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5.8 - Coral Reefs and Beach Erosion

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  • ✓Explain why coral reefs are under threat throughout the Caribbean region.
  • ✓Explain how damage to coral reefs can increase beach erosion and affect coastal communities.
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A class visits a popular beach on the south coast of a Caribbean island. Locals say the beach used to be wider, but now the waves reach much closer to the road after strong winter swells and storms. Offshore, patches of reef look broken and covered with algae. Big Idea: Healthy reefs act like a living ‘speed-bump’ for waves. When reefs weaken, beaches often lose sand faster.
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A class visits a popular beach on the south coast of a Caribbean island. Locals say the beach used to be wider, but now the waves reach much closer to the road after strong winter swells and storms. Offshore, patches of reef look broken and covered with algae. Big Idea: Healthy reefs act like a living ‘speed-bump’ for waves. When reefs weaken, beaches often lose sand faster.
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