Teän

Tean
Teän (sometimes written Tean without the diaeresis) is an uninhabited island to the north of the Isles of Scilly archipelago between Tresco, 1.5 km to the west and St Martin's 300 m to the east.wikipedia
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Diaeresis (diacritic)

diaeresisumlauttrema
Teän (sometimes written Tean without the diaeresis) is an uninhabited island to the north of the Isles of Scilly archipelago between Tresco, 1.5 km to the west and St Martin's 300 m to the east.
In English language texts it is perhaps most familiar in the spellings naïve, Noël, and Chloë, and is also used officially in the name of the island Teän.

Tresco, Isles of Scilly

TrescoGreat Pool (Tresco)Old Blockhouse
Teän (sometimes written Tean without the diaeresis) is an uninhabited island to the north of the Isles of Scilly archipelago between Tresco, 1.5 km to the west and St Martin's 300 m to the east.
The civil parish and ward covers much more than the island of Tresco: it includes uninhabited islands such as Samson (inhabited until 1855), Teän, St Helen's, Northwethel and Round Island.

Isles of Scilly

Scilly IslesScillyScilly Islands
Teän (sometimes written Tean without the diaeresis) is an uninhabited island to the north of the Isles of Scilly archipelago between Tresco, 1.5 km to the west and St Martin's 300 m to the east.

E. B. Ford

E.B. FordEdmund Brisco FordFord, E. B.
Teän was the site of groundbreaking mark-and-recapture population studies of the Common Blue (Polyommatus icarus) butterfly by entomologists E. B. Ford and Prof W. H. Dowdeswell who camped on the island from 26 August to 8 September 1938.

Formica rufibarbis

Red Barbed AntF. rufibarbis
The Red Barbed Ant has been described as ″...perhaps the rarest resident animal in mainland Britain″ with only four nests in Surrey and extinct in Cornwall (last recorded in 1907).
In the Isles of Scilly it is found on the islands of Great Ganilly, Nornour, St Martin's and Teän.

St Martin's, Isles of Scilly

St MartinChapel Down (St. Martin's)Hard Lewis
Teän (sometimes written Tean without the diaeresis) is an uninhabited island to the north of the Isles of Scilly archipelago between Tresco, 1.5 km to the west and St Martin's 300 m to the east.

Granite

graniticgranitespink granite
Approximately 16 ha in area the island consists of a series of granite tors with the highest point, Great Hill, rising to 40 m at its eastern end.

Tor (rock formation)

tortorsCarn
Approximately 16 ha in area the island consists of a series of granite tors with the highest point, Great Hill, rising to 40 m at its eastern end.

Till

glacial tilltilliteglacial deposit
The low-lying land is overlain with glacial till and outwash gravels with glacial erratics abundant on the north coast beaches which indicates the southern limit of outwash from an ice sheet for which it is designated a Geological Conservation Review site.

Glacial erratic

glacial erraticserraticerratics
The low-lying land is overlain with glacial till and outwash gravels with glacial erratics abundant on the north coast beaches which indicates the southern limit of outwash from an ice sheet for which it is designated a Geological Conservation Review site.

Geological Conservation Review

GCRGeological Conservation Review siteGeological Conservation Review sites
The low-lying land is overlain with glacial till and outwash gravels with glacial erratics abundant on the north coast beaches which indicates the southern limit of outwash from an ice sheet for which it is designated a Geological Conservation Review site.

Bronze Age Britain

Bronze AgeLate Bronze AgeBritish Bronze Age
There is evidence of occupation from the Bronze Age to the early 19th century and the island was still being grazed in 1945. One of the carns, Old Man, has an early structure, a Bronze Age entrance grave, as does Great Hill in the east of the island.

Heritage coast

Heritage coastlineHCHeritage Coasts
The island lies within both the Isles of Scilly Heritage Coast and the Isles of Scilly Area of Outstanding Natural Beauty.

Area of Outstanding Natural Beauty

AONBAreas of Outstanding Natural BeautyArea of Outstanding Beauty
The island lies within both the Isles of Scilly Heritage Coast and the Isles of Scilly Area of Outstanding Natural Beauty.

Isles of Scilly Wildlife Trust

It is managed by the Isles of Scilly Wildlife Trust which has a Higher Level Stewardship (HLS) agreement.

Environmental stewardship (England)

environmental stewardshipHigher Level StewardshipEnvironmental Stewardship scheme
It is managed by the Isles of Scilly Wildlife Trust which has a Higher Level Stewardship (HLS) agreement.

Romano-British culture

Romano-BritishRomano-BritonsRomano-Celtic
The western part of the island has low-lying ground linking granite carns, and field boundaries from the Romano-British period can be seen at extreme low tides.

Scillonian entrance grave

entrance graveentrance gravesInnisidgen Lower and Upper Burial Chambers
One of the carns, Old Man, has an early structure, a Bronze Age entrance grave, as does Great Hill in the east of the island.

Kelp

Laminarialeskelpsseaweed
A Parliamentary survey of 1652 reported one man living in a ruined house on the island and, in 1684, there was a thatched cottage between East Porth and West Porth which belonged to a Mr Nance who is reputed to have introduced kelp burning to Scilly.

Sodium carbonate

soda ashsodaNa 2 CO 3
Kelp burning provides sodium carbonate for glass making and the practice continued in the islands until 1835.

William Borlase

Dr BorlaseReverend William Borlase
His family continued to live on Teän for several more generations and by 1717 there were ten people living on the island, but in 1752 William Borlase only saw fields of corn and ruined buildings.

Site of Special Scientific Interest

notifiedbiological Site of Special Scientific InterestSites of Special Scientific Interest
The island was first notified as a Site of Special Scientific Interest in 1971 and re-notified in 1986 under the 1981 Act.

Polycarpon tetraphyllum

Four-leaved Allseed
The assessment found that the vascular plant assemblage was all recorded apart from four-leaved allseed Polycarpon tetraphyllum.

Ornithopus

Ornithopus pinnatusserradella
A key issue was lack of management for orange bird's-foot (Ornithopus pinnatus) which needs short turf, and can be addressed with the HLS agreement held by the Isles of Scilly Wildlife Trust.

Pteridium aquilinum

brackenbracken ferncommon bracken
This area, with deeper soils, is dominated by bracken (Pteridium aquilinum) and still has relic pasture plants such as rye grass (Lolium perenne), red clover (Trifolium pratense), hop trefoil (Trifolium campestre) and black knapweed (Centaurea nigra).