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First records of dive durations for a hibernating sea turtle

Hochscheid, Sandra, Bentivegna, Flegra and Hays, Graeme C. 2005, First records of dive durations for a hibernating sea turtle, Biology letters, vol. 1, no. 1, pp. 82-86, doi: 10.1098/rsbl.2004.0250.

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Title First records of dive durations for a hibernating sea turtle
Author(s) Hochscheid, Sandra
Bentivegna, Flegra
Hays, Graeme C.ORCID iD for Hays, Graeme C. orcid.org/0000-0002-3314-8189
Journal name Biology letters
Volume number 1
Issue number 1
Start page 82
End page 86
Total pages 5
Publisher Royal Society Publishing
Place of publication London, England
Publication date 2005-03-22
ISSN 1744-9561
1744-957X
Keyword(s) hibernation
reptile
dive duration
aerobic dive limit
temperature effect
Summary The first published record, from the early 1970s, of hibernation in sea turtles is based on the reports of the indigenous Indians and fishermen from Mexico, who hunted dormant green turtles (Chelonia mydas) in the Gulf of California. However, there were no successful attempts to investigate the biology of this particular behaviour further. Hence, data such as the exact duration and energetic requirements of dormant winter submergences are lacking. We used new satellite relay data loggers to obtain the first records of up to 7 h long dives of a loggerhead turtle (Caretta caretta) overwintering in Greek waters. These represent the longest dives ever reported for a diving marine vertebrate. There is strong evidence that the dives were aerobic, because the turtle surfaced only for short intervals and before the calculated oxygen stores were depleted. This evidence suggests that the common belief that sea turtles hibernate underwater, as some freshwater turtles do, is incorrect.
Language eng
DOI 10.1098/rsbl.2004.0250
Field of Research 069999 Biological Sciences not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2005, Royal Society Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30058387

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