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This is a habitat creation project, owned and managed by Defra, on Wallasea Island, adjoining the Crouch and Roach Estuaries, Essex.
In 1997 the House of Lords, after receiving an opinion from the European Court of Justice, decreed an area of marine wetlands, mudflats and saltmarsh of international importance for birds, which had been left out of a SPA to allow for port development at Sheerness and Felixstowe, should be replaced.
Wallasea Island was subsequently selected as a suitable site, with a view to create 115 hectares of intertidal habitat via Managed Realignment, a process of creating new counter walls some distance behind an existing sea wall which is then breached, to allow the tide back onto its old flood plain.