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Interim Biogeographic Regionalisation for Australia (IBRA) Version 7.1 (Subregions)

Created 24/03/2025

Updated 24/03/2025

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Interim Biogeographic Regionalisation for Australia (IBRA) version 7.1 represents a landscape based approach to classifying the land surface of Australia. 89 biogeographic regions and 419 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 across Australia and its external territories (excluding Antarctica). IBRA Version 7.1 data consists of two datasets. IBRA regions, which is a larger scale regional classification of homogeneous ecosystems, and sub regions, which are more localised. IBRA Version 7.1 is a minor update to IBRA Version 7.0 to coincide with the release of the CAPAD 2024 dataset to more closely conform to the Geoscience Australia (GA) Australia’s Land Borders (see https://pid.geoscience.gov.au/dataset/ga/140044). IBRA Version 7.0 regions and sub regions are realigned to the updated GA jurisdiction borders in some locations. For example, the Victorian Riverina sub region runs along the NSW-Vic border, the border in this area is updated to better align with the river. IBRA Version 7.1 restores the South Bruny land mass portion of Bruny Island (Tas) back to the Southern Ranges region Southern Ranges sub region to which it was assigned in IBRA Version 6.1. The whole of Bruny Island was incorrectly assigned to the South East region and Tasmanian South East sub region in IBRA Version 7. IBRA Version 7.1, aligns Ball’s Pyramid (south of Lord Howe Island) to other coastal data sources.

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Additional Info

Field Value
Title Interim Biogeographic Regionalisation for Australia (IBRA) Version 7.1 (Subregions)
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/97c518e0-7ff0-40df-8052-076403d62e8e
Remote Last Updated 07/01/2025
Contact Point
Reference Period 15/06/2023
Geospatial Coverage {"type": "Polygon", "coordinates": [[[72.5774, -54.777], [72.5774, -9.1413], [167.9981, -9.1413], [167.9981, -54.777], [72.5774, -54.777]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Interim Biogeographic Regionalisation for Australia (IBRA) Version 7.1 (Subregions)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/erin-interim-biogeographic-regionalisation-for-australia-ibra-version-7-1-subregions

Original dataset
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No duplicate datasets found.