Geoscience Australia collected 124 seabed samples with 74 physical and geochemical variables in the eastern Bonaparte Gulf during 2009/2010. Different clustering methods were applied to this data to link seabed properties with biodiversity patterns. The analysis revealed major variations in grain size and authigenic element enrichments across the shelf.
Use Cases
- Classifying seabed habitats based on physical and geochemical variables like grain size and organic matter reactivity.
- Modeling the influence of seabed chemistry, such as porewater pH and sediment redox status, on infaunal diversity.
- Identifying geohazards and unique benthic habitats for marine conservation planning using cluster analysis results.
- Investigating cross-shelf transitions in sediment composition, from authigenic-Mn/As enrichments to authigenic-P enrichment.
Strengths
- Dataset comprises 124 samples with 74 measured physical and geochemical variables.
- Clustering results were validated against independent infauna data to assess ecological relevance.
- Analysis provides a summary model highlighting the influence of geochemical clusters on beta diversity.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data freshness should be verified as the survey was conducted in 2009/2010.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Seabed mapping surveys involving sample collection and laboratory analysis.
- Time Range
- 2009/2010
- Freshness
- Last updated 2026-05-14 04:40:16.565353; freshness should be verified
- Geography
- Eastern Bonaparte Gulf, Australia