Place in *Queensland *South Australia *Northern Territory *New South Wales, Australia
Lake Eyre basin
Lake Hart is one of the smaller lakes in the basin[1]
Etymology: Lake Eyre; Edward John Eyre
Map of the Lake Eyre Basin showing the major rivers
Country
Australia
States and territories
Queensland
South Australia
Northern Territory
New South Wales
Area
• Total
1,200,000 km2 (500,000 sq mi)
The Lake Eyre basin (/ɛər/AIR) is a drainage basin that covers just under one-sixth of all Australia. It is the largest endorheic basin in Australia and amongst the largest in the world, covering about 1,200,000 square kilometres (463,323 sq mi), including much of inland Queensland, large portions of South Australia and the Northern Territory, and a part of western New South Wales. The basin is also one of the largest, least-developed arid zone basins with a high degree of variability anywhere. It supports only about 60,000 people and has no major irrigation, diversions or flood-plain developments. Low density grazing that sustains a large amount of wildlife is the major land use, occupying 82% of the total land within the basin. The Lake Eyre basin of precipitation (rain water) to a great extent geographically overlaps the Great Artesian Basin underneath.
The basin began as a sinking landmass mostly covered by forest and contained many more lakes than now. The climate has changed from wet to arid over the last 60 million years. Most of the rivers in the Lake Eyre basin are now slow flowing, flat and completely dry for lengthy periods. When the country north of the basin floods, floodwaters drain via the main rivers of the basin, Cooper Creek, Georgina River and Diamantina River southwards towards Kati Thanda-Lake Eyre, the country's lowest point at 16 metres (52 ft) below sea level. The water overflows the river banks, across the floodplains, filling waterholes and wetlands and carving new channels, giving rise to the name Channel Country. Most of the rain which falls in the north never reaches the lake 1,000 km away, which only fills occasionally.
Management of the area has been problematic as it is covered by four different states' jurisdictions. As the ecological significance of the basin has become known and mismanagement of another Australian basin, the Murray-Darling Basin, became apparent during several drought cycles, it became clear that ongoing management issues had to be resolved. In 2001 the Lake Eyre Basin Intergovernmental Agreement was signed, which was set up to ensure the sustainability of the Lake Eyre Basin river systems.
In 2014, the Queensland Government changed the laws protecting the rivers and floodplains. As of 2022[update] there are fears that mining for coal seam gas could be very detrimental to the fragile environment of the floodplains.[2][3]
^"Location Showcase". South Australian Film Corporation. Retrieved 5 March 2007.
^Davey, Alistair; Pegasus Economics; Lock the Gate Alliance (3 October 2022). "Unconventional gas in the Lake Eyre Basin". Lock the Gate Alliance. Archived from the original on 9 January 2023. Retrieved 9 January 2023.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^Lowe, Ian (6 February 2022). "Emissions from potential gas development, Queensland Lake Eyre Basin". Lock the Gate Alliance. Archived from the original on 9 January 2023. Retrieved 9 January 2023.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
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Global Information![Lake Hart is one of the smaller lakes in the basin[1]](http://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Lake_Hart.jpg/250px-Lake_Hart.jpg)
