Antarctic Seafloor Environmental Layers for Biodiversity Predictions

Spatial environmental data layers compiled from various sources for predicting distributional patterns of Antarctic seafloor biodiversity. The dataset is projected to a polar stereographic coordinate system (EPSG:3031) at a 2-kilometer resolution. It was published by the Australian Ocean Data Network and last updated on April 28, 2026.

Use Cases

• Predicting seafloor biodiversity distribution based on environmental variables like depth and slope.
• Modeling the availability of ocean surface-derived food at the seafloor for ecological studies.
• Analyzing the relationship between seafloor topography (e.g., distance to underwater canyons) and biological communities.
• Mapping oceanographic conditions (current speed, temperature, salinity) in the Antarctic region.

Strengths

• All data layers share a consistent spatial projection (EPSG:3031) and resolution (2km).
• Includes multiple environmental variables relevant to seafloor ecology, such as depth, slope, primary productivity, and current speeds.
• Data is sourced from the Australian Ocean Data Network, a recognized aggregator for oceanographic data.

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.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Australian Ocean Data Network

Collection Method

Compiled from various sources, as cited in Jansen et al. (in preparation).

Freshness

Last updated 2026-04-28 23:25:36.757605; freshness should be verified.

Geography

Antarctic seafloor region.