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Climate change in the UKOTs an overview of the ... - JNCC - Defra

Climate change in the UKOTs an overview of the ... - JNCC - Defra

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isl<strong>an</strong>d also has one <strong>of</strong> <strong>the</strong> most import<strong>an</strong>t breed<strong>in</strong>g green turtle (Chelonia mydas)<br />

populations <strong>in</strong> <strong>the</strong> world.<br />

Ma<strong>in</strong> economic activities: Ascension has a USAF <strong>an</strong>d RAF military base <strong>an</strong>d hosts<br />

a number <strong>of</strong> communication comp<strong>an</strong>ies.<br />

O<strong>the</strong>r <strong>in</strong>formation: Civili<strong>an</strong>s contracted from St. Helena, <strong>the</strong> UK <strong>an</strong>d USA number<br />

approximately 1,000.<br />

The Falkl<strong>an</strong>d Isl<strong>an</strong>ds 8<br />

Size: The Falkl<strong>an</strong>d Isl<strong>an</strong>ds have a total l<strong>an</strong>d area <strong>of</strong> just over 120,000 ha which forms<br />

<strong>an</strong> archipelago <strong>of</strong> two ma<strong>in</strong> isl<strong>an</strong>ds, East <strong>an</strong>d West Falkl<strong>an</strong>ds <strong>an</strong>d about 780 smaller<br />

isl<strong>an</strong>ds <strong>an</strong>d islets.<br />

Location: Situated <strong>in</strong> <strong>the</strong> south-west region <strong>of</strong> <strong>the</strong><br />

South Atl<strong>an</strong>tic Oce<strong>an</strong> approximately 600km east <strong>of</strong><br />

<strong>the</strong> ma<strong>in</strong>l<strong>an</strong>d <strong>of</strong> South America, between latitudes<br />

51°S <strong>an</strong>d 53°S, <strong>an</strong>d longitudes 57°W <strong>an</strong>d 62°W.<br />

<strong>Climate</strong>: The Falkl<strong>an</strong>d Isl<strong>an</strong>ds have a cool<br />

temperate oce<strong>an</strong>ic climate, dom<strong>in</strong>ated by westerly<br />

w<strong>in</strong>ds <strong>an</strong>d low <strong>an</strong>nual ra<strong>in</strong>fall (450-600 mm/year).<br />

Topography: The Isl<strong>an</strong>ds are generally rugged <strong>an</strong>d hilly – <strong>the</strong> highest po<strong>in</strong>ts are<br />

Mount Usborne (705 m) on East Falkl<strong>an</strong>d <strong>an</strong>d Mount Adam (700 m) on West Falkl<strong>an</strong>d.<br />

Biodiversity: The Falkl<strong>an</strong>ds have a wealth <strong>of</strong> biodiversity. Of <strong>the</strong> 363 vascular flora<br />

species, 171 species are native <strong>an</strong>d 13 endemic. There are 13 recorded terrestrial<br />

endemic <strong>in</strong>vertebrates. The Falkl<strong>an</strong>d Isl<strong>an</strong>ds support globally signific<strong>an</strong>t numbers <strong>of</strong> a<br />

number <strong>of</strong> bird species as well as two endemic species <strong>an</strong>d 14 sub-species. These<br />

<strong>in</strong>clude vast colonies <strong>of</strong> seabirds. More th<strong>an</strong> 70% <strong>of</strong> <strong>the</strong> world population <strong>of</strong> blackbrowed<br />

albatrosses (Diomedea mel<strong>an</strong>ophris) is found here. The <strong>in</strong>shore <strong>an</strong>d <strong>of</strong>fshore<br />

environment <strong>of</strong> <strong>the</strong> Falkl<strong>an</strong>d Isl<strong>an</strong>ds support a variety <strong>of</strong> whale, dolph<strong>in</strong>, seal <strong>an</strong>d sea<br />

lion species, <strong>in</strong>clud<strong>in</strong>g at least eleven species <strong>of</strong> cetace<strong>an</strong>s listed as <strong>of</strong> global<br />

conservation concern on <strong>the</strong> IUCN red list.<br />

Ma<strong>in</strong> economic activities: Agriculture, fish<strong>in</strong>g <strong>an</strong>d tourism.<br />

O<strong>the</strong>r <strong>in</strong>formation: Population - approximately 2,900.<br />

St. Helena 9<br />

The Falkl<strong>an</strong>d Isl<strong>an</strong>ds<br />

Size: 17 km long <strong>an</strong>d 10 km wide at its largest po<strong>in</strong>t, with a l<strong>an</strong>d area <strong>of</strong> 122 sq km<br />

Location: Approximately 1,920 km from <strong>the</strong> south-west coast <strong>of</strong> Africa <strong>an</strong>d 2,900 km<br />

east <strong>of</strong> South America.<br />

<strong>Climate</strong>: St. Helena has a sub-tropical but oce<strong>an</strong>ic climate, tempered by <strong>the</strong> South-<br />

East Trade w<strong>in</strong>ds. Temperature r<strong>an</strong>ges from 14°C to 27°C .<br />

Topography: A volc<strong>an</strong>ic isl<strong>an</strong>d with a high central ridge. The highest po<strong>in</strong>t, Di<strong>an</strong>a’s<br />

Peak, rises to 823 m above sea level.<br />

8 Otley H, G. Munro, A. Clausen, <strong>an</strong>d B. Ingham. 2008. Falkl<strong>an</strong>d Isl<strong>an</strong>ds State <strong>of</strong> <strong>the</strong> Environment Report 2008. Falkl<strong>an</strong>d<br />

Isl<strong>an</strong>ds Government <strong>an</strong>d Falkl<strong>an</strong>d Isl<strong>an</strong>ds Conservation, St<strong>an</strong>ley.<br />

9 Ashmole, P <strong>an</strong>d M. Ashmole. 2000. St. Helena <strong>an</strong>d Ascension Isl<strong>an</strong>d: A Natural History. Anthony Nelson. Oswestry<br />

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