IBRA Subregion Australia Version 7.0 - PED

• Other Authors: Bioregional Assessment Program (isOwnedBy)
• Format: Dataset
• Language: unknown
• Published: data.gov.au
• Subjects: Pedirka subregion; biota; Queensland; Antarc*; Antarctica
• Online Access: https://researchdata.edu.au/ibra-subregion-australia-70-ped/1434380; http://data.gov.au/dataset/4070b161-1fca-4d23-82ed-ce2659fe8a7a

## **Abstract** \n\nThis dataset and its metadata statement were supplied to the Bioregional Assessment Programme by a third party and are presented here as originally supplied.\n\nInterim Biogeographic Regionalisation for Australia (IBRA) Version 7.0 Bioregions represents a landscape based approach to classifying the land surface of Australia. The framework was first described by Thackway and Cresswell (1995). IBRA 7.0 data consists of two hierarchical `Bioregion' datasets described as part of the regionalisation framework for Australia; 1) Regions - larger scale regional classification of homogenous ecosystems & 2) Subregions - a more localised, finer scale classification of ecosystems within the Region boundaries. Each Bioregion reflects a unifying set of major environmental influences (such as geology, landform patterns, climate & ecological features) which shape the occurrence of flora and fauna associations and their interaction with the physical environment across Australia and its external territories (excluding Antarctica). IBRA Version 7.0 describes 89 Regions and 419 Subregions and is the result of updates to the previous version, IBRA Version 6.1 This record represents Australia-wide IBRA Version 7.0 Regions and Subregions.\n\n## **Purpose** \n\nIBRA is the National Reserve System's planning framework; it was developed as a fundamental tool for identifying reservation targets towards developing a comprehensive and representative reserve system in Australia.\n\n## **Dataset History** \n\nIBRA Version 7.0 is the result of changes to certain IBRA 6.1 boundaries with edge-matching along state borders. The updated boundaries were jointly defined by the Commonwealth, State and Territory nature and conservation agencies. There have been significant changes in Queensland and South Australia. In addition the dataset was also updated to more closely conform to the Geoscience Australia (GA) 1:100K Coastline and State borders. Various sources were used to delineate islands - these included the GA 100K ...