Mussels dredged to save cockles in Dee Estuary

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About 1,000 tonnes of mussels are being dredged from the Dee Estuary off Flintshire, to save the local cockle population.

A mussel colony has invaded a sandbank there, and there are fears it could damage the livelihood of local fishermen.

Environment Agency Wales says mussels can smother cockles, eventually killing them.

The Environment Agency's Alan Winstone explains why.

Mussels dredged to save cockles

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