East Antarctica's Amery Ice Shelf hosts a sediment core record of benthic community development over the Holocene. Fossil analysis of a 47 cm core reveals a succession from no fauna prior to ~9600 yr BP to mobile organisms and later filter feeders, linked to ice shelf retreat and advected food supply. This dataset, provided by the Australian Ocean Data Network, offers insights into sub-ice shelf ecological responses to climate change.
Use Cases
- Modeling benthic community succession timelines based on sediment core depth and fossil presence data
- Analyzing relationships between planktonic particle advection and filter feeder emergence described in the study
- Assessing the impact of historical ice shelf retreat on sub-ice shelf biodiversity patterns
- Projecting future benthic community changes under altered organic supply regimes as described
Strengths
- Analysis based on a 47 cm long sediment core providing a physical record
- Clear temporal sequence described from ~9600 yr BP to present
- Specific faunal groups identified: sponges, bryozoans, polychaetes, and planktonic taxa
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 data_gov_au
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Fossil analysis of a sediment core
- Time Range
- Holocene, with specific events dated from ~9600 years BP
- Freshness
- Last updated 2026-04-16 14:22:41.344885; freshness should be verified
- Geography
- Beneath the Amery Ice Shelf, East Antarctica, with connections to Prydz Bay