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Land clearing in Australia describes the removal of native vegetation and deforestation in Australia. Land clearing involves the removal of native vegetation and habitats , including the bulldozing of native bushlands , forests , savannah , woodlands and native grasslands and the draining of natural wetlands for replacement with agriculture ...
Desertification is a type of gradual land degradation of fertile land into arid desert due ... southern Africa, and Australia". ... the solution simply requires the ...
Australia is the world's driest inhabited continent, with a significant portion covered by arid or semi-arid deserts. [citation needed] In recent years, there have been various efforts and initiatives focused on desert greening in Australia. One notable example is the "Great Green Wall" project, inspired by similar initiatives in Africa, which ...
Conservation in Australia is an issue of state and federal policy. Australia is one of the most biologically diverse countries in the world, [1] with a large portion of species endemic to Australia. Preserving this wealth of biodiversity is important for future generations. 25% of Australia is managed for conservation. [2]
Many bird species have become extinct or endangered, and many of the medium-sized desert mammals are now completely extinct or only exist on a few islands of Australia. [22] Overgrazing can also occur with native species. In the Australian Capital Territory, the local government in 2013 authorised a cull of 1455 kangaroos due to overgrazing. [23]
Australia's annual average temperatures are projected to increase 0.4–2.0 °C above 1990 levels by the year 2030, and 1–6 °C by 2070. Average precipitation in the southwest and southeast Australia is projected to decline during this time, while regions such as the northwest may experience increases in rainfall.
Australia has some of the largest mining operations in the southern hemisphere and is a major exporter of several resources that have significant environmental effects, most notably coal and uranium. Australia has the largest reserves of uranium in the world and there has been a number of enquiries on uranium mining.
By 1902, Australia's sheep population dropped from its 1891 level of 106 million to fewer than 54 million. Cattle numbers fell by more than 40 per cent. Sheep numbers did not return to 100 million until 1925. In the 1911–1915 period, Australia suffered a major drought, which failed the 1914 wheat crop. [11]