Ouse Washes is a linear 2,513.6 hectare biological Site of Special Scientific Interest stretching from near St Ives in Cambridgeshire to Downham Market in Norfolk. It is also a Ramsar internationally important wetland site, a Special Protection Area under the European Union Birds Directive, a Special Area of Conservation, and a Nature Conservation Review site, Grade I. An area of 186 hectares between March and Ely is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire, and another area near Chatteris is managed by the Royal Society for the Protection of Birds. The Wildfowl & Wetlands Trust manages another area near Welney.
The Leicestershire and Rutland Wildlife Trust (LRWT) is one of 46 wildlife trusts across the United Kingdom. It manages nature reserves in Leicestershire and Rutland, and was founded in 1956 as the Leicestershire and Rutland Trust for Nature Conservation. As of January 2018, it has over 16,000 members, a staff of about 25 and more than 500 volunteers. It is based in Leicester, and is managed by a Council of Trustees which is elected by the members. It is a charity which covers all aspects of nature conservation, and works to protect wild places and wildlife.
Upwood Meadows is a 6 hectare biological Site of Special Scientific Interest west of Upwood in Cambridgeshire. It is also a National Nature Reserve and a Grade I Nature Conservation Review site. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Loughborough Meadows is a 60.5 hectares biological Site of Special Scientific Interest on the northern outskirts of Loughborough in Leicestershire. An area of 35.3 hectares is managed as a nature reserve by the Leicestershire and Rutland Wildlife Trust.
Brampton Racecourse is a 21.1 hectare biological Site of Special Scientific Interest north of Brampton in Cambridgeshire. The site is also a horse racing venue called Huntingdon Racecourse.
Great Stukeley Railway Cutting is a 34.7 hectare biological Site of Special Scientific Interest in Huntingdon in Cambridgeshire.
Chippenham Fen and Snailwell Poor's Fen is a 155.9 hectare biological Site of Special Scientific Interest south-east of Fordham in Cambridgeshire. It is a Nature Conservation Review site, Grade I, a Ramsar wetland site and a Special Area of Conservation. It is managed by Natural England.
Ely Pits and Meadows is an 85.8 hectare Site of Special Scientific Interest (SSSI) on the eastern outskirts of Ely in Cambridgeshire. It is the only SSSI in the county which is designated both for its biological and geological interest. It is also a Geological Conservation Review site, and an area of 8 hectares is the Roswell Pits nature reserve, which is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
River Ise and Meadows is a 13.5 hectare biological Site of Special Scientific Interest along the River Ise in Northamptonshire between Geddington and the Kettering to Corby railway line east of Rushton.
Thetford Heaths is a 270.6 hectare biological and geological Site of Special Scientific Interest in Suffolk. It is a Nature Conservation Review site, Grade I, and parts of it are a National nature reserve, and a Geological Conservation Review, It is part of the Breckland Special Area of Conservation, and Special Protection Area A large part of this dry heathland site is calcareous grassland, and some areas are grazed by sheep or rabbits. There are several nationally rare plants and an uncommon heathland bird, and many lichens and mosses.
Cribb's Meadow is a 4.2 hectare nature reserve east of Wymondham in Leicestershire. It is owned and managed by the Leicestershire and Rutland Wildlife Trust, and is designated a biological Site of Special Scientific Interest under the name Cribb's Lodge Meadows. It is also a National Nature Reserve and a Nature Conservation Review site, Grade 2.
Geldeston Meadows is a 14-hectare (35-acre) biological Site of Special Scientific Interest near Geldeston in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Poplar Farm Meadows, Langley is a 7.5-hectare (19-acre) biological Site of Special Scientific Interest east of Loddon in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
