Openly accessible

Long-term thermal conditions on the nesting beaches of green turtles on Ascension Island

Hays, Graeme C., Godley, Brendon J. and Broderick, Annette C. 1999, Long-term thermal conditions on the nesting beaches of green turtles on Ascension Island, Marine ecology progress series, vol. 185, pp. 297-299.

Attached Files
Name Description MIMEType Size Downloads
SYMPLECTIC-LICENCE Symplectic Licence text/plain 0
hays-longterm-1999.pdf Published version application/pdf 239.35KB 7

Title Long-term thermal conditions on the nesting beaches of green turtles on Ascension Island
Author(s) Hays, Graeme C.
Godley, Brendon J.
Broderick, Annette C.
Journal name Marine ecology progress series
Volume number 185
Start page 297
End page 299
Total pages 3
Publisher Inter-Research
Place of publication Oldendorf, Germany
Publication date 1999-08-20
ISSN 0171-8630
1616-1599
Keyword(s) sea turtle
Chelonia mydas
incubation temperature
temperature-dependent sex determination
Ascension Island
Summary On 2 of the major nesting beaches used by green turtles Chelonia mydas on Ascension Island, we measured the sand temperature at nest depths throughout the year. For both beaches, the sand temperature was strongly correlated (r2 >= 0.94) with air temperature. We therefore used past records of air temperature to reconstruct sand temperatures on the different beaches throughout the nesting season between 1985 and 1998. This analysis showed that inter-annual differences in sand temperature were small and, while there were consistent thermal changes during the nesting season, over the 14 yr there was little overlap in the temperatures on the 2 beaches, with one being 2.6°C warmer, on average, than the other. This work suggests that inter-beach thermal variation is the major mechanism by which a range of incubation temperatures are realised on Ascension Island and hence is likely to facilitate the production of hatchlings of both sexes.
Language eng
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 ©1999, Inter-Research
Persistent URL http://hdl.handle.net/10536/DRO/DU:30058266

Document type: Journal Article
Collections: School of Life and Environmental Sciences
Open Access Collection
Connect to link resolver
 
Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved.

Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.

Versions
Version Filter Type
Citation counts: Scopus Citation Count Cited 26 times in Scopus
Google Scholar Search Google Scholar
Access Statistics: 15 Abstract Views, 7 File Downloads  -  Detailed Statistics
Created: Mon, 25 Nov 2013, 13:37:53 EST

Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.