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Interim Biogeographic Regionalisation for Australia (IBRA), Version 5.1 - Sub-regions

Created 03/09/2018

Updated 09/08/2023

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IBRA version 5.1 Sub-regions, like their parent regionalisation IBRA version 5.1, represent a landscape based approach to classifying the land surface of Australia from a range of continental data on environmental attributes, at a finer scale. 354 IBRA Sub-regions have been delineated, each reflecting a unifying set of major environmental influences which shape the occurrence of flora and fauna and their interaction with the physical environment. The IBRA Version 5.1 Sub-regions are the result of refinement of the IBRA Version 4 boundaries. These refined boundaries were jointly defined by the Commonwealth, State and Territory nature and conservation agencies. Following a DEH facilitated workshop on the revision of boundaries on 24 July 2000, spatial data refinements were undertaken by DEH in conjunction with relevant State / Territory agencies.

Nominal attributes for the IBRA and IBRA Sub-regions are; climate, lithology/geology, landform, vegetation, flora and fauna, and landuse. The use of these attributes varies across the States.CC - Attribution (CC BY) This data has been licensed under the Creative Commons Attribution 4.0 International Licence. © Commonwealth of Australia (Department of the Environment and Heritage) 2000

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Field Value
Title Interim Biogeographic Regionalisation for Australia (IBRA), Version 5.1 - Sub-regions
Language English
Licence Creative Commons Attribution 4.0 International
Landing Page https://data.gov.au/data/dataset/633a6cff-b80c-4ff6-a29a-f2c9c6916394
Contact Point
Australian Government Department of Climate Change, Energy, the Environment and Water
parks.metadata@environment.gov.au
Reference Period 03/09/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        112.93454,
        -43.642232
      ],
      [
        153.638314,
        -43.642232
      ],
      [
        153.638314,
        -10.015792
      ],
      [
        112.93454,
        -10.015792
      ],
      [
        112.93454,
        -43.642232
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Data.gov.au