dune fence

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  The initial step in restoration of deflated sand dunes is to use structures that can accumulate sand. Dune building fences can be erected in order to trap sand and reconstruct new dunes.
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  The fence is located at the Opal Beach sign, three miles from the Opal Beach boardwalk.
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  There is a boardwalk on the Gulf side of the turn-around leading to the beach.
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  For nature lovers, the park is a good place to begin an exploration of the barrier island ecosystem.
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  The staircase bisects the deck leading to the downstairs living area.
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  The short fences were installed after recent storms to promote dune formation by trapping blowing sand.