3-568: Geraldton Sandplains is an interim Australian bioregion of Western Australia . It has an area of 3,142,149 hectares (7,764,420 acres). The Geraldton Sandplains is part of the larger Southwest Australia savanna ecoregion, as assessed by the World Wildlife Fund . This Western Australia article is a stub . You can help Misplaced Pages by expanding it . Interim Biogeographic Regionalisation for Australia The Interim Biogeographic Regionalisation for Australia ( IBRA )
6-535: A major part of the Australasia biogeographic realm, as developed by 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
9-460: Is a biogeographic regionalisation of Australia developed by 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
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