Esperance Bay's shallow seabed habitats are mapped using multibeam sonar, video, and sediment data. Wave energy exposure appears to be the most useful regional-scale predictor for rhodolith and seagrass habitat distribution. This dataset from Geoscience Australia reveals how geomorphic processes increase the diversity of inner shelf benthic habitats.
Use Cases
- Modeling benthic habitat distribution based on predicted wave energy data.
- Analyzing relationships between sediment composition (gravel, mud, CaCO3) and rhodolith bed presence.
- Assessing the role of limestone reefs as habitat for sessile organisms in high-energy environments.
- Mapping seabed geomorphology for environmental monitoring and management planning.
Strengths
- Integrates multiple data sources: multibeam sonar, underwater video, predicted wave energy, and sediment data.
- Focuses on a specific, high-energy temperate environment (Esperance Bay, <50m depth).
- Analysis identifies wave abrasion and sediment transport as key factors increasing habitat diversity.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to the single study area in Western Australia.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Data gathered via multibeam sonar surveys, underwater video, and sediment sampling.
- Time Range
- null
- Freshness
- Last updated 2026-04 20 01:25:10.544794; freshness should be verified.
- Geography
- Esperance Bay, part of the Recherche Archipelago in temperate southwestern Australia.