Alderfen Broad is a 21.3-hectare (53-acre) biological Site of Special Scientific Interest north-east of Norwich in Norfolk. It is managed by the Norfolk Wildlife Trust. It is part of the Broadland Ramsar site and Special Protection Area and The Broads Special Area of Conservation,
Thriplow is a village in the civil parish of Thriplow and Heathfield, in Cambridgeshire, England, 8 miles (13 km) south of Cambridge. The village also gives its name to a former Cambridgeshire hundred.
Adventurers' Land is a 10.1-hectare (25-acre) geological Site of Special Scientific Interest (SSSI) north of March in Cambridgeshire. It is a Geological Conservation Review site.
East Winch Common is a 26.1-hectare (64-acre) biological Site of Special Scientific Interest south-east of King's Lynn in Norfolk. It is common land and is managed by the Norfolk Wildlife Trust.
Thriplow Meadows is a 3.5-hectare (8.6-acre) biological Site of Special Scientific Interest in Thriplow in Cambridgeshire.
Whittlesford - Thriplow Hummocky Fields is a 55.6-hectare (137-acre) biological Site of Special Scientific Interest between Whittlesford and Thriplow in Cambridgeshire. This site has two unusual species, the nationally rare grass-poly, which is only found in south Cambridgeshire on the British mainland, and the nationally uncommon fairy shrimp Chirocephalus diaphanus. They are found in shallow hollows in arable fields, which are the result of ice lenses melting at the end of the last ice age. There are also uncommon liverworts.
Alder Carr is a 6.7-hectare biological Site of Special Scientific Interest in Hildersham in Cambridgeshire.
Sawston Hall Meadows is a 7.4-hectare (18-acre) biological Site of Special Scientific Interest in Sawston in Cambridgeshire.
Brackland Rough is a 10.7-hectare (26-acre) biological Site of Special Scientific Interest in Fordham in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire as Fordham Woods.
Snailwell Meadows is a 14.8-hectare (37-acre) biological Site of Special Scientific Interest in Snailwell in Cambridgeshire.
Alder Wood and Meadow is a 13.2-hectare (33-acre) biological Site of Special Scientific Interest south-west of Corby in Northamptonshire.
Aldwincle Marsh is a 2-hectare (4.9-acre) biological Site of Special Scientific Interest north of Thrapston in Northamptonshire.
Sprat's Water and Marshes, Carlton Colville is a 57.1-hectare (141-acre) biological Site of Special Scientific Interest on the western outskirts of Lowestoft in Suffolk, England. It is part of the Broadland Ramsar internationally important wetland site, and Special Protection Area under the European Union Directive on the Conservation of Wild Birds, and part of The Broads Special Area of Conservation. The northern part of the site is Carlton Marshes, which is part of Carlton and Oulton Marshes, a nature reserve managed by the Suffolk Wildlife Trust.
Crag Farm Pit, Sudbourne is a 4.8-hectare (12-acre) geological Site of Special Scientific Interest east of Sudbourne in Suffolk. It is a Geological Conservation Review site, and within the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Bure Broads and Marshes is a 741.1-hectare (1,831-acre) biological Site of Special Scientific Interest north-east of Norwich in Norfolk. Most of it is a Nature Conservation Review site, Grade I and National Nature Reserve. Two areas are nature reserves managed by the Norfolk Wildlife Trust, Cockshoot Broad and Ranworth Broad. It is part of the Broadland Ramsar site and Special Protection Area and The Broads Special Area of Conservation,
Whitwell Common is a 19.4-hectare (48-acre) biological Site of Special Scientific Interest north-east of Dereham in Norfolk.
Stanley and Alder Carrs, Aldeby is a 42.7-hectare (106-acre) biological Site of Special Scientific Interest east of Gillingham in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Hooks Well Meadows, Great Cressingham is a 15.6-hectare (39-acre) biological Site of Special Scientific Interest near Great Cressingham] in Norfolk.
Dereham Rush Meadow is a 22.2-hectare (55-acre) biological Site of Special Scientific Interest north-west of Dereham in Norfolk.
