Flat Holm
Encyclopedia
Flat Holm is a limestone island
Island
An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 lying in the Bristol Channel
Bristol Channel
The Bristol Channel is a major inlet in the island of Great Britain, separating South Wales from Devon and Somerset in South West England. It extends from the lower estuary of the River Severn to the North Atlantic Ocean...

 approximately 6 km (4 mi) from Lavernock Point in the Vale of Glamorgan
Vale of Glamorgan
The Vale of Glamorgan is a county borough in Wales; an exceptionally rich agricultural area, it lies in the southern part of Glamorgan, South Wales...

, but in the City and County of Cardiff
Cardiff
Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

. It includes the most southerly point of Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

.

The island has a long history of occupation, dating at least from Anglo-Saxon
Anglo-Saxon
Anglo-Saxon may refer to:* Anglo-Saxons, a group that invaded Britain** Old English, their language** Anglo-Saxon England, their history, one of various ships* White Anglo-Saxon Protestant, an ethnicity* Anglo-Saxon economy, modern macroeconomic term...

 and Viking
Viking
The term Viking is customarily used to refer to the Norse explorers, warriors, merchants, and pirates who raided, traded, explored and settled in wide areas of Europe, Asia and the North Atlantic islands from the late 8th to the mid-11th century.These Norsemen used their famed longships to...

 periods. Religious uses include visits by disciples of Saint Cadoc in the 6th century, and in 1835 it was the site of the foundation of the Bristol Channel Mission, which later became the Mission to Seafarers
Mission to Seafarers
The Mission to Seafarers is an international not-for-profit charity serving sailor sailors in over 230 ports around the world. It is supported entirely by donations from the public, whose generosity has funded its work for more than a century and a half...

. A sanatorium
Sanatorium
A sanatorium is a medical facility for long-term illness, most typically associated with treatment of tuberculosis before antibiotics...

 for cholera
Cholera
Cholera is an infection of the small intestine that is caused by the bacterium Vibrio cholerae. The main symptoms are profuse watery diarrhea and vomiting. Transmission occurs primarily by drinking or eating water or food that has been contaminated by the diarrhea of an infected person or the feces...

 patients was built in 1896 as the isolation hospital for the port of Cardiff
Cardiff
Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

. Guglielmo Marconi
Guglielmo Marconi
Guglielmo Marconi was an Italian inventor, known as the father of long distance radio transmission and for his development of Marconi's law and a radio telegraph system. Marconi is often credited as the inventor of radio, and indeed he shared the 1909 Nobel Prize in Physics with Karl Ferdinand...

 transmitted the first wireless
Wireless
Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications...

 signals over open sea from Flat Holm to Lavernock
Lavernock
Lavernock is a hamlet in the Vale of Glamorgan in Wales, lying on the coast south of Cardiff between Penarth and Sully, and overlooking the Bristol Channel.- Marconi and the first radio messages across open sea :...

. Because of frequent shipwrecks a lighthouse
Lighthouse
A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

 was built on the island, which was replaced by a Trinity House
Trinity House
The Corporation of Trinity House of Deptford Strond is the official General Lighthouse Authority for England, Wales and other British territorial waters...

 lighthouse in 1737. Because of its strategic position on the approaches to Bristol
Bristol
Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

 and Cardiff a series of gun emplacements, known as Flat Holm Battery, were built in the 1860s as part of a line of defences
Palmerston Forts, Bristol Channel
The Palmerston Forts along the Bristol Channel include:*Brean Down Fort, Weston-super-Mare*Flat Holm Battery, Flat Holm*Lavernock Battery, Penarth*Nell's Point Battery, Barry Island*Steep Holm Battery, Steep Holm...

, known as Palmerston Forts
Palmerston Forts
The Palmerston Forts are a group of forts and associated structures, around the coast of Britain.The forts were built during the Victorian period on the recommendations of the 1860 Royal Commission on the Defence of the United Kingdom, following concerns about the strength of the French Navy, and...

. On the outbreak of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, the island was rearmed.

It is now managed by Cardiff Council's
Cardiff Council
The County Council of the City and County of Cardiff is the governing body for Cardiff, one of the Principal Areas of Wales. The council consists of 75 councillors, representing 29 electoral wards. The authority is properly styled as The County Council of the City and County of Cardiff or in...

 Flat Holm Project Team and designated as a Local Nature Reserve
Local Nature Reserve
Local nature reserve or LNR is a designation for nature reserves in the United Kingdom. The designation has its origin in the recommendations of the Wild Life Conservation Special Committee which established the framework for nature conservation in the United Kingdom and suggested a national suite...

, Site of Special Scientific Interest
Site of Special Scientific Interest
A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 and a Special Protection Area
Special Protection Area
A Special Protection Area or SPA is a designation under the European Union Directive on the Conservation of Wild Birds.Under the Directive, Member States of the European Union have a duty to safeguard the habitats of migratory birds and certain particularly threatened birds.Together with Special...

, because of the maritime grassland and rare plants such as Rock Sea-Lavender
Limonium binervosum
Limonium binervosum, commonly known as the Rock Sea Lavender, is an aggregate species in the family Plumbaginaceae.Despite the common name, Rock Sea Lavender is not related to the lavenders or to rosemary but is a perennial herb with small violet-blue flowers with five petals in clusters..Eight...

 (Limonium binervosum) and Wild Leek
Wild leek
Allium tricoccum — known as the ramp, spring onion, ramson, wild leek, wild garlic, and, in French, ail sauvage and ail des bois — is an early spring vegetable, a perennial wild onion. It has a strong garlic-like odor and a pronounced onion flavor. Ramps are found across North America, from the...

 (Allium ampeloprasum). The island also has significant breeding colonies of Lesser Black-backed Gull
Lesser Black-backed Gull
The Lesser Black-backed Gull is a large gull that breeds on the Atlantic coasts of Europe. It is migratory, wintering from the British Isles south to West Africa...

 (Larus fuscus), Herring Gull (Larus argentatus) and Great Black-backed Gull
Great Black-backed Gull
The Great Black-backed Gull is the largest gull in the world, which breeds on the European and North American coasts and islands of the North Atlantic...

 (Larus marinus). It is also home to Slow worms (Anguis fragilis) with larger than usual blue markings.

Bronze Age and Early Christian

The first traces of human habitation of the island are from the late Bronze Age
Bronze Age
The Bronze Age is a period characterized by the use of copper and its alloy bronze as the chief hard materials in the manufacture of some implements and weapons. Chronologically, it stands between the Stone Age and Iron Age...

, 900 to 700 BC, known as the Ewart Park Phase
Ewart Park Phase
The Ewart Park Phase refers to a period of the later Bronze Age Britain.It is named after a founder's hoard discovered in Ewart Park in Northumberland and is the twelfth in a sequence of industrial stages that cover the period 3000 BC to 600 BC.....

