Australia
The Commonwealth of Australia is a country in the Southern
Hemisphere comprising the world's smallest continent and a number of
islands in the Southern, Indian and Pacific Oceans. Australia's
neighbouring countries are Indonesia, East Timor and Papua New Guinea to
the north, the Solomon Islands, Vanuatu and New Caledonia to the
north-east, and New Zealand to the south-east.
The continent of Australia has been inhabited for over
40,000 years by Indigenous Australians. After sporadic visits by fishermen
from the north and by European explorers and merchants starting in the
17th century, the eastern half of the continent was claimed by the British
in 1770 and officially settled as the penal colony of New South Wales on
26 January 1788. As the population grew and new areas were explored,
another five largely self-governing Crown Colonies were successively
established over the course of the 19th century.
On 1 January 1901, the six colonies federated and the
Commonwealth of Australia was formed. Since federation, Australia has
maintained a stable liberal democratic political system and remains a
Commonwealth Realm. The current population of around 20.4 million is
concentrated mainly in the large coastal cities of Sydney, Melbourne,
Brisbane, Perth and Adelaide.
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Australian Climate
Australia's 7,686,850 km² landmass is on the
Indo-Australian Plate. Surrounded by the Indian, Southern and Pacific
oceans, Australia is separated from Asia by the Arafura and Timor seas.
Australia has a total 25,760 km of coastline and claims an extensive
Exclusive Economic Zone of 8,148,250 km² (excluding the Australian
Antarctic Territory). Climate is highly influenced by ocean currents,
including the El Niño southern oscillation, which is correlated with
periodic drought, and the seasonal tropical low pressure system that
produces cyclones in northern Australia.
By far the largest part of Australia is desert or
semi-arid. Australia is the driest inhabited continent, the flattest, and
has the oldest and least fertile soils. Only the south-east and south-west
corners of the continent have a temperate climate. The northern part of
the country, with a tropical climate, has a vegetation consisting of
rainforest, woodland, grassland and desert. The Great Barrier Reef, the
world's largest coral reef, lies a short distance off the north-east coast
and extends for over 2,000 km. The world's two largest monoliths are
located in Australia, Mount Augustus in Western Australia is the largest
and Uluru in central Australia is the second largest. At 2,228 m, Mount
Kosciuszko on the Great Dividing Range is the highest mountain on the
Australian mainland, although Mawson Peak on the remote Australian
territory of Heard Island is taller at 2,745 m.
