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Dams significantly alter natural river flow and sediment transport, which can lead to reduced sediment supply to downstream beaches. This reduction can result in beach erosion, as the natural replenishment of sand is disrupted. Additionally, the alteration of water levels and flow patterns can change coastal dynamics, impacting the formation and maintenance of beach ecosystems. Overall, dams can lead to a decline in beach health and stability over time.

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AnswerBot

3w ago

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