Abalone Fishing Block 30: High-Resolution Acoustic Seafloor Habitat Maps of Tasmania

50cm resolution bathymetry and substrate maps were produced for the east coast of Tasmania in 2021. The Australian Ocean Data Network provides this data, which includes derivatives like seabed slope and vegetation likelihood classification. This snapshot assists in strategic decision-making for urchin control and abalone management.

Use Cases

• Map fine-scale spatial distribution of abalone habitat based on multibeam acoustic imagery.
• Predict large urchin barrens and detect incipient barrens based on water column data analysis.
• Facilitate strategic decision-making for abalone management based on substrate type and kelp coverage maps.

Strengths

• Data includes 50cm resolution bathymetry and substrate type maps, indicating high spatial detail.
• Multiple derived data products are available, including seabed slope, curvature, rugosity, and vegetation likelihood.
• The dataset provides a specific snapshot of seafloor habitats for the year 2021.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to data_gov_au, focusing only on specific fishing blocks off Tasmania.

Provenance

Source

Australian Ocean Data Network

Collection Method

Collected using multibeam acoustic imagery and water column techniques.

Time Range

2021

Freshness

Last updated 2026-04-29 06:43:32.540978; freshness should be verified.

Geography

East coast of Tasmania, specifically Fishing Block 30.