Hayle Estuary and Carrack Gladden SSSI
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The Hayle Estuary and Carrack Gladden SSSI is a
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 of ...
, noted for its
biological Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary in ...
interest, in west
Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlantic ...
, England, UK. It consists of three distinct parts, each of which is covered in a separate article: the
Hayle Estuary The Hayle Estuary ( kw, Heyl, meaning ''estuary'') is an estuary in west Cornwall, England, United Kingdom. It is one of the few natural harbours on the north coast of south-west England and during the prehistoric and early medieval periods wa ...
, the sand-dune system of Porth Kidney Sands and the coastal headland at Carrack Gladden.


Geography

Hayle Estuary and Carrack Gladden SSSI is on the southern shore of St Ives Bay and to the west of the town of
Hayle Hayle ( kw, Heyl, "estuary") is a port town and civil parish in west Cornwall, England. It is situated at the mouth of the Hayle River (which discharges into St Ives Bay) and is approximately seven miles (11 km) northeast of Penzance. ...
. The estuary of the
River Hayle A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wa ...
is the most south-westerly in Britain and adjacent to important bird migration routes which cross the Land's End peninsula. Part of the estuary, at Ryan's Field and Carnsew Pool, is owned by the
Royal Society for the Protection of Birds The Royal Society for the Protection of Birds (RSPB) is a charitable organisation registered in England and Wales and in Scotland. It was founded in 1889. It works to promote conservation and protection of birds and the wider environment throug ...
(RSPB). Two long distant footpaths transverse or are close to the boundary of the SSSI. The
South West Coast Path The South West Coast Path is England's longest waymarked long-distance footpath and a National Trail. It stretches for , running from Minehead in Somerset, along the coasts of Devon and Cornwall, to Poole Harbour in Dorset. Because it rises a ...
follows the coast from Carrack Gladden to North Quay, Hayle, while St Michael’s Way also follows the coast at Carrack Gladden as far as Griggs Quay. The
St Ives Bay Line The St Ives Bay Line is a railway line from to in Cornwall, England, United Kingdom. It was opened in 1877, the last new broad gauge passenger railway to be constructed in the country. Converted to standard gauge in 1892, it continues to ...
also follows part of the boundary.


Birdlife

As the Hayle Estuary is the most south westerly in Britain it is important for wintering wildfowl, waders and gulls as well as for
vagrants Vagrancy is the condition of homelessness without regular employment or income. Vagrants (also known as bums, vagabonds, rogues, tramps or drifters) usually live in poverty and support themselves by begging, scavenging, petty theft, temporar ...
from North America. The most numerous ducks on the estuary are
Eurasian teal The Eurasian teal (''Anas crecca''), common teal, or Eurasian green-winged teal is a common and widespread duck that breeds in temperate Eurosiberia and migrates south in winter. The Eurasian teal is often called simply the teal due to being th ...
and
Eurasian wigeon The Eurasian wigeon or European wigeon (''Mareca penelope''), also known as the widgeon or the wigeon, is one of three species of wigeon in the dabbling duck genus ''Mareca''. It is common and widespread within its Palearctic range. Taxonomy Th ...
, with a few
gadwall The gadwall (''Mareca strepera'') is a common and widespread dabbling duck in the family Anatidae. Taxonomy The gadwall was first described by Carl Linnaeus in his landmark 1758 10th edition of ''Systema Naturae''. DNA studies have shown that ...
and smaller numbers of
common goldeneye The common goldeneye or simply goldeneye (''Bucephala clangula'') is a medium-sized sea duck of the genus ''Bucephala'', the goldeneyes. Its closest relative is the similar Barrow's goldeneye. The genus name is derived from the Ancient Greek ' ...
and
red-breasted merganser The red-breasted merganser (''Mergus serrator'') is a diving duck, one of the sawbills. The genus name is a Latin word used by Pliny and other Roman authors to refer to an unspecified waterbird, and ''serrator'' is a sawyer from Latin ''serra'', ...
s. Waders in winter include some
red knot The red knot or just knot (''Calidris canutus'') is a medium-sized shorebird which breeds in tundra and the Arctic Cordillera in the far north of Canada, Europe, and Russia. It is a large member of the ''Calidris'' sandpipers, second only to the ...
,
spotted redshank The spotted redshank (''Tringa erythropus'') is a wader (shorebird) in the large bird family Scolopacidae. The genus name ''Tringa'' is the New Latin name given to the green sandpiper by Aldrovandus in 1599 based on Ancient Greek ''trungas'', a ...
,
common greenshank The common greenshank (''Tringa nebularia'') is a wader in the large family Scolopacidae, the typical waders. The genus name ''Tringa'' is the New Latin name given to the green sandpiper by Aldrovandus in 1599 based on Ancient Greek ''trungas'' ...
and
common sandpiper The common sandpiper (''Actitis hypoleucos'') is a small Palearctic wader. This bird and its American sister species, the spotted sandpiper (''A. macularia''), make up the genus ''Actitis''. They are parapatric and replace each other geographic ...
among the more common species. Little egret are also present. In passage times the numbers of waders increase and North American vagrant species are recorded with some regularity, the most frequent being
pectoral sandpiper The pectoral sandpiper (''Calidris melanotos'') is a small, migratory wader that breeds in North America and Asia, wintering in South America and Oceania. It eats small invertebrates. Its nest, a hole scraped in the ground and with a thick linin ...
,
white-rumped sandpiper The white-rumped sandpiper (''Calidris fuscicollis'') is a small shorebird that breeds in the northern tundra of Canada and Alaska. This bird can be difficult to distinguish from other similar tiny shorebirds; these are known collectively as "pee ...
and
long-billed dowitcher The long-billed dowitcher (''Limnodromus scolopaceus'') is a medium-sized shorebird with a relatively long bill belonging to the sandpiper family, Scolopacidae. In breeding plumage, adults are characterized by a beautiful rufous head and underpar ...
.


Industry

Hawke's Point Mine (also known as Wheal Fanny Adela) was in operation between 1851 and 1870, producing 670 tons of copper, 1 ton of
ochre Ochre ( ; , ), or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand. It ranges in colour from yellow to deep orange or brown. It is also the name of the colours produced ...
and some tin. The main workings were at Carrack Gladden and tunnels can still be seen from the beach. The workings at Hawke's Point was reopened in 1883, employing nineteen men. An old
adit An adit (from Latin ''aditus'', entrance) is an entrance to an underground mine which is horizontal or nearly horizontal, by which the mine can be entered, drained of water, ventilated, and minerals extracted at the lowest convenient level. Adits ...
narrowly missed a copper lode and
cobalt Cobalt is a chemical element with the symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, pr ...
was also found. ″Mine materials, Machinery and Effects″ were sold by auction on 31 October 1884. Lots included a long wood-built house with galvanised iron roof, horse-whim, portable forge, stone crusher, etc.


References


External links


English Nature SSSIs site

Summary and site details
{{SSSIs Cornwall biological Hayle Sites of Special Scientific Interest in Cornwall Sites of Special Scientific Interest notified in 1951 Cornish coast