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Microhabitat selection by sea turtles in a dynamic thermal marine environment

Schofield, Gail, Bishop, Charles M., Katselidis, Kostas A., Dimopoulos, Panayotis, Pantis, John D. and Hays, Graeme C. 2009, Microhabitat selection by sea turtles in a dynamic thermal marine environment, Journal of animal ecology, vol. 78, no. 1, pp. 14-21, doi: 10.1111/j.1365-2656.2008.01454.x.

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Title Microhabitat selection by sea turtles in a dynamic thermal marine environment
Author(s) Schofield, Gail
Bishop, Charles M.
Katselidis, Kostas A.
Dimopoulos, Panayotis
Pantis, John D.
Hays, Graeme C.ORCID iD for Hays, Graeme C. orcid.org/0000-0002-3314-8189
Journal name Journal of animal ecology
Volume number 78
Issue number 1
Start page 14
End page 21
Total pages 8
Publisher Wiley
Place of publication London, England
Publication date 2009-01
ISSN 0021-8790
1365-2656
Keyword(s) climate change
distribution
ectotherm
micro-habitat
remote technology
Summary 1Reproductive fitness is often compromised at the margins of a species’ range due to sub-optimal conditions.2Set against this backdrop, the Mediterranean's largest loggerhead sea turtle (Caretta caretta) rookery at Zakynthos (Greece) presents a conundrum, being at a very high latitude for this species, yet hosting a high concentration of nesting.3We used visual surveys combined with global positioning system (GPS) tracking to show that at the start of the breeding season, individuals showed microhabitat selection, with females residing in transient patches of warm water. As the sea warmed in the summer, this selection was no longer evident.4As loggerhead turtles are ectothermic, this early season warm-water selection presumably speeds up egg maturation rates before oviposition, thereby allowing more clutches to be incubated when sand conditions are optimal during the summer.5Active selection of warm waters may allow turtles to initiate nesting at an earlier date.
Language eng
DOI 10.1111/j.1365-2656.2008.01454.x
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 ©2009, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30058333

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