Compare British Indian Ocean Territory (2005) - Southern Ocean (2001)

Compare British Indian Ocean Territory (2005) z Southern Ocean (2001)

	British Indian Ocean Territory (2005)	Southern Ocean (2001)

Airports	1 (2004 est.)	-
Airports - with paved runways	total: 1 over 3,047 m: 1 (2004 est.)	-
Area	total: 60 sq km land: 60 sq km water: 0 sq km note: includes the entire Chagos Archipelago	total: 20.327 million sq km note: includes Amundsen Sea, Bellingshausen Sea, part of the Drake Passage, Ross Sea, a small part of the Scotia Sea, Weddell Sea, and other tributary water bodies
Area - comparative	about 0.3 times the size of Washington, DC	slightly more than twice the size of the US
Background	Established as a territory of the UK in 1965, a number of the British Indian Ocean Territory (BIOT) islands were transferred to the Seychelles when it attained independence in 1976. Subsequently, BIOT has consisted only of the six main island groups comprising the Chagos Archipelago. The largest and most southerly of the islands, Diego Garcia, contains a joint UK-US naval support facility. All of the remaining islands are uninhabited. Former agricultural workers, earlier residents in the islands, were relocated primarily to Mauritius but also to the Seychelles, between 1967 and 1973. In 2000, a British High Court ruling invalidated the local immigration order that had excluded them from the archipelago, but upheld the special military status of Diego Garcia.	A decision by the International Hydrographic Organization in the spring of 2000 delimited a fifth world ocean - the Southern Ocean - from the southern portions of the Atlantic Ocean, Indian Ocean, and Pacific Ocean. The Southern Ocean extends from the coast of Antarctica north to 60 degrees south latitude which coincides with the Antarctic Treaty Limit. The Southern Ocean is now the fourth largest of the world's five oceans (after the Pacific Ocean, Atlantic Ocean, and Indian Ocean, but larger than the Arctic Ocean).
Climate	tropical marine; hot, humid, moderated by trade winds	sea temperatures vary from about 10 degrees Celsius to -2 degrees Celsius; cyclonic storms travel eastward around the continent and frequently are intense because of the temperature contrast between ice and open ocean; the ocean area from about latitude 40 south to the Antarctic Circle has the strongest average winds found anywhere on Earth; in winter the ocean freezes outward to 65 degrees south latitude in the Pacific sector and 55 degrees south latitude in the Atlantic sector, lowering surface temperatures well below 0 degrees Celsius; at some coastal points intense persistent drainage winds from the interior keep the shoreline ice-free throughout the winter
Coastline	698 km	17,968 km
Country name	conventional long form: British Indian Ocean Territory conventional short form: none abbreviation: BIOT	-
Dependency status	overseas territory of the UK; administered by a commissioner, resident in the Foreign and Commonwealth Office in London	-
Diplomatic representation from the US	none (overseas territory of the UK)	-
Diplomatic representation in the US	none (overseas territory of the UK)	-
Disputes - international	Mauritius and Seychelles claim the Chagos Archipelago and its former inhabitants, who reside chiefly in Mauritius, but in 2001 were granted UK citizenship and the right to repatriation since eviction in 1965; the UK resists the Chagossians' demand for an immediate return to the islands; repatriation is complicated by the exclusive US military lease of Diego Garcia that restricts access to the largest island in the chain	Antarctic Treaty defers claims (see Antarctic Treaty Summary in the Antarctica entry); sections (some overlapping) claimed by Argentina, Australia, Chile, France, New Zealand, Norway, and UK; the US and most other nations do not recognize the maritime claims of other nations and have made no claims themselves (the US and Russia have reserved the right to do so); no formal claims have been made in the sector between 90 degrees west and 150 degrees west
Economy - overview	All economic activity is concentrated on the largest island of Diego Garcia, where joint UK-US defense facilities are located. Construction projects and various services needed to support the military installations are done by military and contract employees from the UK, Mauritius, the Philippines, and the US. There are no industrial or agricultural activities on the islands. When the Ilois return, they plan to reestablish sugarcane production and fishing.	Fisheries in 1998-99 (1 July to 30 June) landed 119,898 metric tons, of which 85% was krill and 14% Patagonian toothfish. International agreements were adopted in late 1999 to reduce illegal, unreported, and unregulated fishing, which in the 1998-99 season landed five to six times more Patagonian toothfish than the regulated fishery. In the 1999-2000 antarctic summer 13,193 tourists, most of them seaborne, visited the Southern Ocean and Antarctica, compared to 10,013 the previous year. Nearly 16,000 tourists are expected during the 2000-01 season.
Electricity - consumption	NA kWh	-
Electricity - production	NA kWh; note - electricity supplied by the US military	-
Elevation extremes	lowest point: Indian Ocean 0 m highest point: unnamed location on Diego Garcia 15 m	lowest point: -7,235 m at the southern end of the South Sandwich Trench highest point: sea level 0 m
Environment - current issues	NA	increased solar ultraviolet radiation resulting from the Antarctic ozone hole in recent years, reducing marine primary productivity (phytoplankton) by as much as 15% and damaging the DNA of some fish; illegal, unreported, and unregulated fishing in recent years, especially the landing of an estimated five to six times more Patagonian toothfish than the regulated fishery, which is likely to affect the sustainability of the stock; large amount of incidental mortality of seabirds resulting from long-line fishing for toothfish note: the now-protected fur seal population is making a strong comeback after severe overexploitation in the 18th and 19th centuries
