| 11. | Morfa Harlech sand dunes is an extensive dune system stretching northwards from the town of Harlech.
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| 12. | Ballyteigue Burrow, located near Duncormick, is one of the finest protected sand dune systems in Ireland.
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| 13. | The extensive dune system covers an area of 650 hectares and comprises a series of parabolic sand dunes.
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| 14. | Located in the coastal zone are flats, beaches and dune systems, granite sierras and the volcanic shield communities.
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| 15. | A dune system know as Sealink Travel Group and a camping ground operated by the Kangaroo Island Council.
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| 16. | For several years, the town has used bulldozers to pile up the sand, creating an artificial dune system.
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| 17. | Coastal dune systems are mainly controlled by a principle natural process called the sediment supply and transport system.
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| 18. | Located only minutes from the centre of Nelson Bay, it is the largest sand dune system in Australia.
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| 19. | Characteristically, " Ammophila arenaria " invades the historically flat Californian foredunes transforming the ecology of the dune system.
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| 20. | The oldest dune system has been dated at 700, 000 years, which is the world's oldest recorded sequence.
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