. A bronze
Bronze
Bronze is a metal alloy consisting primarily of copper, usually with tin as the main additive. It is hard and brittle, and it was particularly significant in antiquity, so much so that the Bronze Age was named after the metal...

 axe head was discovered on the island in 1988, between the island's modern lone farmhouse and West Beach, at . In the sub-Roman
Sub-Roman Britain
Sub-Roman Britain is a term derived from an archaeological label for the material culture of Britain in Late Antiquity: the term "Sub-Roman" was invented to describe the potsherds in sites of the 5th century and the 6th century, initially with an implication of decay of locally-made wares from a...

 period of the 6th century AD, it became a retreat for Saint Cadoc
Cadoc
Saint Cadoc , Abbot of Llancarfan, was one of the 6th century British Christian saints. His vita twice mentions King Arthur. The Abbey of Llancarfan, near Cowbridge in Glamorganshire, which he founded circa 518, became famous as a centre of learning...

, who lived on the island as a hermit for seven years. His friend, Saint Gildas
Gildas
Gildas was a 6th-century British cleric. He is one of the best-documented figures of the Christian church in the British Isles during this period. His renowned learning and literary style earned him the designation Gildas Sapiens...

 lived at the same time on nearby Steep Holm
Steep Holm
Steep Holm is an English island lying in the Bristol Channel. The island covers at high tide, expanding to at mean low water. At its highest point it is above mean sea level. It lies within the historic boundaries of Somerset and administratively, it forms part of North Somerset...

, and the two sometimes met up for prayers. Gildas left the island to become Abbot of Glastonbury.

In June 1815, a Dr Thomas Turner visited Flat Holm in a small boat and was stranded for a week due to high winds. He discovered two Christian
Christian
A Christian is a person who adheres to Christianity, an Abrahamic, monotheistic religion based on the life and teachings of Jesus of Nazareth as recorded in the Canonical gospels and the letters of the New Testament...

 graves located close together in a field 23 m (75 ft) northeast of the island's present farmhouse; one grave had been opened and contained a male skeleton. The open grave's headstone was made of purbeck marble
Purbeck Marble
Purbeck Marble is a fossiliferous limestone quarried in the Isle of Purbeck, a peninsula in south-east Dorset, England.It is one of many kinds of Purbeck Limestone, deposited in the late Jurassic or early Cretaceous periods....

 and engraved with a Celtic cross
Celtic cross
A Celtic cross is a symbol that combines a cross with a ring surrounding the intersection. In the Celtic Christian world it was combined with the Christian cross and this design was often used for high crosses – a free-standing cross made of stone and often richly decorated...

, but had since broken in two. A second disturbed grave, also marked with a headstone, was found to the southeast and contained a coffin constructed with iron bolts. Inside the coffin were two skeletons which had been doused in lime, indicating that the occupants had probably died from a contagious disease
Contagious disease
A contagious disease is a subset category of infectious diseases , which are easily transmitted by physical contact with the person suffering the disease, or by their secretions or objects touched by them....

.

Anglo-Saxon and medieval

Anglo-Saxons
Anglo-Saxons
Anglo-Saxon is a term used by historians to designate the Germanic tribes who invaded and settled the south and east of Great Britain beginning in the early 5th century AD, and the period from their creation of the English nation to the Norman conquest. The Anglo-Saxon Era denotes the period of...

 called the island Bradanreolice. Reolice derives from an Irish word meaning churchyard or graveyard, alluding to the belief that the island had religious significance as a place of burial to people at the time. However, the island's current name of "Holm" comes from the Old Norse
Old Norse
Old Norse is a North Germanic language that was spoken by inhabitants of Scandinavia and inhabitants of their overseas settlements during the Viking Age, until about 1300....

 meaning "island in an estuary". Records indicate that a Viking
Viking
The term Viking is customarily used to refer to the Norse explorers, warriors, merchants, and pirates who raided, traded, explored and settled in wide areas of Europe, Asia and the North Atlantic islands from the late 8th to the mid-11th century.These Norsemen used their famed longships to...

 fleet from the south of Brittany
Brittany
Brittany is a cultural and administrative region in the north-west of France. Previously a kingdom and then a duchy, Brittany was united to the Kingdom of France in 1532 as a province. Brittany has also been referred to as Less, Lesser or Little Britain...

 led by two earls, Other and Hroald, took refuge on the island following their defeat by the Saxons
Saxons
The Saxons were a confederation of Germanic tribes originating on the North German plain. The Saxons earliest known area of settlement is Northern Albingia, an area approximately that of modern Holstein...

 at Watchet
Watchet
Watchet is a harbour town and civil parish in the English county of Somerset, with an approximate population of 4,400. It is situated west of Bridgwater, north-west of Taunton, and east of Minehead. The parish includes the hamlet of Beggearn Huish...

.

The Anglo-Saxon Chronicle
Anglo-Saxon Chronicle
The Anglo-Saxon Chronicle is a collection of annals in Old English chronicling the history of the Anglo-Saxons. The original manuscript of the Chronicle was created late in the 9th century, probably in Wessex, during the reign of Alfred the Great...

 records that in 1067, Gytha Thorkelsdóttir
Gytha Thorkelsdóttir
Gytha Thorkelsdottir , also called Githa, was the daughter of Thorgil Sprakling . She married the Anglo-Saxon nobleman Godwin of Wessex....

, mother of Harold II
Harold Godwinson
Harold Godwinson was the last Anglo-Saxon King of England.It could be argued that Edgar the Atheling, who was proclaimed as king by the witan but never crowned, was really the last Anglo-Saxon king...

, the last Anglo-Saxon king of England, stayed on the island before travelling to St Omer
Saint-Omer
Saint-Omer , a commune and sub-prefecture of the Pas-de-Calais department west-northwest of Lille on the railway to Calais. The town is named after Saint Audomar, who brought Christianity to the area....

 in France after the Norman invasion of Britain. After the invasion, Lord Robert Fitzhamon
Robert Fitzhamon
Robert Fitzhamon , or Robert FitzHamon, Sieur de Creully in the Calvados region and Torigny in the Manche region of Normandy, was Lord of Gloucester and the Norman conqueror of Glamorgan, southern Wales...

, a cousin of William the Conqueror, formed the Shire of Glamorgan
Glamorgan
Glamorgan or Glamorganshire is one of the thirteen historic counties and a former administrative county of Wales. It was originally an early medieval kingdom of varying boundaries known as Glywysing until taken over by the Normans as a lordship. Glamorgan is latterly represented by the three...

 in Wales proper, with Cardiff Castle
Cardiff Castle
Cardiff Castle is a medieval castle and Victorian architecture Gothic revival mansion, transformed from a Norman keep erected over a Roman fort in the Castle Quarter of Cardiff, the capital of Wales. The Castle is a Grade I Listed Building.-The Roman fort:...

 at the centre of his new domain. Flat Holm came within the parish boundary of St Mary's, one of Cardiff's two parish churches, and was kept as a hereditary property of the Norman
Normans
The Normans were the people who gave their name to Normandy, a region in northern France. They were descended from Norse Viking conquerors of the territory and the native population of Frankish and Gallo-Roman stock...