Environment - international agreements	-	the Southern Ocean is subject to all international agreements regarding the world's oceans; in addition, it is subject to these agreements specific to the Antarctic region: International Whaling Commission (prohibits commercial whaling south of 40 degrees south [south of 60 degrees south between 50 degrees and 130 degrees west]); Convention on the Conservation of Antarctic Seals (limits sealing); Convention on the Conservation of Antarctic Marine Living Resources (regulates fishing) note: many nations (including the US) prohibit mineral resource exploration and exploitation south of the fluctuating Polar Front (Antarctic Convergence) which is in the middle of the Antarctic Circumpolar Current and serves as the dividing line between the very cold polar surface waters to the south and the warmer waters to the north
Executive branch	chief of state: Queen ELIZABETH II (since 6 February 1952) head of government: Commissioner Tony CROMBIE (since January 2004); Administrator Tony HUMPHRIES (since February 2005); note - both reside in the UK cabinet: NA elections: none; the monarch is hereditary; commissioner and administrator appointed by the monarch	-
Flag description	white with six blue wavy horizontal stripes; the flag of the UK is in the upper hoist-side quadrant; the striped section bears a palm tree and yellow crown centered on the outer half of the flag	-
Geographic coordinates	6 00 S, 71 30 E	65 00 S, 0 00 E (nominally), but the Southern Ocean has the unique distinction of being a large circumpolar body of water totally encircling the continent of Antarctica; this ring of water lies between 60 degrees south latitude and the coast of Antarctica, and encompasses 360 degrees of longitude
Geography - note	archipelago of 2,300 islands; Diego Garcia, largest and southernmost island, occupies strategic location in central Indian Ocean; island is site of joint US-UK military facility	the major chokepoint is the Drake Passage between South America and Antarctica; the Polar Front (Antarctic Convergence) is the best natural definition of the northern extent of the Southern Ocean; it is a distinct region at the middle of the Antarctic Circumpolar Current that separates the very cold polar surface waters to the south from the warmer waters to the north; the Front and the Current extend entirely around Antarctica, reaching south of 60 degrees south near New Zealand and near 48 degrees south in the far South Atlantic coinciding with the path of the maximum westerly winds
Highways	total: NA km paved: short section of paved road between port and airfield on Diego Garcia unpaved: NA km	-
Irrigated land	0 sq km (1998 est.)	-
Land boundaries	0 km	-
Land use	arable land: 0% permanent crops: 0% other: 100% (2001)	-
Legal system	the laws of the UK, where applicable, apply	-
Location	archipelago in the Indian Ocean, south of India, about one-half the way from Africa to Indonesia	body of water between 60 degrees south latitude and Antarctica
Map references	Political Map of the World	Antarctic Region
Maritime claims	territorial sea: 3 nm exclusive fishing zone: 200 nm	-
Military - note	defense is the responsibility of the UK; the US lease on Diego Garcia expires in 2016	-
Natural hazards	NA	huge icebergs with drafts up to several hundred meters; smaller bergs and iceberg fragments; sea ice (generally 0.5 to 1 meter thick) with sometimes dynamic short-term variations and with large annual and interannual variations; deep continental shelf floored by glacial deposits varying widely over short distances; high winds and large waves much of the year; ship icing, especially May-October; most of region is remote from sources of search and rescue
Natural resources	coconuts, fish, sugarcane	probable large and possible giant oil and gas fields on the continental margin, manganese nodules, possible placer deposits, sand and gravel, fresh water as icebergs, squid, whales, and seals - none exploited; krill, fishes
Population	no indigenous inhabitants note: approximately 1,200 former agricultural workers resident in the Chagos Archipelago, often referred to as Chagossians or Ilois, were relocated to Mauritius and the Seychelles in the 1960s and 1970s, in November 2000 they were granted the right of return by a British High Court ruling, though no timetable has been set; in 2001, there were approximately 1,500 UK and US military personnel and 2,000 civilian contractors living on the island of Diego Garcia (July 2005 est.)	-
Ports and harbors	Diego Garcia	McMurdo, Palmer, and offshore anchorages in Antarctica note: few ports or harbors exist on the southern side of the Southern Ocean; ice conditions limit use of most of them to short periods in midsummer; even then some cannot be entered without icebreaker escort; most antarctic ports are operated by government research stations and, except in an emergency, are not open to commercial or private vessels; vessels in any port south of 60 degrees south are subject to inspection by Antarctic Treaty observers
Radio broadcast stations	AM 1, FM 2, shortwave 0 (1998)	-
Telephone system	general assessment: separate facilities for military and public needs are available domestic: all commercial telephone services are available, including connection to the Internet international: international telephone service is carried by satellite (2000)	-
Telephones - main lines in use	NA	-
Television broadcast stations	1 (1997)	-
Terrain	flat and low (most areas do not exceed four meters in elevation)	the Southern Ocean is deep, 4,000 to 5,000 meters over most of its extent with only limited areas of shallow water; the Antarctic continental shelf is generally narrow and unusually deep - its edge lying at depths of 400 to 800 meters (the global mean is 133 meters); the Antarctic icepack grows from an average minimum of 2.6 million square kilometers in March to about 18.8 million square kilometers in September, better than a sixfold increase in area; the Antarctic Circumpolar Current (21,000 km in length) moves perpetually eastward; it is the world's largest ocean current, transporting 130 million cubic meters of water per second - 100 times the flow of all the world's rivers

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