| Site of Special Scientific Interest | |
 | |
| Location | East Sussex |
|---|---|
| Grid reference | TQ 421 076[1] |
| Interest | Biological |
| Area | 339.1 hectares (838 acres)[1] |
| Notification | 1988[1] |
| Location map | Magic Map |
Lewes Brooks is a 339.1-hectare (838-acre) biological Site of Special Scientific Interest south of LewesinEast Sussex.[1][2] The Falmer-Glynde and the Ouse valleys meet in Lewes Brooks, and the Upper and Lower Rises are the remains of the chalk uplands eroded by the Ouse.[3]
This site is on the flood plain of the River Ouse, and has fields separated by ditches. Variations in salinity from brackish to spring-fed, together with periodic clearing of ditches, produce a variety of habitats. The site is home to a diverse array of invertebrate fauna, especially water beetles. There are also rare snails, flies and moths.[4]
50°51′00″N 0°01′01″E / 50.850°N 0.017°E / 50.850; 0.017
