The Mitchell Grass Downs Bioregion spans 335 320 square kilometres of predominantly treeless plains from Augathella in Queensland to Elliott in the Northern Territory. While it contains some occasional ridges, rivers and gorges, it is mainly deep cracking clay soils supporting highly productive Mitchell Grass grasslands. The Mitchell Grass Downs is leasehold cattle grazing for the most part, with sheep as well in the eastern quarter. Longreach is the major town of the grasslands, whilst other centres are Isisford, Tambo, Blackall, Aramac, Muttaburra, Hughenden, Richmond, Julia Creek, Winton, Boulia, Urandangi, and Camooweal.
Threatened species across this area include the Greater Bilby (Macrotis lagotis), Julia Creek Dunnart (Sminthopsis douglasi), Elizabeth Springs Goby (Chlamydogobius micropretus), Waddy Tree (Acacia peuce), and Sal Pipewort (Eriocaulon carsanii).
Nationally important wetlands across this area include Austral Limestone Aggregation, Corella Lake, Diamantina Lakes Area, Elizabeth Springs, Eva Downs Swamp, Lake de Burgh, Lake Sylvester, Lake Woods, Tarrabool Lake, and Thorntonia Aggregation.
National Parks across this area include Astrelba Downs, Bladensburg, Camooweal Caves, Diamantina, Idalia, Lochern, and the Welford.
Source: Desert Channels Queensland.
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