Australian Seabed Biophysical Data for Marine Conservation and Industry Planning

Geoscience Australia compiled biophysical seabed information to support marine conservation planning under the Environmental Protection and Biodiversity Conservation (EPBC) Act 1999. The data includes bathymetry, geomorphology, acoustic properties, sediment properties, slope, and sediment mobilisation, integrated into 'seascape' maps for predicting biodiversity distribution. This information offers 100% spatial coverage of Australia's Exclusive Economic Zone using objective, multivariate statistical methods.

Use Cases

• Predicting seabed biodiversity distribution based on integrated seascape maps.
• Supporting marine protected area (MPA) design based on biophysical proxy data.
• Providing certainty for petroleum exploration planning based on reproducible, science-based seafloor classification.
• Analyzing sediment mobilisation and slope for habitat characterisation on the continental shelf.

Strengths

• Provides 100% spatial coverage of Australia's Exclusive Economic Zone (EEZ).
• Based on objective, multivariate statistical methods, offering a reproducible approach.
• Integrates multiple data layers including bathymetry, geomorphology, and sediment properties.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Geoscience Australia, via the Australian Ocean Data Network.

Collection Method

Data compiled as a proxy for seabed biodiversity, integrated into seascape maps.

Time Range

References the EPBC Act 1999 and MPA nominations from 2006, with a target for a representative system by 2012.

Freshness

Last updated 2026-04-10 17:22:43.223706; freshness should be verified.

Geography

Australia's Exclusive Economic Zone (EEZ), with a focus on the southeast region where 13 MPAs were nominated.