo ITP
• Czasopismo: Journal of Water and Land Development
• Rocznik: 2024
• Tom: no. 61
• Strony: 30--38
• Opis fizyczny: Bibliogr. 47 poz., rys., tab., wykr.

Twórcy

autor

Vecchioni Luca

• University of Palermo, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), Via Archirafi, 18, 90123, Palermo, Italy

• https://orcid.org/0000-0003-4325-9728

autor

Citarrella Andrea

• University of Palermo, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), Via Archirafi, 18, 90123, Palermo, Italy

• https://orcid.org/0009-0009-5363-7295

autor

Cambera Irene

• Area Marina Protetta (AMP) Isole Pelagie, Via Cameroni, 92010, Lampedusa, Italy

• https://orcid.org/0000-0002-6157-0010

autor

Di Gangi Antonella

• Area Marina Protetta (AMP) Isole Pelagie, Via Cameroni, 92010, Lampedusa, Italy

• https://orcid.org/0000-0003-4507-4620

autor

D’Emanuele Dario

• Area Marina Protetta (AMP) Isole Pelagie, Via Cameroni, 92010, Lampedusa, Italy

• https://orcid.org/0009-0004-5142-3991

autor

Ventura Lucia

• Area Marina Protetta (AMP) Isole Pelagie, Via Cameroni, 92010, Lampedusa, Italy

• https://orcid.org/0009-0004-3290-3973

autor

Principato Elena

• Area Marina Protetta (AMP) Isole Pelagie, Via Cameroni, 92010, Lampedusa, Italy

• https://orcid.org/0000-0003-1242-7573

autor

Visconti Giulia

• University of Palermo, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), Via Archirafi, 18, 90123, Palermo, Italy
• Area Marina Protetta (AMP) Capo Milazzo, Via Francesco Crispi, 1, 98057, Milazzo, Italy

• https://orcid.org/0009-0001-4441-2731

autor

Torri Marco

• National Research Council of Italy, Institute for Studies on the Mediterranean (ISMed-CNR), Via Filippo Parlatore, 65, 90145, Palermo, Italy

• https://orcid.org/0000-0003-1470-7990

autor

Faraone Francesco P.

• University of Palermo, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), Via Archirafi, 18, 90123, Palermo, Italy

• https://orcid.org/0009-0005-0747-0552

autor

Arculeo Marco

• University of Palermo, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), Via Archirafi, 18, 90123, Palermo, Italy

• https://orcid.org/0000-0001-8911-6736

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