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Alde–Ore Estuary

Site of Special Scientific Interest
Location	Suffolk
Grid reference	TM 425 512
Interest	Biological Geological
Area	2,534 hectares
Notification	1992
Location map	Magic Map

Alde–Ore Estuary is a 2,534 hectare biological and geological Site of Special Scientific Interest which stretches along the Suffolk coast between Aldeburgh and Bawdsey, and also includes parts of the Alde, Ore and Butley Rivers. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and is a Grade I Nature Conservation Review site, a Special Area of Conservation, a Ramsar internationally important wetland site, and a Special Protection Area under the European Union Directive on the Conservation of Wild Birds. It includes two Geological Conservation Review sites, "Orfordness and Shingle Street" and "The Cliff, Gedgrave", and two nature reserves managed by the Suffolk Wildlife Trust, Alde Mudflats and Simpson's Saltings. The coastal part of the site is Orfordness-Havergate, a National Nature Reserve, and Orford Ness is managed by the National Trust, while Havergate Island is managed by the Royal Society for the Protection of Birds.

Natural England describes the scientific interests of the site as "outstanding and diverse". Habitats include grassland, fresh water, ditches, reedbeds, saltmarsh, mudflats, brackish lagoons, and the second largest and best preserved area of vegetated shingle in Britain. The birdlife is nationally important, and there are several rare spiders. Gedgrave Cliff has fossiliferous strata dating to the early Pliocene Coralline Crag Formation.

References

1. ^ "Designated Sites View: Alde–Ore Estuary" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 2 April 2015. Retrieved 12 May 2017.
2. "Alde-Ore Estuary". Ramsar Sites Information Service. Retrieved 25 April 2018.
3. "Map of Alde–Ore Estuary". Sites of Special Scientific Interest. Natural England. Retrieved 12 May 2017.
4. "Suffolk Coast & Heaths Area of Outstanding Natural Beauty Management Plan 2013–2018" (PDF). Suffolk Coast & Heaths AONB. p. 76. Archived from the original (PDF) on 15 August 2016. Retrieved 6 August 2016.
5. Ratcliffe, Derek, ed. (1977). A Nature Conservation Review. Vol. 2. Cambridge, UK: Cambridge University Press. p. 9. ISBN 0-521-21403-3.
6. "Alde, Ore and Butley Estuaries". Special Areas of Conservation. Joint Nature Conservation Committee. Retrieved 4 May 2017.
7. "Designated Sites View: Alde, Ore and Butley Estuaries". Special Area of Conservation. Natural England. Retrieved 5 May 2017.
8. "Information Sheet on Ramsar Wetlands: Alde–Ore Estuary" (PDF). Joint Nature Conservation Committee. Retrieved 4 May 2017.
9. "Designated Sites View: Alde–Ore Estuary". Ramsar Site. Natural England. Retrieved 5 May 2017.
10. "Alde–Ore Estuary". Special Protection Areas. Joint Nature Conservation Committee. Archived from the original on 2 August 2017. Retrieved 3 May 2017.
11. "Designated Sites View: Alde–Ore Estuary". Special Protection Area. Natural England. Retrieved 5 May 2017.
12. "Orfordness and Shingle Street (Coastal Geomorphology of England)". Geological Conservation Review. Joint Nature Conservation Committee. Retrieved 3 May 2017.
13. "The Cliff, Gedgrave (Neogene)". Geological Conservation Review. Joint Nature Conservation Committee. Retrieved 3 May 2017.
14. "Alde Mudflats". Suffolk Wildlife Trust. Retrieved 20 April 2017.
15. "Simpson's Saltings". Suffolk Wildlife Trust. Retrieved 2 May 2017.
16. "Designated Sites View: Orfordness-Havergate NNR". National Nature Reserves. Natural England. Retrieved 5 May 2017.
17. "Suffolk's National Nature Reserves". Natural England. Retrieved 3 May 2017.
18. "Orford Ness National Nature Reserve". National Trust. Retrieved 4 May 2017.
19. "Havergate Island". Royal Society for the Protection of Birds. Retrieved 4 May 2017.
20. "Alde–Ore Estuary citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 2 April 2015. Retrieved 12 May 2017.

