Oceana scientists took tissue samples and attached an identification chip to each turtle. After the samples were taken, a satellite transmitter was affixed to the shell of each turtle which would enable their migratory habits, behaviour and other relevant data to be recorded with the aim of proposing management plans for their protection. Every time a turtle comes up to the surface to breathe, the satellite tag emits a signal that is transmitted to Oceana's headquarters, where all the data is stored ready for study.

The measures adopted in the next few years to protect sea turtles could be vital for the survival of this species. In the last six years, the number of reproductive female loggerhead turtles (Caretta caretta) that have returned to the laying beaches of Florida (United States) has dropped to less than half. Ans it is these American populations that represent almost 40% of the world sea turtle population.

The tags affixed will continue to provide information for approximately one year.

These maps show the different routes, tagging points and last position of every turtle.

To get a larger version of each picture, click on the smaller one.

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