Source: New Scientist
Due to their small size, scientists have never been able to track baby green turtles after they hatch—tags are simply too heavy and would sink them. But by using a combination of tactics, researchers recently mapped out where green turtles travel.
Researchers from Oregon State University and the City University of New York used models of ocean circulation to approximate where newly hatched green turtles would be carried after departing their beach of origin. Alongside this, they also compared the genetic make-up of young turtles at these beaches to fully grown turtles at foraging grounds. By combining data from both of these approaches, they were then able to create a map of young green turtles’ migration route.
They discovered that green turtles largely follow two migration patterns: one that carries them to the north Atlantic, Caribbean, and the Gulf of Mexico and another that carries them into the south Atlantic and Indian Ocean.
Read more here.
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