 Lords of Glamorgan.

A survey by archaeologist Howard Thomas in 1979 unearthed a number of medieval potsherds in the vicinity of the farmhouse and found evidence of continuous occupation of the island including midden
Midden
A midden, is an old dump for domestic waste which may consist of animal bone, human excrement, botanical material, vermin, shells, sherds, lithics , and other artifacts and ecofacts associated with past human occupation...

s containing numerous animal bones along with oyster and cockle
Cockle (bivalve)
Cockle is the common name for a group of small, edible, saltwater clams, marine bivalve molluscs in the family Cardiidae.Various species of cockles live in sandy sheltered beaches throughout the world....

 shells. Fragments of green glazed jugs and flagons from the late 12th to 13th century and shards of pottery from the 14th century were also found on the island. The presence of Pennant sandstone
Sandstone
Sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains.Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust. Like sand, sandstone may be any colour, but the most common colours are tan, brown, yellow,...

 roofing tiles and a fragment of a 14th-century glazed ridge tile indicate the existence of a substantial medieval building, possibly a chapel, demolished when the present farmhouse was constructed. Property records from 1542 show that King Henry VIII granted a lease to farm the island to a gentleman by the name of Edmund Tournor. His family remained on Flat Holm until the end of the 17th century when the lease passed to Joseph Robins.

18th Century - smuggling

During the 18th century, the island's location made it an ideal base for smuggling
Smuggling
Smuggling is the clandestine transportation of goods or persons, such as out of a building, into a prison, or across an international border, in violation of applicable laws or other regulations.There are various motivations to smuggle...

. It has been alleged that an old mine shaft on the north side of the island connects with a series of natural tunnels, and a concealed exit to the sea. Although Flat Holm was in full view of both the Welsh and English coasts, customs
Customs
Customs is an authority or agency in a country responsible for collecting and safeguarding customs duties and for controlling the flow of goods including animals, transports, personal effects and hazardous items in and out of a country...

 authorities were powerless to act as they had no boat to take them to the island. According to tradition, a small cave in the east cliff at Flat Holm was used for the storage of contraband, mainly tea and brandy.

19th Century - Seafarer's Mission and Marconi

In 1835, clergyman John Ashley
John Ashley (clergyman)
The Reverend Doctor John Ashley was an Anglican priest.In 1835 he was on the shore at Clevedon with his son who asked him how the people on Flat Holm could go to church. For the next three months Ashley voluntarily ministered to the population of the island...

 from Clevedon
Clevedon
Clevedon is a town and civil parish in the unitary authority of North Somerset, which covers part of the ceremonial county of Somerset, England...

, England voluntarily ministered to the population of the island. Ashley created the Bristol Channel Mission in order to serve seafarers on the 400 sailing vessels which used the Bristol Channel
Bristol Channel
The Bristol Channel is a major inlet in the island of Great Britain, separating South Wales from Devon and Somerset in South West England. It extends from the lower estuary of the River Severn to the North Atlantic Ocean...

. The mission would later become the Mission to Seafarers
Mission to Seafarers
The Mission to Seafarers is an international not-for-profit charity serving sailor sailors in over 230 ports around the world. It is supported entirely by donations from the public, whose generosity has funded its work for more than a century and a half...

, which still provides ministerial services to sailors in over 300 ports. A service is held annually to bless the island.

On 13 May 1897, a 22-year-old Italian inventor named Guglielmo Marconi
Guglielmo Marconi
Guglielmo Marconi was an Italian inventor, known as the father of long distance radio transmission and for his development of Marconi's law and a radio telegraph system. Marconi is often credited as the inventor of radio, and indeed he shared the 1909 Nobel Prize in Physics with Karl Ferdinand...

, assisted by a Cardiff
Cardiff
Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

 Post Office engineer named George Kemp, transmitted the first wireless
Wireless
Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications...

 signals over open sea from Flat Holm to Lavernock Point
Lavernock
Lavernock is a hamlet in the Vale of Glamorgan in Wales, lying on the coast south of Cardiff between Penarth and Sully, and overlooking the Bristol Channel.- Marconi and the first radio messages across open sea :...

 near Penarth
Penarth
Penarth is a town and seaside resort in the Vale of Glamorgan , Wales, 5.2 miles south west from the city centre of the Welsh capital city of Cardiff and lying on the north shore of the Severn Estuary at the southern end of Cardiff Bay...

, Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. Having failed to interest the Italian government in his project, Marconi brought his telegraphy
Telegraphy
Telegraphy is the long-distance transmission of messages via some form of signalling technology. Telegraphy requires messages to be converted to a code which is known to both sender and receiver...

 system to Britain. Here he met Welshman William Preece who was at that time Chief Engineer of the General Post Office
General Post Office
General Post Office is the name of the British postal system from 1660 until 1969.General Post Office may also refer to:* General Post Office, Perth* General Post Office, Sydney* General Post Office, Melbourne* General Post Office, Brisbane...

 and a major figure in the field. Marconi and Preece erected a 34 m (111.5 ft) high transmitting mast on Flat Holm as well as a 30 m (98.4 ft) receiving mast at Lavernock Point. The first trials on 11 May and 12 failed. On 13 May, the mast at Lavernock was raised to 50 m (164 ft) and the signals were received clearly. The message sent by Morse Code
Morse code
Morse code is a method of transmitting textual information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment...

 was "Are you ready"; the original paper Morse slip, signed by both Marconi and Kemp, is now in the National Museum of Wales.

The island made communication history again on 8 October 2002, by becoming one of the first areas of South Wales to link to the Internet through a wireless connection deployed by Cardiff Council as part of the Flat Holm Project. The connection is used for Internet, access to Cardiff Council's data network and VOIP telephony. There are two handsets in the main farmhouse that are part of the councils own PBX thus having Cardiff dialling codes. 105 years after Marconi, Spencer Pearson an IT Consultant with Cardiff Council made the first telephone call from the island to his office at County Hall, Atlantic Wharf, Cardiff.

Shipwrecks

The treacherous conditions for ships around the island led to several shipwrecks. The British passenger vessel Tapley lost seven passengers when it became stranded on Flat Holm in January 1773 on its passage from Cork, Ireland
Cork (city)
Cork is the second largest city in the Republic of Ireland and the island of Ireland's third most populous city. It is the principal city and administrative centre of County Cork and the largest city in the province of Munster. Cork has a population of 119,418, while the addition of the suburban...

 to Bristol
Bristol
Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

.

