| 11. | Much of the coastline is composed of lagoons and salt marsh.
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| 12. | The old sea-wall has been breached to let salt marsh develop.
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| 13. | The coastline includes shingle ridges, salt marshes and a submerged forest.
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| 14. | But that has chased out the species that belong in a salt marsh.
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| 15. | Salt marsh hay which grows there has been harvested for feeding farm animals.
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| 16. | Studies have shown that agricultural burning, salt marshes and rice paddies are sources.
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| 17. | Bush said Thursday after touring a salt marsh accompanied by his mother, Barbara.
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| 18. | Salt marshes are quite photosynthetically active and are extremely productive habitats.
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| 19. | The mangroves have actually colonised areas that were previously salt marsh.
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| 20. | Down by the salt marsh, there are no fiddler crabs today.
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