52°06′N 1°30′E / 52.1°N 1.5°E / 52.1; 1.5

v t e Sites of Special Scientific Interest in Suffolk
Biological	Abbey Wood, Flixton Alde–Ore Estuary Arger Fen Bangrove Wood, Ixworth Barking Woods Barnby Broad and Marshes Barnham Heath Berner's Heath Bixley Heath Black Ditches, Cavenham Blaxhall Heath Blo' Norton and Thelnetham Fens Bradfield Woods Breckland Farmland Breckland Forest Brent Eleigh Woods Bugg's Hole Fen, Thelnetham Burgate Wood Cavendish Woods Cavenham–Icklingham Heaths Cherry Hill and The Gallops, Barton Mills Chippenhall Green Combs Wood Cornard Mere Crag Pit, Sutton Cransford Meadow Deadman's Grave, Icklingham Deben Estuary Dew's Ponds Edwardstone Woods Elmsett Park Wood Eriswell Low Warren Fakenham Wood and Sapiston Great Grove Fox Fritillary Meadow Foxhole Heath Freston and Cutler's Woods with Holbrook Park Frithy and Chadacre Woods The Gardens, Great Ashfield Gipping Great Wood Glemsford Pits The Glen Chalk Caves, Bury St Edmunds Gosbeck Wood Gromford Meadow Groton Wood Gypsy Camp Meadows, Thrandeston Hay Wood, Whepstead Horringer Court Caves High House Meadows, Monewden Hintlesham Woods Hopton Fen How Hill Track Iken Wood Ipswich Heaths Kentwell Woods Knettishall Heath Lackford Lakes Lakenheath Poor's Fen Lakenheath Warren Landguard Common Laurel Farm Meadow Leiston - Aldeburgh Lineage Wood & Railway Track, Long Melford Lingwood Meadows Little Blakenham Pit Little Heath, Barnham London Road Industrial Estate, Brandon Lordswell Field Maidscross Hill Major Farm Meadow Metfield Meadow Mickfield Meadow Middle Wood, Offton Milden Thicks Minsmere–Walberswick Heaths and Marshes Moat Farm Meadows Monewden Meadows Nacton Meadows Newbourne Springs Newmarket Heath Norton Wood Orwell Estuary Over and Lawn Woods Pakefield to Easton Bavents Pakenham Meadows Pashford Poor's Fen, Lakenheath Potton Hall Fields, Westleton RAF Lakenheath Redgrave and Lopham Fens Rex Graham Reserve Riverside House Meadow Sandlings Forest Sinks Valley, Kesgrave Sizewell Marshes Snape Warren Sotterley Park Sprat's Water and Marshes, Carlton Colville Stallode Wash, Lakenheath Stanton Woods Staverton Park and The Thicks, Wantisden Stour Estuary Sutton and Hollesley Heaths Thetford Heaths Thorpe Morieux Woods Titsal Wood, Shadingfield Trundley and Wadgell's Wood, Great Thurlow Tunstall Common Wangford Warren and Carr Weather and Horn Heaths, Eriswell West Stow Heath Westhall Wood and Meadow Weston Fen Wilde Street Meadow Wortham Ling
Geological	Alde-Ore Estuary Aldeburgh Brick Pit Aldeburgh Hall Pit Bawdsey Cliff Bobbitshole, Belstead Breckland Forest Buckanay Farm Pit, Alderton Chillesford Church Pit Corton Cliffs Crag Farm Pit, Sudbourne Crag Pit, Aldeburgh Creeting St Mary Pits Ferry Cliff, Sutton Flixton Quarry Gedgrave Hall Pit Great Blakenham Pit Hascot Hill Pit Holton Pit Hoxne Brick Pit Neutral Farm Pit, Butley Pakefield to Easton Bavents Ramsholt Cliff Red House Farm Pit Red Lodge Heath Richmond Farm Pit, Gedgrave Rockhall Wood Pit, Sutton Round Hill Pit, Aldeburgh Sandy Lane Pit, Barham Stoke Tunnel Cutting, Ipswich Stour Estuary Sudbourne Park Pit Valley Farm Pit, Sudbourne Waldringfield Pit

• Sites of Special Scientific Interest in Suffolk
• Geological Conservation Review sites
• Special Protection Areas in England
• Special Areas of Conservation in England
• Ramsar sites in England