Preliminary Feasibility Study for using DNA Mapping for determining Migration Patterns of Green Turtles Nesting in the
Sandspit/Hawksbay Beaches
Objective of the Study
The objective of the study is to determine the preliminary technical and institutional feasibility for using DNA mapping for determining migration patterns of green turtles nesting in the Sandspit/Hawksbay beaches and evolve baseline strategies for initiating this process.
The study would assess global trends and practices in using DNA mapping/analysis for promoting turtle conservation. Some case studies would be identified that explore the various possibilities offered by this technique for investigating turtle behavior, in particular, the migration patterns.
A review would then be made of the techniques and practices presently being applied to investigate green turtle migration trends in Pakistan by the Sindh Wildlife Department and the World Wildlife Fund.
Based on the evaluation of the work presently being carried out and the options available for enhancing the research, a baseline strategic assessment would be made on the feasibility of using the technology of DNA mapping to increase our knowledge on the migration patterns and behavior of green turtles nesting in the Sandspit/Hawksbay beaches.
Sea Turtles-Distribution and Habitat
Sea turtles are found in the waters off every continent except Antarctica. Now scientists recognize eight species of the sea turtles. These include Greens, Blacks (probably a subspecies of the Greens) Hawksbill, Kemp’s Ridley, Olive Ridley, Loggerhead, Flatback and Leatherback. The Loggerhead sea turtle is listed as threatened, the Flatback is listed as vulnerable and all other species are listed as endangered. The Olive Ridley continues to ply the high seas in the tropics of the Pacific, Atlantic, and Indian Oceans. The Kemp’s Ridley takes to the shallows of the Gulf of Mexico and North American Atlantic. The Leatherback adapts to both Arctic and tropical waters while making the longest seasonal migration of any sea turtle. The Loggerhead populates the world’s subtropics, and coral reefs attract the Hawksbill. The Green Turtle grazes the sea grasses in the tropics. The East Pacific Black turtle, perhaps a subspecies of the green, ranges from Baja California to the Galapagos. Only the Australian Flatback is not found in the Western Hemisphere.
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