Benthic Community Video Analysis Across the George V Shelf, East Antarctica

Underwater video footage from the 2007/2008 CEAMARC voyage captures the physical and biological characteristics of benthic communities on the George V Shelf. The data likely reflects community colonization over the past 8-12 thousand years, following the last glacial retreat. It was published by Geoscience Australia Data and last updated in April 2026.

Use Cases

• Modeling benthic community distribution based on physical factors like water depth and sediment type mentioned in the description.
• Analyzing long-term recolonization patterns following glacial retreat over millennial scales.
• Studying the impact of iceberg scouring on community maturity and structure across years to centuries.
• Mapping habitat types based on spatial contrasts in nutrient and sediment supply from different water masses.

Strengths

• Data is derived from direct underwater video footage, providing a visual record of benthic habitats.
• Analysis connects community structure to specific, described physical processes (iceberg scouring, current regimes, deposition).
• Temporal context spans significant scales, from recent voyages to millennial-scale glacial cycles.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• The primary data format is HTML, which may not be a standard format for video or structured ecological data.

Provenance

Source

Geoscience Australia Data

Collection Method

Analysis of underwater video footage collected during the 2007/2008 CEAMARC voyage.

Time Range

Video from 2007/2008, with ecological context covering the past 8-12 thousand years.

Freshness

Last updated 2026-04-20 01:15:03.766989; freshness should be verified.

Geography

George V Shelf, East Antarctica.