IFREMER/Kélonia satellite tracked late juvenile loggerhead sea turtles from Réunion Island 2008-2012

Description :

 Original provider:
IFREMER and Kélonia

Dataset credits:
Institut Français pour L'Exploitation de la Mer (IFREMER) and Kélonia

Abstract:
A satellite tracking study was conducted on juvenile loggerhead sea turtles in the Indian Ocean. Eighteen individuals were fitted with transponders and tracked from Réunion Island (21.2°S, 55.3°E) in order to investigate movements and diving patterns. Nine turtles swam north towards Oman (20.5°N, 58.8°E), where one of the world’s largest rookeries of loggerheads is located. Three individuals travelled south towards South-Africa and Madagascar, countries that also host loggerhead nesting grounds. Fourteen of the transmitters relayed diving profiles. A dichotomy between diurnal and nocturnal diving behavior was observed. A greater number of shorter dives occurred during the day. Diving behavior also differed according to movement behavior as individuals spent more time in subsurface waters (<10 m) during transit phases. The study provides an improved understanding of the oceanic movements and diving behavior of juvenile loggerheads. The results address a significant gap in the understanding of loggerhead oceanic movements and may help with the conservation of the species.

Purpose:
The purpose was to study the movement and diving behavior of late juvenile loggerheads in the western Indian Ocean.

Link GBIF portal : https://www.gbif.org/dataset/66cc4704-24c5-469b-8490-f726141c996d

Project :
Title : IFREMER/Kélonia satellite tracked late juvenile loggerhead sea turtles from Réunion Island 2008-2012
Abstract : 
Funding : NA
Contact : Bourjea Jérôme (OWNER) 

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Publication dates :

First diffusion : 14/03/2023 

Last update : 14/03/2023