A blend of modern data and archaeological findings underscores the timeless importance of safeguarding North African seagrass meadows.
For approximately 3,000 years, generations of green sea turtles have returned to the same seagrass meadows to eat, discovers a recent study published inThe multi-generational nature of sea turtle migrations, as solidified by modern and archaeological data findings, emphasizes the value of preserving North African coastal seagrass meadows for their habitat.When young green sea turtles hatch, they venture into the ocean while their parents embark on a long migration.
The migration routes of green sea turtles between their nesting grounds and the seagrass meadows where they eat .She then determined the sea turtles' diet by examining bone collagen. Using a mass spectrometer, De Kock analyzed the bone collagen to identify the specific plants the sea turtles consumed.
"Because carbon does not change when it is digested, we can detect what ratio of carbon is present in the bones and infer the diet from that."data, De Kock obtained valuable insights into the current migration patterns and destinations of sea turtles. Additionally, researchers from the University of Exeter collected small samples of sea turtle skin, which revealed dietary information similar to the findings from the bone analysis.
Her research unveiled a fascinating discovery: for approximately 3,000 years, successive generations of green sea turtles have been feeding on seagrass meadows along the coasts of Egypt and West Libya. However, the dietary patterns of loggerhead turtles were less precise due to their more varied diet.
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