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Tracking Sea Turtles by Satellite: Innovations for Their Conservation in French Polynesia
Since 2007, the association Te mana o te moana has been committed to an ambitious and innovative project: the satellite tracking of sea turtles in French Polynesia. By using cutting-edge technology, this program provides valuable insights into the migratory behavior of these iconic species, helping to ensure their protection.
Tags to Better Understand the Oceanic Routes of Turtles
In partnership with the Environment Directorate of French Polynesia (DIREN), approximately 40 satellite tags have already been deployed on several species of sea turtles, notably green turtles (Chelonia mydas) and hawksbill turtles (Eretmochelys imbricata).
These transmitters, carefully attached to the turtles’ shells, allow to:
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Track their movements in the Pacific Ocean, especially during migration periods,
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Measure environmental data such as water temperature,
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Collect valuable information for scientific research and conservation efforts.
Tracking Conducted from Several Islands and Atolls
Te mana o te moana has contributed to the tagging of turtles at various sites across Polynesia, with a renewed momentum recently given to this program thanks to the support of Aquarium La Rochelle, DIREN, and The Brando.
Juvenile Turtles Tagged on the Tetiaroa Atoll
At the same time, 10 resident juvenile green turtles of the Tetiaroa Atoll have been fitted with acoustic tags. This system allows tracking their distribution within the lagoon and studying:
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Their behavior,
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Their movements on a small scale,
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Their use of the marine habitat.
Promising Results Under Analysis
The initial results of the program are very encouraging. The recorded tracks reveal sometimes unexpected routes and highlight how far sea turtles travel across the Pacific.
Ongoing analyses will soon provide a clearer understanding of their migratory behavior, site fidelity, and the threats they may encounter at sea.
Technology Serving Nature
The use of technology, combined with field expertise, represents a major advancement for marine conservation. With these tools, Te mana o te moana strengthens its mission: to protect sea turtles and raise awareness among future generations about their preservation.
