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The Guardian - AU
The Guardian - AU
Environment
Tory Shepherd

Get shucking: South Australians urged to eat oysters and donate shells for reef restoration project

Lucy Hood SA
Oyster shells. It's hoped an increase in shells in reefs will improve the health of the ocean and help fight algal blooms
A single oyster filters about 100 litres of water, so reefs made of them improve ocean water quality. Photograph: macarosha/Getty Images

South Australians are being urged to feast on local oysters and then donate the shells to restore native reefs, which will filter ocean water and help fight harmful algal blooms.

The program will also involve lumps of limestone being sunk in the ocean, with a soundtrack of snapping shrimp playing on underwater speakers to lure baby oysters in.

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