Hurst Castle and Lymington River Estuary

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Hurst Castle and Lymington River Estuary
Site of Special Scientific Interest
Sunset Over the Salt-marsh, Lymington - geograph.org.uk - 1697903.jpg
Location Hampshire
Grid reference SZ 331 930 [1]
InterestBiological
Geological
Area1,077.3 hectares (2,662 acres) [1]
Notification 1986 [1]
Location map Magic Map

Hurst Castle and Lymington River Estuary is a 1,077.3-hectare (2,662-acre) biological and geological Site of Special Scientific Interest near Lymington in Hampshire. [1] [2] It is a Nature Conservation Review site [1] and two areas are Geological Conservation Review sites. [3] [4] Three areas are local nature reserves, Boldre Foreshore, [5] Sturt Pond [6] and Lymington and Keyhaven Marshes; [7] the latter site is managed by the Hampshire and Isle of Wight Wildlife Trust. [8] Part of it is North Solent National Nature Reserve. [9] It is part of Solent and Southampton Water Ramsar site and Special Protection Area. [10] [11] Parts of it are in Solent Maritime and Solent and Isle of Wight Lagoons Special Areas of Conservation. [12] [13]

Contents

Description

The SSSI covers nine kilometres (5.6 mi) along the north-western shore of The Solent, covering a wide variety of coastal habitats which have a restricted distribution on the south coast of England, these all having biological and geomorphological importance. On the seaward side of the seawall the SSSI encompasses three estuaries of substantial streams and their associated intertidal mudflats, marshes dominated by Spartina anglica as well as higher level saltmarsh. Inland of the sea wall there is a belt of freshwater and brackish water marsh which surround a number of lagoons, the water in these lagoon varies from brackish to fresh and they are the habitat for a number of species rare invertebrates and plants which are of international importance. A well developed shingle spit, called Hurst Spit, forms the south western boundary of the site. It is geologically important as the basis of a seminal paper explaining the relationship of beach alignment to the direction of dominant waves. [14]

Invertebrates

The Hurst Castle And Lymington River Estuary SSSI is one of five sites in the United Kingdom where the starlet sea anemone Nematostella vectensis is found, this is listed by the IUCN as Vulnerable [15] and outside of the United Kingdom is found only in a few sites in the eastern North America. [14] It is also the only known site in Britain where the polychaete Armandia cirrhosa and the amphipod Gammarus insensibilis , both of which are at their most northerly known sites in the lagoons behind the seawall here. [14]

Birds

The mudflats are used by a wide variety of birds to feed on. Flocks of brent geese, Eurasian wigeon and Northern pintail use the estuary in the winter while waders such as dunlin, black-tailed godwit and grey plover feed on the mud and roost in the marshes and shingle ridges. sandwich and little terns nest on the shingle ridges alongside black-headed gulls. Together with great cormorants these fish eating birds hunt their prey in the rich waters of the area. Birds of prey, such as Western marsh harriers, peregrine falcons, and merlins are attracted by flocks of wildfowl and waders. [8]

History

The marshes were originally used for salt production but this ceased in the 19th century and the land reverted to saltmarsh. [14]

See also

Related Research Articles

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<span class="mw-page-title-main">Lymington and Keyhaven Marshes</span> Hampshire nature reserve

Lymington and Keyhaven Marshes is a 738-hectare (1,820-acre) nature reserve which stretches from Keyhaven along the south coast across the Lymington River in Hampshire. It is managed by the Hampshire and Isle of Wight Wildlife Trust. It is part of Solent and Southampton Water Ramsar site and Special Protection Area. Some areas are part of two Special Areas of Conservation, Solent and Isle of Wight Lagoons and Solent Maritime and Solent. It is also part of Hurst Castle and Lymington River Estuary, which is a Site of Special Scientific Interest, and of North Solent Marshes Nature Conservation Review site, Grade 2. Two areas are Geological Conservation Review sites, and two are Local Nature Reserves, Boldre Foreshore and Lymington-Keyhaven Marshes.

<span class="mw-page-title-main">Mercury Marshes</span>

Mercury Marshes is a 6.4-hectare (16-acre) Local Nature Reserve in Hamble-le-Rice in Hampshire. It is owned by Hampshire County Council and managed by Hampshire Countryside Service. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, of Solent Maritime Special Area of Conservation, and of Lee-on-The Solent to Itchen Estuary, which is a Site of Special Scientific Interest.

<span class="mw-page-title-main">Sturt Pond</span>

Sturt Pond is a 10.9-hectare (27-acre) Local Nature Reserve in Milford on Sea in Hampshire. It is owned and managed by Milford On Sea Parish Council. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, of Solent Maritime Special Area of Conservation and of Hurst Castle and Lymington River Estuary, which is a Site of Special Scientific Interest.

References

  1. 1 2 3 4 5 "Designated Sites View: Hurst Castle and Lymington River Estuary". Sites of Special Scientific Interest. Natural England. Retrieved 12 May 2020.
  2. ↑ "Map of Hurst Castle and Lymington River Estuary". Sites of Special Scientific Interest. Natural England. Retrieved 12 May 2020.
  3. ↑ "Hurst Castle Spit (Coastal Geomorphology of England)". Geological Conservation Review. Joint Nature Conservation Committee. Retrieved 21 April 2020.[ permanent dead link ]
  4. ↑ "Keyhaven Marsh, Hurst Castle (Coastal Geomorphology of England)". Geological Conservation Review. Joint Nature Conservation Committee. Retrieved 21 April 2020.[ permanent dead link ]
  5. ↑ "Designated Sites View: Boldre Foreshore". Local Nature Reserves. Natural England. Retrieved 28 April 2020.
  6. ↑ "Designated Sites View: Sturt Pond". Local Nature Reserves. Natural England. Retrieved 28 April 2020.
  7. ↑ "Designated Sites View: Lymington-Keyhaven Marshes". Local Nature Reserves. Natural England. Retrieved 24 April 2020.
  8. 1 2 "Lymington and Keyhaven Marshes". Hampshire and Isle of Wight Wildlife Trust. Retrieved 24 April 2020.
  9. ↑ "Designated Sites View: North Solent". National Nature Reserves. Natural England. Retrieved 24 April 2020.
  10. ↑ "Designated Sites View: Solent and Southampton Water". Special Protection Areas. Natural England. Retrieved 23 April 2020.
  11. ↑ "Designated Sites View: Solent and Southampton Water". Ramsar Site. Natural England. Retrieved 23 April 2020.
  12. ↑ "Designated Sites View: Solent Maritime". Special Areas of Conservation. Natural England. Retrieved 23 April 2020.
  13. ↑ "Designated Sites View: Solent and Isle of Wight Lagoons". Special Areas of Conservation. Natural England. Retrieved 23 April 2020.
  14. 1 2 3 4 "Hurst Castle and Lymington River Estuary citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 12 May 2020.
  15. ↑ World Conservation Monitoring Centre (1996). "Nematostella vectensis". IUCN Red List of Threatened Species . 1996: e.T14500A4440023. doi: 10.2305/IUCN.UK.1996.RLTS.T14500A4440023.en . Retrieved 16 March 2020.

50°44′10″N1°31′55″W / 50.736°N 1.532°W / 50.736; -1.532

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