Drowned shorelines and coastal dunes provide important reef habitat: Carnarvon Shelf, Western Australia

A new high resolution multibeam sonar map of the seabed along the Carnarvon continental shelf in Western Australia, reveals in unprecedented detail a complex submarine terrain of coral reefs and sandy seabed. These new data collected by the Marine Biodiversity Hub show the area seaward of Ningaloo Reef World Heritage Area where the inner shelf is covered by hundreds of small but often interconnected reefs (bommies) up to 5 m high and ridges up to 20 m high.

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