Βiology Of seven species of sea turtles in the world, two nest in the Mediterranean; the green (Chelonia mydas) and the loggerhead (Caretta caretta)... Threats Threats belong to two categories: Natural threats and anthropogenic or human induced threats. Natural threats... Protection Because sea turtles migrate, it is important to have uniform international instruments, so they are protected regardless of geographical... Biodiversity Biodiversity embraces the variety of genes, species and ecosystems that constitute life on Earth...