Marine Futures Project: Benthic Habitat Maps for Broke Inlet, Western Australia

Approximately 1,500 km2 of seafloor were mapped using hydroacoustics and video transects to benchmark marine ecosystems. The Australian Ocean Data Network provides this data, which includes fine-scale habitat maps for Broke Inlet, a remote area 400km south of Perth. Surveys combined multibeam sonar with towed and baited video to model substrate types and biotic formations.

Use Cases

• Modeling benthic habitat distribution based on combined hydroacoustic and video survey data.
• Assessing marine biodiversity and ecosystem status in a national park-adjacent inlet.
• Creating fine-scale spatial maps of substrate types and biotic formations for conservation planning.
• Studying the relationship between physical habitats and biological communities in a remote marine area.

Strengths

• Covers approximately 1,500 km2 of mapped seafloor, providing a substantial spatial footprint.
• Integrates two data sources: hydroacoustic mapping and video ground-truthing, likely improving accuracy.
• Focuses on Broke Inlet, an area described as relatively untouched by major tourism pressures.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for certain analyses.
• Data may reflect geographic bias inherent to data_gov_au, focusing on a single remote inlet.

Provenance

Source

Australian Ocean Data Network

Collection Method

Seafloor mapped using hydroacoustics (Reson 8101 Multibeam) and ground-truthed using towed video transects and baited remote underwater video systems, combined via spatial predictive modelling.

Freshness

Last updated 2026-07-13 20:35:43.496922; freshness should be verified.

Geography

Broke Inlet, Western Australia, approximately 400km south of Perth, surrounded by D’Entrecasteaux National Park.