On 23 October 1817, a British sloop
Sloop
A sloop is a sail boat with a fore-and-aft rig and a single mast farther forward than the mast of a cutter....

, William and Mary, foundered after hitting the rock islands near Flat Holm known as The Wolves
The Wolves
The Wolves are two rocks just over a mile northwest of the island of Flat Holm in the Bristol Channel. They measure approximately 25 metres by 20 metres and were responsible for the wrecking of at least two ships:...

. The ship was en route from Bristol to Waterford
Waterford
Waterford is a city in the South-East Region of Ireland. It is the oldest city in the country and fifth largest by population. Waterford City Council is the local government authority for the city and its immediate hinterland...

 and sank within fifteen minutes. The Mate
Sub-Lieutenant
Sub-lieutenant is a military rank. It is normally a junior officer rank.In many navies, a sub-lieutenant is a naval commissioned or subordinate officer, ranking below a lieutenant. In the Royal Navy the rank of sub-lieutenant is equivalent to the rank of lieutenant in the British Army and of...

, John Outridge, and two sailors made off in the only lifeboat. Fifteen survivors were later rescued, having clung to the ship's rigging, but fifty-four other passengers were lost. Fifty of the bodies were recovered from the ship and were buried on Flat Holm.

In 1938, the steamship Norman Queen ran ashore on Flat Holm but was refloated, and in 1941 the steamship Middlesex was lost.

Geography

Flat Holm is located in the Bristol Channel
Bristol Channel
The Bristol Channel is a major inlet in the island of Great Britain, separating South Wales from Devon and Somerset in South West England. It extends from the lower estuary of the River Severn to the North Atlantic Ocean...

. It is a small, almost circular, limestone island, approximately 620 m (2,034.1 ft) in diameter, covering 35 ha (86.5 acre). It rises in a gentle slope from the exposed western rocky shore to more sheltered easterly cliffs, at the top of which stands the prominent lighthouse. At its highest point it is 32 m (105 ft) above sea level. Flat Holm is considered to be part of Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

, whereas the nearby island of Steep Holm
Steep Holm
Steep Holm is an English island lying in the Bristol Channel. The island covers at high tide, expanding to at mean low water. At its highest point it is above mean sea level. It lies within the historic boundaries of Somerset and administratively, it forms part of North Somerset...

 is considered part of England. About 1.3 km (0.807784557644749 mi) northwest of Flat Holm are two very small islands collectively known as The Wolves
The Wolves
The Wolves are two rocks just over a mile northwest of the island of Flat Holm in the Bristol Channel. They measure approximately 25 metres by 20 metres and were responsible for the wrecking of at least two ships:...

, measuring approximately 25 m (82 ft) by 20 m (65.6 ft).

The tidal range
Tidal range
The tidal range is the vertical difference between the high tide and the succeeding low tide. Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth...

 in the Bristol Channel is 15 m (49.2 ft); second only to Bay of Fundy
Bay of Fundy
The Bay of Fundy is a bay on the Atlantic coast of North America, on the northeast end of the Gulf of Maine between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine...

 in Eastern Canada
Eastern Canada
Eastern Canada is generally considered to be the region of Canada east of Manitoba, consisting of the following provinces:* New Brunswick* Newfoundland and Labrador* Nova Scotia* Ontario* Prince Edward Island* Quebec...

.

Geology

During much of the most recent ice ages
Quaternary glaciation
Quaternary glaciation, also known as the Pleistocene glaciation, the current ice age or simply the ice age, refers to the period of the last few million years in which permanent ice sheets were established in Antarctica and perhaps Greenland, and fluctuating ice sheets have occurred elsewhere...

, from 1.8 million years ago, the sea level in the Severn Estuary
Severn Estuary
The Severn Estuary is the estuary of the River Severn, the longest river in Great Britain. Its high tidal range means it has been at the centre of discussions in the UK regarding renewable energy.-Geography:...

 was some 50 m (164 ft) below the current level and Flat Holm was joined to the Somerset coast as an extremity of the Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

. Sometime since the start of the Mesolithic
Mesolithic
The Mesolithic is an archaeological concept used to refer to certain groups of archaeological cultures defined as falling between the Paleolithic and the Neolithic....

 period, 15,000 years ago, the ice sheets retreated, and the flat plains surrounding the river estuary flooded; the hilltops of Mendip Hills became the islands of Flat Holm and Steep Holm
Steep Holm
Steep Holm is an English island lying in the Bristol Channel. The island covers at high tide, expanding to at mean low water. At its highest point it is above mean sea level. It lies within the historic boundaries of Somerset and administratively, it forms part of North Somerset...

.

Flat Holm and Steep Holm form a link with the carboniferous
Carboniferous
The Carboniferous is a geologic period and system that extends from the end of the Devonian Period, about 359.2 ± 2.5 Mya , to the beginning of the Permian Period, about 299.0 ± 0.8 Mya . The name is derived from the Latin word for coal, carbo. Carboniferous means "coal-bearing"...

 limestones of the west of England, Sully Island
Sully Island
Sully Island is a small tidal island at the hamlet of Swanbridge, Vale of Glamorgan, four hundred and fifty metres off the northern coast of the Bristol Channel, midway between the towns of Penarth and Barry and 7 miles south of the Welsh capital city of Cardiff...

 and Barry, Wales. Part of the island is designated a Geological Conservation Review
Geological Conservation Review
The Geological Conservation Review is produced by the UK's Joint Nature Conservation Committee and is designed to identify those sites of national and international importance needed to show all the key scientific elements of the geological and geomorphological features of Britain...

 (GCR) Site and is a recognised Site of Special Scientific Interest
Site of Special Scientific Interest
A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 (SSSI). The GCR and SSSI interest lies along the south-western shoreline from the north west point to Lighthouse Point where a wave cut portion of the limestone displays large fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

 "ripple marks".

There are argentiferous (i.e. silver-bearing) galena
Galena
Galena is the natural mineral form of lead sulfide. It is the most important lead ore mineral.Galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal system often showing octahedral forms...

 deposits on Flat Holm; the pits and mounds visible on the surface of the island are a result of trial borings
Boring (earth)
Boring is drilling a hole, tunnel, or well in the earth.-Earth boring:Boring is used for a wide variety of applications in geology, agriculture, hydrology, civil engineering, and oil and natural gas industries...

