Three areas across the Torres Strait-Gulf of Papua shelf form a transect from the Fly River Delta to the shelf edge near the Great Barrier Reef. The dataset, from Geoscience Australia, contains detailed study of sediments and benthic fossil biota, with a foraminiferal preservation scale developed to assess sediment reworking. Benthic foraminiferal species show a strong correlation to water depth and environmental variables like carbonate mud, gravel, and organic carbon flux.
Use Cases
- Modeling habitat types based on correlations between benthic foraminifera and environmental variables like water depth and sediment composition.
- Assessing sediment reworking and preservation history using the developed foraminiferal preservation scale.
- Analyzing differences in microbiotic communities across a shelf transect from a river delta to the shelf edge.
- Investigating the influence of factors like organic carbon flux, temperature, and salinity on species distribution patterns.
Strengths
- Data covers a transect across a shelf from 120 to 140 meters depth, providing a spatial gradient.
- Analysis includes multiple environmental attributes: percent carbonate mud, percent gravel, organic carbon flux, temperature, salinity, and mean grain size.
- Foraminiferal data shows a much stronger correlation to environmental variables than total microbiota, indicating high utility as a habitat proxy.
Limitations
- Row count is unknown, which may limit suitability assessment.
- Column-level documentation is absent; field semantics must be inferred after download.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Detailed study of sediments and benthic fossil biota from three selected areas.
- Time Range
- null
- Freshness
- Last updated 2026-04-20 01:43:43.247626; freshness should be verified.
- Geography
- Torres Strait-Gulf of Papua region, from the Fly River Delta to the shelf edge near the northern extremity of the Great Barrier Reef.