Lagoons under the microscope

euronews (in English)
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At the Ria de Aveiro Lagoon in Portugal the day starts early for European scientists as they set out to gather samples.

The lagoon offers a rich but fragile 75 square kilometre ecosystem of wetlands, seagrasses and salt marshes used as nursery areas for bivalves, crustaceans, fish and birds.

It is a natural treasure that, as with other European coastal lagoons, is facing huge threats.
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