Breydon Water is a 514.4-hectare (1,271-acre) biological Site of Special Scientific Interest at Great Yarmouth, Norfolk. It is a Local Nature Reserve, a Ramsar site and a Special Protection Area. It is part of the Berney Marshes and Breydon Water nature reserve, which is managed by the Royal Society for the Protection of Birds (RSPB).
The Swale is a tidal channel of the Thames estuary that separates the Isle of Sheppey from the rest of Kent. On its banks is a 6,509.4-hectare (16,085-acre) biological Site of Special Scientific Interest which stretches from Sittingbourne to Whitstable in Kent. It is also a Ramsar internationally important wetland site and a Special Protection Area under the European Union Directive on the Conservation of Wild Birds. Parts of it are a Nature Conservation Review site, Grade I, National Nature Reserves, a Kent Wildlife Trust nature reserve and a Local Nature Reserve.
The Blackwater Estuary is the estuary of the River Blackwater between Maldon and West Mersea in Essex. It is a 5,538 hectare biological Site of Special Scientific Interest (SSSI). An area of 4,395 hectares is also designated a Ramsar Wetland of International Importance, and a Special Protection Area 1,099 hectares is a National Nature Reserve. Tollesbury Wick and part of Abbotts Hall Farm, both nature reserve managed by the Essex Wildlife Trust, are in the SSSI.
The Ribble and Alt Estuaries lie on the Irish Sea coast of the ceremonial counties of Lancashire and Merseyside in the traditional county of Lancashire in north-west England, and form the boundaries of a number of conservation schemes.
Dengie nature reserve is a 3,105 hectare biological and geological Site of Special Scientific Interest between the estuaries of the Blackwater and Crouch near Bradwell-on-Sea in Essex. It is also a National Nature Reserve, a Special Protection Area, a Nature Conservation Review site, a Geological Conservation Review site and a Ramsar site. It is part of the Essex estuaries Special Area of Conservation. An area of 12 hectares is the Bradwell Shell Bank nature reserve, which is managed by the Essex Wildlife Trust.
Mucking is a hamlet and former Church of England parish adjoining the Thames Estuary in southern Essex, England. It is located approximately 2 miles (3.2 km) south of the town of Stanford-le-Hope in what is now Thurrock unitary authority. In 1931 the parish had a population of 498.
Colne Estuary is a 2915 hectare biological and geological Site of Special Scientific Interest near Brightlingsea in Essex. It is also a Nature Conservation Review site, a National Nature Reserve, a Ramsar wetland site of international importance, a Special Protection Area, a Special Area of Conservation, and a Geological Conservation Review site. Three areas in the site are managed by the Essex Wildlife Trust, Colne Point, Fingringhoe Wick and Howlands Marsh.
Kempton Park Reservoirs are a Site of Special Scientific Interest in the London Borough of Hounslow and Kempton Park in Surrey. It is owned by Thames Water. It is part of South West London Waterbodies Ramsar site and Special Protection Area Kempton Park East reservoir is also a local nature reserve.
Trimley Marshes is a 77 hectare nature reserve west of Trimley St Mary, on the outskirts of Felixstowe in Suffolk. It is managed by the Suffolk Wildlife Trust. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, the Orwell Estuary Site of Special Scientific Interest, the Stour and Orwell Estuaries Ramsar site internationally important wetland site and Special Protection Area under the European Union Directive on the Conservation of Wild Birds.
Alde Mudflats is a 22 hectare nature reserve west of Iken in Suffolk. It is owned by the Crown Estate and managed by the Suffolk Wildlife Trust. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and part of the Alde-Ore Estuary Site of Special Scientific Interest, Ramsar internationally important wetland site, Special Area of Conservation, Special Protection Area under the European Union Directive on the Conservation of Wild Birds, and Grade I Nature Conservation Review site,
The Crouch and Roach Estuaries are a 1729 hectare biological Site of Special Scientific Interest (SSSI) at the mouth of the Crouch and Roach rivers in Essex. The Crouch part of the SSSI stretches from near Battlesbridge to Foulness Island, and the Roach from Rochford to the junction with the Crouch. Part of the site is in the Mid-Essex Coast Special Protection Area under the EC Directive on the Conservation of Wild Birds, and a Ramsar wetland site of international importance. It is also part of the Essex Estuaries Special Area of Conservation. An area of 65 hectares is managed by the Essex Wildlife Trust as the Lion Creek and Lower Raypits nature reserve and 8 hectares at Woodham Fen, both of which are managed by the Essex Wildlife Trust. A small area is also a geological SSSI, The Cliff, Burnham-on-Crouch.
Foulness SSSI is a 10,702 hectare biological Site of Special Scientific Interest covering the shoreline between Southend-on-Sea and the Crouch estuary in Essex.
Holehaven Creek is a 272.9 hectare biological Site of Special Scientific Interest (SSSI) between Canvey Island and Corringham in Essex.
West Thurrock Lagoon and Marshes is a 66.1 hectare biological Site of Special Scientific Interest in West Thurrock in Essex.
Bradwell Shell Bank is a nature reserve on the coast of the Dengie Peninsula near Bradwell-on-Sea in Essex. It is managed by the Essex Wildlife Trust. It is part of the Dengie Site of Special Scientific Interest, Special Protection Area and Ramsar site, and the Essex Estuaries Special Area of Conservation. It is also part of the Blackwater Flats and Marshes, a Grade I site in the Nature Conservation Review.
Howlands Marsh is a 29.9 hectare nature reserve north-east of St Osyth in Essex. It is managed by the Essex Wildlife Trust. It is part of the Colne Estuary Site of Special Scientific Interest Special Protection Area and Ramsar site, and the Blackwater Flats and Marshes Nature Conservation Review site.
Medway Estuary and Marshes is a 4,748.8-hectare (11,735-acre) biological Site of Special Scientific Interest which stretches along the banks of the River Medway between Gillingham and Sheerness in Kent. It is a Nature Conservation Review site, Grade I, a Ramsar internationally important wetland site, and a Special Protection Area under the European Union Directive on the Conservation of Wild Birds.
South Thames Estuary and Marshes is a 5,289-hectare (13,070-acre) biological Site of Special Scientific Interest which stretches between Gravesend and the mouth of the River Medway in Kent. Part of it is a Nature Conservation Review site, Grade I, and part is a Royal Society for the Protection of Birds nature reserve. It is part of the Thames Estuary and Marshes Ramsar internationally important wetland site and Special Protection Area under the European Union Directive on the Conservation of Wild Birds.
Lee-on-The Solent to Itchen Estuary is a 585.9-hectare (1,448-acre) biological and geological Site of Special Scientific Interest which stretches along the coast between Southampton and Gosport in Hampshire. It is a Geological Conservation Review site. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, and of Solent Maritime Special Area of Conservation. Three areas are Local Nature Reserves, Chessel Bay, Hook with Warsash and Mercury Marshes. One area is Hamble Common Camp, a Scheduled Monument.
