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Marine Ecosystem
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Coastal and Marine Ecosystem
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Coastal and marine ecosystems are among the most productive, yet threatened, ecosystems in the world; they include open ocean marine areas, nearshore coastal areas, areas where freshwater and saltwater mix, and certain terrestrial ecosystems such as sand dunes. Over a third of the worlds population live in coastal areas and are dependent on the various ecosystem services that marine and coastal ecosystems such as coral reefs, mangroves and seagrass beds provide.