The Point Harris Marine Reserve on the northern coast of San Miguel Island, California, was surveyed using sidescan sonar and a towed camera-sled. The dataset contains real-time abiotic and biotic seabed characterizations, including substratum type, physical structure, and benthic macrofauna and flora. The data was collected and processed by the Australian Ocean Data Network, with metadata last updated on 2026-06-27.
Use Cases
- Classifying seabed habitats based on substratum type and physical structure described in the methodology.
- Mapping the distribution of benthic macrofauna and flora from video observations.
- Ground-truthing acoustic seabed maps from sidescan sonar mosaics.
- Developing rapid survey protocols for marine reserve management based on the described three-tiered characterization scheme.
Strengths
- Data enables preliminary seabed characterizations to be interrogated and mapped within hours of collection.
- Method employs a three-tiered scheme describing substratum, physical structure, and benthic organisms.
- Metadata includes a specific geographic scope: the Point Harris Marine Reserve, San Miguel Island, California.
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.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Sidescan sonar acoustic imaging ground-truthed with a towed camera-sled, with real-time logging of video observations.
- Time Range
- null
- Freshness
- Last updated 2026-06-27 18:25:27.704742; freshness should be verified.
- Geography
- Point Harris Marine Reserve, northern coast of San Miguel Island, California.