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Study reveals value of sea grasses preserving beaches

Preserving sea grasses can be a cost-efficient way to protect beaches, particularly in the Caribbean, where the pristine sands are a major tourist draw, new research indicates. The study, by the Royal Dutch Institute for Sea Research, used an adjustable field flume to gauge water movement near sea grass beds and found them to be "extremely effective at holding sediment in place, especially in combination with calcifying algae that create their own sand," said researcher Rebecca James.

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