Australian Marine Bioregionalisation and Seascape Maps for Biodiversity Protection

A 2005 Benthic Bioregionalisation subdivides Australia's Exclusive Economic Zone into 41 bioregions, including 24 unique provinces. The dataset, created by Geoscience Australia, integrates seabed bathymetry, geomorphic features, fish diversity, and biophysical variables like ocean production and sediment properties. It was developed to support the implementation of the Environmental Protection and Biodiversity Conservation Act through regional marine plans and representative marine protected area networks.

Use Cases

• Designing networks of representative marine protected areas based on the 41 defined bioregions.
• Predicting seabed biodiversity distribution using integrated seascape maps of multiple spatial data layers.
• Analyzing habitat characteristics on the continental margin using variables like seabed slope, sediment properties, and temperature.
• Supporting regional marine planning under the EPBC Act using the geomorphic features map of the EEZ.

Strengths

• Derived from a 2005 Benthic Bioregionalisation that defines 41 bioregions and 24 unique provinces.
• Integrates multiple existing data sources, including seabed bathymetry, fish diversity, and biophysical variables.
• Created by Geoscience Australia, an authoritative government organization.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last updated 2026-04-10 18:14:24.115464; freshness should be verified.

Provenance

Source

Australian Ocean Data Network

Collection Method

Integration of existing seabed bathymetry, fish diversity, and other biophysical data to create geomorphic and seascape maps.

Time Range

Based on a 2005 bioregionalisation; temporal coverage of source data is unspecified.

Freshness

Last updated 2026-04-10 18:14:24.115464

Geography

Australia's Exclusive Economic Zone (EEZ) and continental margin.