4-532: The Simpson Strzelecki Dunefields , an interim Australian bioregion , comprises 27,984,283 hectares (69,150,670 acres), and is part of four state/territories of Australia: the Northern Territory , South Australia , New South Wales and Queensland The bioregion has the code SSD . There are five subregions. This Northern Territory geography article is a stub . You can help Misplaced Pages by expanding it . This Queensland location article
8-449: Is a stub . You can help Misplaced Pages by expanding it . This South Australia geography article is a stub . You can help Misplaced Pages by expanding it . This New South Wales geography article is a stub . You can help Misplaced Pages by expanding it . Interim Biogeographic Regionalisation for Australia The Interim Biogeographic Regionalisation for Australia ( IBRA ) is a biogeographic regionalisation of Australia developed by
12-506: The World Wide Fund for Nature . Based on this system, the world is also split into 14 terrestrial habitats , of which eight are shared by Australia. The Australian land mass is divided into 89 bioregions and 419 subregions. Each region is a land area made up of a group of interacting ecosystems that are repeated in similar form across the landscape. IBRA is updated periodically based on new data, mapping improvements, and review of
16-527: The Australian government's Department of Sustainability, Environment, Water, Population, and Communities . It was developed for use as a planning tool, for example for the establishment of a national reserve system . The first version of IBRA was developed in 1993–94 and published in 1995. Within the broadest scale, Australia is a major part of the Australasia biogeographic realm, as developed by
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