. A dispute over lead mining rights in the 1780s ended with John Stuart, Lord Mount Stuart making an official complaint that the lighthouse keeper was using the coals intended for the lighthouse for processing lead. Mining for lead was not profitable, however, and the works were abandoned. Red marl
Marl
Marl or marlstone is a calcium carbonate or lime-rich mud or mudstone which contains variable amounts of clays and aragonite. Marl was originally an old term loosely applied to a variety of materials, most of which occur as loose, earthy deposits consisting chiefly of an intimate mixture of clay...

 from the Triassic
Triassic
The Triassic is a geologic period and system that extends from about 250 to 200 Mya . As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic are marked by major extinction events...

 period fills joints in the carboniferous limestone showing evidence of karstic (cave forming) processes during this period. Caves on the western and north-eastern sides of the island were used during the years of smuggling
Smuggling
Smuggling is the clandestine transportation of goods or persons, such as out of a building, into a prison, or across an international border, in violation of applicable laws or other regulations.There are various motivations to smuggle...

.

Lighthouse and foghorn station

Flat Holm Lighthouse is 30 m (98.4 ft) high and 50 m (164 ft) above mean high water. It has a 100 watt lamp that flashes white and red every ten seconds, with a range of up to 56 km (30.2 nmi).

The first light on the island was a simple brazier
Brazier
A brazier is a container for fire, generally taking the form of an upright standing or hanging metal bowl or box. Used for holding burning coal as well as fires, a brazier allows for a source of light, heat, or cooking...

 mounted on a wooden frame, which stood on the high eastern part of the island. In 1733 the Society of Merchant Venturers
Society of Merchant Venturers
The Society of Merchant Venturers is a private entrepreneurial and charitable organisation in the English city of Bristol, which dates back to the 13th century...

 of Bristol found the brazier to be unreliable and petitioned the General Lighthouse Authority
General Lighthouse Authority
A General Lighthouse Authority is a dedicated Government Agency of a Country or Nation tasked with and responsible for the provision and maintenance of lighthouses, lightvessels, navigational aids and any other equipment or facilities which ensure the safety of mariners and sailors navigating the...

, Trinity House
Trinity House
The Corporation of Trinity House of Deptford Strond is the official General Lighthouse Authority for England, Wales and other British territorial waters...

, for an actual lighthouse, but the petition failed. In 1735 Mr. William Crispe of Bristol submitted a proposal to build a lighthouse at his own expense. This initial proposal also failed but negotiations resumed in 1736 when 60 soldiers drowned after their vessel crashed on the Wolves rocks near Flat Holm. Following this disaster, the Society of Merchant Venturers
Society of Merchant Venturers
The Society of Merchant Venturers is a private entrepreneurial and charitable organisation in the English city of Bristol, which dates back to the 13th century...

 finally supported William Crispe's proposal. Crispe agreed to pay £800 (£110,552, $220,241 in 2008) for the construction of the tower as well as the fees permits. The construction of the tower finished in 1737 and it began operating on 25 March 1738.
The lighthouse was struck by lightning in a severe storm on 22 December 1790. The keeper
Lighthouse keeper
A lighthouse keeper is the person responsible for tending and caring for a lighthouse, particularly the light and lens in the days when oil lamps and clockwork mechanisms were used. Keepers were needed to trim the wicks, replenish fuel, wind clockworks and perform maintenance tasks such as cleaning...

 narrowly escaped but the top of the tower was severely damaged. A 10 ft (3 m) tall crack on the side had to be repaired as did the oak beams supporting the top platform. In 1819, the circular stone tower was updated to house a more powerful lantern; the tower was raised from 21 m (68.9 ft) to 27 m (88.6 ft). A clockwork mechanism to rotate the light was installed in 1881. Flat Holm Lighthouse was the last signal station in the country in private ownership. In July 1822, Trinity House finally bought the lease for £15,838.10 (£1.2 million, $2.4 million in 2008). Two years later a fountain oil lamp was installed and the lantern was raised by another 1.5 m (4.9 ft). In 1867 a lantern 4 m (13.1 ft) in diameter was installed. The lighthouse was renovated in 1929 to include accommodations for up to four keepers. This lasted until 1988, when the lighthouse became fully automated and the keepers were withdrawn. In 1997, the light was modernised and converted to solar power. It is now monitored and controlled by the Trinity House Operations Control Centre at Harwich
Harwich
Harwich is a town in Essex, England and one of the Haven ports, located on the coast with the North Sea to the east. It is in the Tendring district. Nearby places include Felixstowe to the northeast, Ipswich to the northwest, Colchester to the southwest and Clacton-on-Sea to the south...

, in Essex
Essex
Essex is a ceremonial and non-metropolitan county in the East region of England, and one of the home counties. It is located to the northeast of Greater London. It borders with Cambridgeshire and Suffolk to the north, Hertfordshire to the west, Kent to the South and London to the south west...

.

Built by Trinity House
Trinity House
The Corporation of Trinity House of Deptford Strond is the official General Lighthouse Authority for England, Wales and other British territorial waters...

 in 1906, the Foghorn
Foghorn
A foghorn or fog signal or fog bell is a device that uses sound to warn vehicles of hazards or boats of the presence of other vehicles in foggy conditions. The term is most often used in relation to marine transport...

 building is a Grade II listed building. The siren was originally powered by a 15 hp engine, which gave two blasts in quick succession at two-minute intervals that could be clearly heard by people living on both coasts. Volunteers from the Flat Holm Society, with help from the Prince's Trust, restored the horn and engines in the 1960s. The Foghorn Station was officially reopened by the Welsh Secretary
Secretary of State for Wales
The Secretary of State for Wales is the head of the Wales Office within the British cabinet. He or she is responsible for ensuring Welsh interests are taken into account by the government, representing the government within Wales and overseeing the passing of legislation which is only for Wales...

 and the Welsh Assembly First Secretary
First Minister for Wales
The First Minister of Wales is the leader of the Welsh Government, Wales' devolved administration, which was established in 1999. The First Minister is responsible for the exercise of functions by the Cabinet of the Welsh Government; policy development and coordination; relationships with the...

 in May 2000 when the foghorn was sounded for the first time since 1988.

Farm House

Records show that monks from St Augustine's Abbey
St Augustine's Abbey
St Augustine's Abbey was a Benedictine abbey in Canterbury, Kent, England.-Early history:In 597 Saint Augustine arrived in England, having been sent by Pope Gregory I, on what might nowadays be called a revival mission. The King of Kent at this time was Æthelberht, who happened to be married to a...

 in Bristol
Bristol
Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

 established a dairy farm and grange on the island after Flat Holm was granted to them by Robert, Earl of Gloucester in 1150. Dr Thomas Turner, who was stranded on Flat Holm during a visit in 1815, passed the time by exploring the island. He noted that the tax-exempt abbey farm was prospering and counted "seven cows, two bulls, five sheep, one horse, two pigs and two dogs". The 1881 census record for Flat Holm shows that the farmhouse was later occupied by Henry and Emily Morgan, their four sons and four daughters, a governess (Henry's niece) and Emma Craddock, a 14-year-old servant. In 1897 the farmhouse was converted into The Flat Holm Hotel, and a bar and skittle alley were added, but the hotel closed after a few years. The farmhouse has been renovated by the Flat Holm Project and is now used as accommodation for visitors staying on the island.

