The Sussex Wildlife Trust (SWT) is a conservation charity which aims to protect natural life in Sussex. It was founded in 1961 and is one of 46 wildlife trusts across the UK and the Isle of Man and Alderney. As of 2019, it has 33,000 members and manages 2,000 hectares of land for nature. It is a registered charity and in the year to 31 March 2019 it had an income of £5.7 million and expenditure of £4 million, resulting in net income of £1.7 million.
Weir Wood Reservoir is a 153.5-hectare (379-acre) biological Site of Special Scientific Interest west of Forest Row in East Sussex. It is in High Weald Area of Outstanding Natural Beauty and an area of 32.6 hectares is a Local Nature Reserve which is owned by Southern Water and managed by East Sussex County Council and Southern Water.
Thatcham Reed Beds is a 67.4-hectare (167-acre) biological Site of Special Scientific Interest east of Newbury in Berkshire. It is part of the Kennet & Lambourn Floodplain Special Area of Conservation and an area of 14 hectares is a Local Nature Reserve. An area of 35 hectares is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Pevensey Levels is a 3,603.2-hectare (8,904-acre) biological Site of Special Scientific Interest between Bexhill-on-Sea and Hailsham in East Sussex. It is a Nature Conservation Review site, Grade I, a Ramsar site and a Special Area of Conservation. An area of 183.5 hectares is a national nature reserve and an area of 150 hectares is a nature reserve called Pevensey Marshes which is managed by the Sussex Wildlife Trust.
Combe Bottom is a 42.1-hectare (104-acre) biological Site of Special Scientific Interest north of Shere in Surrey. It is designated a Local Nature Reserve called Shere Woodlands, and is managed by the Surrey Wildlife Trust.
Lewes Downs is a 165-hectare (410-acre) biological Site of Special Scientific Interest east of Lewes in East Sussex. It is a Nature Conservation Review site, Grade I and a Special Area of Conservation. Part of it is a national nature reserve, part is Malling Down nature reserve, which is managed by the Sussex Wildlife Trust, and part is Mount Caburn, an Iron Age hill fort which is a Scheduled Monument.
Eridge Green is a 8.4-hectare (21-acre) biological Site of Special Scientific Interest north-east of Crowborough in East Sussex. It is part of the 44 hectares Eridge Rocks nature reserve, which is managed by Sussex Wildlife Trust.
Marline Valley Woods is a 55.1-hectare (136-acre) biological Site of Special Scientific Interest on the western outskirts of Hastings in East Sussex. An area of 40.3 hectares is a Local Nature Reserve owned by Hastings Borough Council and managed by the Sussex Wildlife Trust.
Minsmere–Walberswick Heaths and Marshes are a Special Area of Conservation and Site of Special Scientific Interest in the English county of Suffolk. The site is located on the North Sea coast between Southwold and Sizewell, extending over an area of coastline around 7 miles (11 km) in length. The site is also designated as a Special Protection Area, part of the Minsmere–Walberswick European Marine Site and contains areas designated as Ramsar sites and Natura 2000 sites. It lies within the Suffolk Coast and Heaths Area of Outstanding Natural Beauty and is made up of a "complex mosaic" of marshes, reed beds, shingle banks and lowland heath habitats.
Holborough Marshes is a 35-hectare (86-acre) nature reserve on the outskirts of Snodland, south-west of Chatham in Kent. It is managed by Kent Wildlife Trust. It is part of Holborough to Burham Marshes Site of Special Scientific Interest.
Filsham Reedbed is an 18.5-hectare (46-acre) Local Nature Reserve on the western outskirts of St Leonards-on-Sea in East Sussex. It is owned by Hastings Borough Council and managed by Sussex Wildlife Trust. It is part of Combe Haven Site of Special Scientific Interest.
Rye Harbour LNR is a 325.4-hectare (804-acre) Local Nature Reserve in Rye in East Sussex. The site is part of the 465-hectare (1,150-acre) nature reserve managed by the Sussex Wildlife Trust. It is also part of Dungeness, Romney Marsh and Rye Bay Ramsar site, Special Protection Area and Site of Special Scientific Interest and Dungeness Special Area of Conservation.
Seaford Head is a 150.2-hectare (371-acre) Local Nature Reserve east of Seaford in East Sussex.. It is part of Seaford to Beachy Head Site of Special Scientific Interest An area of 83 hectares is owned by Seaford Town Council and managed by the Sussex Wildlife Trust. The rest is divided between Seven Sisters Country Park, which is owned and managed by East Sussex County Council, and an area owned by the National Trust.
Eames Farm is a 132.5-hectare (327-acre) Local Nature Reserve on Thorney Island in West Sussex. It is owned by the Chichester Harbour Conservancy, West Sussex County Council and the Ministry of Defence and managed by the Chichester Harbour Conservancy. It is part of Chichester and Langstone Harbours Ramsar site and Special Protection Area and Chichester Harbour Site of Special Scientific Interest.
Burton Park SSSI is a 57.7-hectare (143-acre) biological Site of Special Scientific Interest west of Pulborough in West Sussex. A larger area of 63 hectares, including Chingford Pond to the west, is designated a Local Nature Reserve called Burton and Chingford Ponds, which is managed by the Sussex Wildlife Trust and West Sussex County Council. The site is adjacent to Burton Park, a Grade I listed building.
Marehill Quarry is a 1.1-hectare (2.7-acre) geological Site of Special Scientific Interest east of Pulborough in West Sussex. It is owned and managed by the Sussex Wildlife Trust and is a Geological Conservation Review site.
Malling Down is an 85-hectare (210-acre) nature reserve on the eastern outskirts of Lewes in East Sussex. It is managed by the Sussex Wildlife Trust. It is part of Lewes Downs, which is a Nature Conservation Review site, Grade I. Special Area of Conservation and Site of Special Scientific Interest.
Lymington River Reedbeds is a 41.7-hectare (103-acre) biological Site of Special Scientific Interest in Lymington in Hampshire. It is a nature reserve managed by the Hampshire and Isle of Wight Wildlife Trust. It is part of Solent and Southampton Water Ramsar site and Special Protection Area.
