Port Phillip Bay Seagrass and Macroalgae Distribution from 2000 Aerial Survey

A polygon layer defines the spatial extent, species distribution, and density of seagrass and macroalgae within Port Phillip Bay. The data was mapped from aerial photography in 2000 and ground-truthed in the field. The dataset is provided by the Victorian Fisheries Authority under a CC-BY-4.0 license.

Use Cases

• Model historical seagrass habitat extent based on the spatial polygon layer
• Analyze species distribution patterns for seagrass and macroalgae mentioned in the description
• Assess vegetation density changes over time using the 2000 baseline data
• Ground-truth or validate remote sensing algorithms based on the field-verified mapping

Strengths

• Data is ground-truthed, suggesting field validation of aerial mapping.
• Provides multiple geospatial file formats (DWG, GDB, SHP, MIF, DXF, EXTENDED TAB, TAB) for flexibility.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Freshness should be verified; the data represents a 2000 snapshot.

Provenance

Source

Victorian Fisheries Authority

Collection Method

Mapped from aerial photography and ground-truthed in the field.

Time Range

2000

Freshness

Last updated 2026-04-09 08:35:00.984830; freshness should be verified

Geography

Port Phillip Bay