Batteries and barracks

Flat Holm was fortified in the 1860s following a visit by Queen Victoria and Prince Albert
Prince Albert
Prince Albert was the husband and consort of Queen Victoria.Prince Albert may also refer to:-Royalty:*Prince Albert Edward or Edward VII of the United Kingdom , son of Albert and Victoria...

 to France, where they had been concerned by the strength of the French Navy. The Royal Commission on the Defence of the United Kingdom
Royal Commission on the Defence of the United Kingdom
In 1859 Lord Palmerston instigated the Royal Commission on the Defence of the United Kingdom because of serious concerns that France might attempt to invade the UK...

, under direction of Lord Palmerston, recommended fortification of the coast in 1865. The defences on the island, which became part of a line of defences known as the Palmerston Forts
Palmerston Forts, Bristol Channel
The Palmerston Forts along the Bristol Channel include:*Brean Down Fort, Weston-super-Mare*Flat Holm Battery, Flat Holm*Lavernock Battery, Penarth*Nell's Point Battery, Barry Island*Steep Holm Battery, Steep Holm...

, were completed in 1869.

Flat Holm Battery is a series of gun emplacements on Flat Holm built to protect Bristol
Bristol
Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

 and Cardiff
Cardiff
Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

 across the channel. There are remains of four battery sites on the island:



These four emplacements run from the northern to the southern point of the island, along the western coast. Nine Rifled muzzle loaders (RMLs) on disappearing Moncrieff carriages
Disappearing gun
A disappearing gun is a type of heavy artillery for which the gun carriage enabled the gun to rotate backwards and down into a pit protected by a wall or a bunker after it was fired...

 were built at the Royal Gun Foundry
Royal Arsenal
The Royal Arsenal, Woolwich, originally known as the Woolwich Warren, carried out armaments manufacture, ammunition proofing and explosives research for the British armed forces. It was sited on the south bank of the River Thames in Woolwich in south-east London, England.-Early history:The Warren...

, Woolwich
Woolwich
Woolwich is a district in south London, England, located in the London Borough of Greenwich. The area is identified in the London Plan as one of 35 major centres in Greater London.Woolwich formed part of Kent until 1889 when the County of London was created...

. They were mounted in four separate batteries, all in Moncrieff pits, 2 m (7 ft) in diameter and 3 m (10 ft) deep, constructed of limestone blocks and bricks. These pits had the advantage of being almost invisible to shipping and also offered protection to the gun crews. The RML 7 inch 7 ton guns were too heavy for mobile land service. They consisted of a steel rifle tube surrounded by wrought iron coils, and cascabel
Cascabel (artillery)
A cascabel is a subassembly of a muzzle loading cannon - a place to attach arresting ropes to deal with the recoil of firing the cannon.Generally comprising the knob and the neck , with particular models also featuring a filet . By some definitions, the cascabel additionally includes the base of...

, with an overall length of each gun is 361 centimetres (142 in). They used a 52.3 kg (115.3 lb) Palliser shell
Palliser shot
Palliser shot was invented by Sir William Palliser and hence its name. It was an early British armour-piercing artillery projectile, intended to pierce the armour protection of warships being developed in the second half of the 19th century.-History:...

 and were mounted on the Moncrieff disappearing carriage. The guns were never needed and were fired only for test purposes.
In 1869, stone barracks were built to sleep up to 50 men. However, the 1881 Census for Flat Holm shows that the barracks were occupied only by the Master Gunner, Thomas Barrett, his family, and five soldiers. Barrett's son, Albert, was born on the island on 31 December 1881. The men were stationed on the island to keep the guns in good working order but the garrison would have been reinforced by regular artillery and volunteer troops if ever an invasion had been imminent. The barracks for the battery were located near the southernmost battery emplacement. Other fortifications included a large drainage basin, underground storage tank, an administrative building and a secure store. A "ditch-and-bank" system served to protect the Lighthouse Battery from cross-island attack. The barracks were vacated in 1901 and the buildings have now been restored by the Flat Holm Project for educational use.

Radar station

At the outbreak of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 over 350 soldiers of the Royal Artillery
Royal Artillery
The Royal Regiment of Artillery, commonly referred to as the Royal Artillery , is the artillery arm of the British Army. Despite its name, it comprises a number of regiments.-History:...

 were stationed on the island. Flat Holm was re-armed with four 4.5-inch guns and associated searchlights for anti-aircraft and close defence, together with two 40mm Bofors guns. A GL (Gun Laying) Mk II radar
Radar
Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...

 station was also placed in the centre of the island. The structures formed part of the Fixed Defences, and protected the Atlantic shipping convoys between Cardiff, Barry, and Flat Holm. These works were abandoned after the war and the island has had no military use since. Flat Holm's helipad
Helipad
Helipad is a common abbreviation for helicopter landing pad, a landing area for helicopters. While helicopters are able to operate on a variety of relatively flat surfaces, a fabricated helipad provides a clearly marked hard surface away from obstacles where a helicopter can safely...

 still remains, however, at the centre of the island.

Isolation hospital

In July 1883, the steamship Rishanglys left three seamen on the island who were believed to be suffering from cholera
Cholera
Cholera is an infection of the small intestine that is caused by the bacterium Vibrio cholerae. The main symptoms are profuse watery diarrhea and vomiting. Transmission occurs primarily by drinking or eating water or food that has been contaminated by the diarrhea of an infected person or the feces...

, one of whom subsequently died. The only accommodation was a canvas tent, and the regular inhabitants of the island petitioned Cardiff council for compensation, complaining of loss of income from visitors and difficulty in selling vegetables grown on their farm at the market in Cardiff. In 1896, the Marquis of Bute, then-owner of Flat Holm, agreed to lease all the land that was not already in use by the military or the lighthouse to the Cardiff Corporation for £50 per year. The corporation then built a permanent sanatorium
Sanatorium
A sanatorium is a medical facility for long-term illness, most typically associated with treatment of tuberculosis before antibiotics...

 on the land for use by cholera
Cholera
Cholera is an infection of the small intestine that is caused by the bacterium Vibrio cholerae. The main symptoms are profuse watery diarrhea and vomiting. Transmission occurs primarily by drinking or eating water or food that has been contaminated by the diarrhea of an infected person or the feces...

 patients. The building was described in The Lancet
The Lancet
The Lancet is a weekly peer-reviewed general medical journal. It is one of the world's best known, oldest, and most respected general medical journals...

as a "pavilion" comprising two six-bed wards and a nurse's room. In 1893, three more sailors arrived in Cardiff
Cardiff
Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

 from Marseilles on the SS Blue Jacket and were suspected of having cholera. The first engineer, Thomas Smith, and able seaman Robert Doran, were deported to the isolation hospital on Flat Holm to prevent spread of the disease. The second mate, P. J. Morris, was also sent to the island as a precautionary measure, but quickly recovered. The Flat Holm sanatorium is unique in being the only Victorian isolation hospital sited on a British offshore island. The last patient to die in the hospital, a victim of bubonic plague
Bubonic plague
Plague is a deadly infectious disease that is caused by the enterobacteria Yersinia pestis, named after the French-Swiss bacteriologist Alexandre Yersin. Primarily carried by rodents and spread to humans via fleas, the disease is notorious throughout history, due to the unrivaled scale of death...

