Geoscience Australia Data collected this dataset on infaunal biodiversity and seabed habitats around Lord Howe Island. The data likely includes samples from geomorphic zones like the drowned lagoon, relict reef, and outer shelf, gathered using multibeam sonar and sediment grabs. It was last updated on 2026-04-30.
Use Cases
- Modeling infaunal community structure based on broad-scale geomorphic zones mentioned in the description
- Predicting species abundance and trophic structure using sediment composition and seafloor topography variables
- Analyzing the relationship between biogeographic isolation and species endemism on oceanic shelves
- Mapping seabed habitats to inform marine spatial planning and conservation management
Strengths
- Data integrates high-resolution multibeam sonar mapping with direct biological and sediment sampling.
- Study design covers multiple distinct geomorphic zones (drowned lagoon, relict reef, outer shelf) for comparison.
- Findings highlight specific patterns, such as highest species richness and abundance on the outer shelf.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Seabed mapping with multibeam sonar and infauna/sediment sampling using a Smith-McIntyre grab.
- Freshness
- Last updated 2026-04-30 13:43:31.718835; freshness should be verified.
- Geography
- Lord Howe Island shelf