Portal:Australia

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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 more than 42,000 years by Aboriginal and Torres Strait Islander peoples. After sporadic visits by European explorers and merchants from the 17th century onwards, 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 21 million is concentrated mainly in the coastal cities of Sydney, Melbourne, Brisbane, Adelaide and Perth.

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Aintree Eglinton Reserve

Hamersley is a residential suburb fourteen kilometres north-northwest of the central business district of Perth, the capital of Western Australia, and six kilometres from the Indian Ocean. The suburb adjoins two major arterial roads — Mitchell Freeway to the west and Reid Highway to the south — and is within the City of Stirling local government area. It was built during the late 1960s and 1970s as part of the Government of Western Australia's response to rapidly increasing land prices across the metropolitan area. Prior to development, Hamersley was a remote district covered in jarrah, marri, banksia and other vegetation typical of the Swan Coastal Plain, with small areas having been cleared for small-scale agriculture such as market gardening and poultry farming. Rapid growth in areas further north removed the focus from Hamersley, which was completed in 1981, remaining relatively stable since. Significant reserves of remnant bushland are retained in parts of the suburb. The guyed tower was constructed in 1939 and is a landmark in the region, although it has become a local political issue over the past decade.

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Centre pivot irrigation near Euberta in the Riverina region of New South Wales.

Irrigation in Australia is a widespread practice to supplement low rainfall levels in Australia with water from other sources to assist in the production of crops or pasture. As the driest inhabited continent, irrigation is required in many areas for production of crops for domestic and export use. Irrigation differs from dryland farming (farming relying on rainfall) in Australia in its level of intensity and production.

Photo credit: Virtual Steve

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