Milton Gate Marsh is a biological

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain, or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland, is a conservation designation denoting a protected area in the United Kingdom and Isle ...

north-west of

Eastbourne Eastbourne () is a town and seaside resort in East Sussex, on the south coast of England, east of Brighton and south of London. It is also a non-metropolitan district, local government district with Borough status in the United Kingdom, bor ...

East Sussex East Sussex is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Kent to the north-east, West Sussex to the west, Surrey to the north-west, and the English Channel to the south. The largest settlement ...

. This site consists of two areas of

alluvial Alluvium (, ) is loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed, on a floodplain, in an alluvial fan or beach, or in similar settings. Alluvium is also sometimes called alluvial deposit. Alluvium is ...

wetland in the valleys of the

River Cuckmere The Cuckmere River rises near Heathfield in East Sussex, England on the southern slopes of the Weald. The name of the river probably comes from an Old English word meaning "fast-flowing", since it descends over in its initial . It flows into ...

and one of its tributaries. There is a rich variety of invertebrates, including seventeen nationally scarce species such as the sallow clearwing moth and the beetles '' Ochthebius exaratus'' and '' Stenolphus skrimshiranus''.

References

{{SSSIs East Sussex Sites of Special Scientific Interest in East Sussex