, was cremated on the island at the end of the 19th century. The hospital finally closed in 1935 and has remained derelict since. Both the hospital main block and laundry block are Grade II listed buildings and are on the Buildings at Risk Register.

Flat Holm Project

In 1975, the South Glamorgan
South Glamorgan
South Glamorgan is a preserved county of Wales.It was originally formed in 1974 under the Local Government Act 1972, as a county council area...

 County Council leased the island for the next 99 years. In March 1995, the county council agreed to obtain Flat Holm through a 50-year lease from the Crown Estate
Crown Estate
In the United Kingdom, the Crown Estate is a property portfolio owned by the Crown. Although still belonging to the monarch and inherent with the accession of the throne, it is no longer the private property of the reigning monarch and cannot be sold by him/her, nor do the revenues from it belong...

 starting on 12 December
1995. Flat Holm is now designated as a Local Nature Reserve
Local Nature Reserve
Local nature reserve or LNR is a designation for nature reserves in the United Kingdom. The designation has its origin in the recommendations of the Wild Life Conservation Special Committee which established the framework for nature conservation in the United Kingdom and suggested a national suite...

, as stipulated in that lease. It is managed by the Cardiff
Cardiff
Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

 Council as The Flat Holm Project. The project team operates the Lewis Alexander, a boat which was purpose-built for the crossing to Flat Holm and which is able to carry up to 45 passengers and essential supplies to the island. The work of the Flat Holm Project is supported by the registered charity the Flat Holm Society.

Flora and fauna

Flat Holm was designated a Site of Special Scientific Interest
Site of Special Scientific Interest
A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 (SSSI) in 1972. The designation covers the maritime grassland
Maritime cliff communities in the British National Vegetation Classification system
This article gives an overview of the maritime cliff communities in the British National Vegetation Classification system.-Introduction:The maritime cliff communities of the NVC were described in Volume 5 of British Plant Communities, first published in 2000, along with the other maritime...

 which is mainly concentrated around the edges of the island.

There are no endemic plant species but the relative isolation of the island has allowed a number of hardy species such as Bird's-foot Trefoil
Lotus corniculatus
Lotus corniculatus is a common flowering plant native to grassland temperate Eurasia and North Africa. The common name is Bird's-foot Trefoil , though the common name is often also applied to other members of the genus...

 (Lotus corniculatus) and Biting Stonecrop
Sedum acre
Sedum acre, commonly known as the Goldmoss Stonecrop, Goldmoss Sedum, Biting Stonecrop, Wallpepper, and the picturesque name Welcome home husband though never so drunk, is a perennial plant native to Europe, but also naturalised in North America. This plant grows as a creeping ground cover, often...

 (Sedum acre) to thrive. There are also a number of relatively rare plants, such as Rock Sea-Lavender
Limonium binervosum
Limonium binervosum, commonly known as the Rock Sea Lavender, is an aggregate species in the family Plumbaginaceae.Despite the common name, Rock Sea Lavender is not related to the lavenders or to rosemary but is a perennial herb with small violet-blue flowers with five petals in clusters..Eight...

 (Limonium binervosum), and Wild Leek
Wild leek
Allium tricoccum — known as the ramp, spring onion, ramson, wild leek, wild garlic, and, in French, ail sauvage and ail des bois — is an early spring vegetable, a perennial wild onion. It has a strong garlic-like odor and a pronounced onion flavor. Ramps are found across North America, from the...

 (Allium ampeloprasum). The leek grows to 6 ft (1.8 m) and Flat Holm is one of only five places in the UK where it is found. Related to the onion, the leek has a bulb that grows for several years producing only leaves, then blooms with large purple flowers that smell of garlic. After flowering the bulb dies and produces up to 150 bulblets.

Others plants may have been introduced by the Augustinian Community for their medicinal uses. These include Dove's-foot Crane's-bill
Geranium molle
Geranium molle, the Dovesfoot Cranesbill, is an annual herbaceous plant belonging to the Geraniaceae family.-Description:Geranium molle is a small plant reaching on average in height. It is a very branched plant, quite hairy, with several ascending stems. The leaves are palmate, cut 5 to 9 times...

 Geranium molle, an anodyne
Anodyne
In medicine before the 20th century, an anodyne was a medicine that was believed to relieve or soothe pain by lessening the sensitivity of the brain or nervous system In medicine before the 20th century, an anodyne was a medicine that was believed to relieve or soothe pain by lessening the...

 plant claimed by Nicholas Culpeper
Nicholas Culpeper
Nicholas Culpeper was an English botanist, herbalist, physician, and astrologer. His published books include The English Physician and the Complete Herbal , which contain a rich store of pharmaceutical and herbal knowledge, and Astrological Judgement of Diseases from the Decumbiture of the Sick ,...

 to have a wide range of medicinal uses and an "excellent good cure for those that have inward wounds, hurts, or bruises, both to stay the bleeding, to dissolve and expel the congealed blood, and to heal the parts, as also to cleanse and heal outward sores, ulcers and fistulas". The Wild Peony
Paeonia mascula
The Wild Peony also known as the Male or Balkan Peony and sometimes referred to by the synonym Paeonia corallina is a species of peony. A herbaceous perennial plant 0.5–1.5 metres tall, the Wild Peony has leaves which are divided into three segments and large red flowers in late spring and early...

 (Paeonia mascula) was introduced to the island (and nearby Steep Holm), possibly by monks, and has naturalised. Thirty-seven plants were taken to the island from Steep Holm by Frank Harris, the farmer at the time, in the 1930s, many of which died during the World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 occupation and fortification of the island. One remaining plant was reintroduced by David Worall, the Flat Holm Warden, in 1982 and is protected by fencing near the path to the lighthouse. A few plants grown from seed also survive in the island's farmhouse garden.

The island has a significant breeding colony of over 4,000 pairs of Lesser Black-backed Gull
Lesser Black-backed Gull
The Lesser Black-backed Gull is a large gull that breeds on the Atlantic coasts of Europe. It is migratory, wintering from the British Isles south to West Africa...

s (Larus fuscus), 400 pairs of Herring Gulls (Larus argentatus), 2 pairs of Great Black-backed Gull
Great Black-backed Gull
The Great Black-backed Gull is the largest gull in the world, which breeds on the European and North American coasts and islands of the North Atlantic...

s (Larus marinus) and varying numbers of Common Shelduck
Common Shelduck
The Common Shelduck is a waterfowl species shelduck genus Tadorna. It is widespread and common in Eurasia, mainly breeding in temperate and wintering in subtropical regions; in winter, it can also be found in the Maghreb...

