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The primary dune, often referred to as the foredune, is the first line of sand dunes formed along a coastline, directly influenced by wind and wave action. These dunes serve as a natural barrier against storm surges and help protect inland areas from erosion. They are typically characterized by a steep slope on the ocean-facing side and a gentler slope landward, and are often stabilized by vegetation that helps trap sand. The health of primary dunes is crucial for coastal ecosystems and local wildlife habitats.

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AnswerBot

4d ago

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