Suffolk Wildlife Trust (SWT) describes itself as the county's "nature charity – the only organisation dedicated wholly to safeguarding Suffolk's wildlife and countryside." It is a registered charity, and its headquarters is at Brooke House in Ashbocking, near Ipswich. It was founded in 1961, and is one of 46 wildlife trusts covering the Great Britain and Northern Ireland. As of March 2017, it has 13,200 members, and it manages 3,120 hectares of land in 60 nature reserves, most of which are open to the public. It had an income of £3.9 million in the year to 31 March 2017.
Ducan's Marsh is a 3.6-hectare (8.9-acre) biological Site of Special Scientific Interest north-east of Loddon in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Thelnetham is a village and civil parish in the West Suffolk district of Suffolk in eastern England. Located on the southern bank of the River Little Ouse, six miles west of Diss, in 2005 its population was 230. The village of Blo' Norton lies on the Norfolk side of the river. The name of the village derives from the Old English words "thel" which means a plank bridge, "elfitu" meaning swans and "hamm" meaning a meadow or enclosure. Hence the village is the "meadow with the plank bridge and the swans".
Cornard Mere is an 8.5-hectare (21-acre) biological Site of Special Scientific Interest in Little Cornard in Suffolk. It is managed by the Suffolk Wildlife Trust.
Sizewell Marshes form a 260-acre biological Site of Special Scientific Interest adjacent to Sizewell in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and is part of a 356-acre (144-ha) nature reserve managed by the Suffolk Wildlife Trust as Sizewell Belts.
Blo' Norton and Thelnetham Fens are a 21.3-hectare (53-acre) biological Site of Special Scientific Interest (SSSI) on the Norfolk/Suffolk border. Blo' Norton Fen is in the parish of Blo' Norton in Norfolk and Thelnetham Fen is in Thelnetham parish in Suffolk. It is a Nature Conservation Review site, Grade 2, and part of the Waveney and Little Ouse Valley Fens Special Area of Conservation, Thelnetham Fen is managed by the Suffolk Wildlife Trust and Blo' Norton Fen by the Little Ouse Headwaters Project (LOHP).
Berry Fen is a 15.3-hectare (38-acre) biological Site of Special Scientific Interest on the western outskirts of Earith in Cambridgeshire.
Lakenheath Poor's Fen is a 5.2-hectare biological Site of Special Scientific Interest west of Lakenheath in Suffolk.
Stallode Wash, Lakenheath is a 34.1-hectare (84-acre) biological Site of Special Scientific Interest north-west of Lakenheath in Suffolk.
Pakenham Meadows is a 5.8-hectare (14-acre) biological Site of Special Scientific Interest north of Pakenham in Suffolk.
Weston Fen is a 49.7-hectare (123-acre) biological Site of Special Scientific Interest in Hopton in Suffolk. It is part of the Waveney and Little Ouse Valley Fens Special Areas of Conservation, and an area of 37 hectares is managed as a nature reserve called Market Weston Fen by the Suffolk Wildlife Trust.
Nacton Meadows is a 4.5-hectare (11-acre) biological Site of Special Scientific Interest north-west of Levington in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty
Empingham Marshy Meadows is a 14 hectare biological Site of Special Scientific Interest north of Empingham in Rutland.
Leziate, Sugar and Derby Fens is an 87.9-hectare (217-acre) biological Site of Special Scientific Interest east of King's Lynn in Norfolk.
Crostwick Marsh is an 11.6-hectare (29-acre) biological Site of Special Scientific Interest in Crostwick, north of Norwich in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Middle Harling Fen is a 11.8-hectare (29-acre) biological Site of Special Scientific Interest south of East Harling in Norfolk.
Swangey Fen, Attleborough is a 48.4-hectare (120-acre) biological Site of Special Scientific Interest south-west of Attleborough in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
Mattishall Moor is a 5.5-hectare (14-acre) biological Site of Special Scientific Interest east of Dereham in Norfolk.
Great Cressingham Fen is a 14.3-hectare (35-acre) biological Site of Special Scientific Interest near Great Cressingham in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