 (Tadorna tadorna) and Eurasian Oystercatcher
Eurasian Oystercatcher
The Eurasian Oystercatcher Haematopus ostralegus, also known as the Common Pied Oystercatcher, or just Oystercatcher, is a wader in the oystercatcher bird family Haematopodidae. It is the most widespread of the oystercatchers, with three races breeding in western Europe, central Eurasia,...

s (Haematopodidae). The feeding habits of Lesser Black-backed Gulls were studied in 1989, and it was shown that smaller clutches were laid than in previous years and that supplementary feeding did not increase egg or clutch size.

The island is also home to slow worms (Anguis fragilis). Flat Holm's slow-worm population has unusually large blue markings.

The island's rabbit
Rabbit
Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world...

 population, introduced for farming in the 12th century, suffers from myxomatosis
Myxomatosis
Myxomatosis is a disease that affects rabbits and is caused by the Myxoma virus. It was first observed in Uruguay in laboratory rabbits in the late 19th century. It was introduced into Australia in 1950 in an attempt to control the rabbit population...

, which effectively contains the numbers. The island has been grazed since 1989, initially by goats, but also by sheep since 1992. In 1997 Soay sheep
Soay sheep
The Soay sheep is a primitive breed of domestic sheep descended from a population of feral sheep on the island of Soay in the St. Kilda Archipelago, about from the Western Isles of Scotland...

 were introduced and as of 2008 there are 28 sheep grazing wild on the island.

Sustainability

The Flat Holm project aims to develop the island as a showcase of sustainable technologies. The original power supply consisted of several diesel generators at different properties and unconnected to each other. In 2006, underground cables were installed to form a ‘mini-grid’ between the farmhouse, workshops and the fog horn keeper's cottage. This was powered with a (13.5 kW) inverter/charger system located at the farmhouse with the farmhouse diesel generator as back-up.

In 2007 the system was extended to include a battery bank charged by two photovoltaic solar arrays
Photovoltaic module
A solar panel is a packaged, connected assembly of solar cells, also known as photovoltaic cells...

, and by a 6 kW wind turbine
Wind turbine
A wind turbine is a device that converts kinetic energy from the wind into mechanical energy. If the mechanical energy is used to produce electricity, the device may be called a wind generator or wind charger. If the mechanical energy is used to drive machinery, such as for grinding grain or...

 sited at a redundant telecommunications tower on the high point of the island.

Severn Barrage study

If a Severn Barrage
Severn Barrage
The Severn Barrage refers to a range of ideas for building a barrage from the English coast to the Welsh coast over the Severn tidal estuary. Ideas for damming or barraging the Severn estuary have existed since the 19th century. The building of such a barrage would be a huge engineering feat,...

 were ever to be constructed it could have consequences for Flat Holm, depending on the design and the route. A number of studies have been proposed, the latest being when John Hutton
John Hutton (Labour MP)
John Matthew Patrick Hutton, Baron Hutton of Furness is a British Labour Party politician who was the Member of Parliament for Barrow and Furness in Cumbria from 1992 to 2010, and has served in a number of Cabinet offices, including Defence Secretary and Business Secretary...

, Secretary of State for Business, Enterprise and Regulatory Reform, announced a further feasibility study on 25 September 2007 to follow on the report by the Sustainable Development Commission.

The proposal for a hydro-electric barrier to generate 8.6 GW and meet five percent of Britain's power needs, is being opposed by some environmental groups. This proposed barrage would pass two miles (3 km) west of Flat Holm. The study is expected to last at least two years and will be split into two stages with a decision point at the end of each. The first, which is likely to run until late 2008, will focus on high-level issues and reach an initial view on whether there are any fundamental issues that would preclude a tidal scheme in the Severn Estuary. Subject to the decision at the end of the first phase, the second phase will look at the issues in more detail and culminate in a full public consultation in early 2010.

In popular culture

  • In 1979 the BBC
    BBC
    The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

    's Let's Look at Wales presented by David Parry-Jones
    David Parry-Jones
    David Parry-Jones is a Welsh sports commentator and writer. He was a longtime presenter on BBC Wales Today and is a former rugby analyst for BBC Radio 5...

     featured The Bristol Channel and included the island.

  • The BBC
    BBC
    The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

    's Countryfile
    Countryfile
    Countryfile is a British magazine-style television programme produced by BBC Birmingham, first aired on 24th July 1988, which reports on rural and environmental issues within the United Kingdom. For its first 20 years it was fronted by broadcaster John Craven, until he stepped back from the role of...

    programme broadcast on 17 February 2008 featured Flat Holm and the possibility of a Severn Barrage
    Severn Barrage
    The Severn Barrage refers to a range of ideas for building a barrage from the English coast to the Welsh coast over the Severn tidal estuary. Ideas for damming or barraging the Severn estuary have existed since the 19th century. The building of such a barrage would be a huge engineering feat,...

    .

  • In the BBC TV series Torchwood
    Torchwood
    Torchwood is a British science fiction television programme created by Russell T Davies. The series is a spin-off from Davies's 2005 revival of the long-running science fiction programme Doctor Who. The show has shifted its broadcast channel each series to reflect its growing audience, moving from...

    , the March 2008 episode "Adrift
    Adrift (Torchwood)
    "Adrift" is the eleventh episode of the second series of British science fiction television series Torchwood, which was broadcast by BBC Three on 19 March 2008, and by BBC Two on 21 March 2008.-Plot:...

    " featured the island as home to a secret medical facility.

  • The BBC
    BBC
    The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

    's The One Show
    The One Show
    The One Show is a topical magazine-style daily television programme broadcast live on BBC One and BBC One HD, hosted by Alex Jones and Matt Baker. Chris Evans joins Jones to present the programme on Friday...

    broadcast on 15 May 2008 featured Miranda Krestovnikoff
    Miranda Krestovnikoff
    Miranda Jane Krestovnikoff is a British television presenter specialising in natural history and archaeological programmes. She is also a qualified diver which has led to co-presenting opportunities in programmes with an underwater element.Miranda went to The Abbey School in Reading before taking...

     travelling to the island to see its slow worms, described as "Britain’s most elusive reptile".

  • In BBC
    BBC
    The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

    's Not In My Nature broadcast by BBC One Wales on 23 June 2008, presenter Iolo Williams
    Iolo Williams
    Iolo Tudur Williams is a Welsh nature observer and television presenter, best known for his BBC and S4C nature shows.-Biography:...

    visited Flat Holm.

External links

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