Asynchronous emergence by loggerhead turtle (Caretta caretta) hatchlings

Houghton, J.D.R. and Hays, G.C. 2001, Asynchronous emergence by loggerhead turtle (Caretta caretta) hatchlings, Naturwissenschaften, vol. 88, no. 3, pp. 133-136, doi: 10.1007/s001140100212.

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Title Asynchronous emergence by loggerhead turtle (Caretta caretta) hatchlings
Author(s) Houghton, J.D.R.
Hays, G.C.ORCID iD for Hays, G.C.
Journal name Naturwissenschaften
Volume number 88
Issue number 3
Start page 133
End page 136
Total pages 4
Publisher Springer
Place of publication Berlin, Germany
Publication date 2001-03
ISSN 0028-1042
Summary For many decades it has been accepted that marine turtle hatchlings from the same nest generally emerge from the sand together. However, for loggerhead turtles (Caretta caretta) nesting on the Greek Island of Kefalonia, a more asynchronous pattern of emergence has been documented. By placing temperature loggers at the top and bottom of nests laid on Kefalonia during 1998, we examined whether this asynchronous emergence was related to the thermal conditions within nests. Pronounced thermal variation existed not only between, but also within, individual nests. These within-nest temperature differences were related to the patterns of hatchling emergence, with hatchlings from nests displaying large thermal ranges emerging over a longer time-scale than those characterised by more uniform temperatures.
Language eng
DOI 10.1007/s001140100212
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 ©2001, Springer
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