Victorian Flora Biodiversity Records Summarized on a 5-Minute Grid

VBA flora records are aggregated into a standard 5-minute longitude/latitude grid (GDA94). The layer counts records per taxon per cell, includes first and last observation dates, and excludes records with spatial accuracy worse than +/- 4.5 km. The Department of Energy, Environment and Climate Action published this dataset under a CC-BY-4.0 license, with a last update timestamp of 2026-04-08.

Use Cases

• Map plant species richness and distribution across Victoria based on aggregated grid-cell counts.
• Analyze temporal trends in flora observations using the first and last recorded dates per taxon per cell.
• Identify areas of high or low botanical survey effort by examining the density of records across the grid.
• Compare biodiversity patterns at different scales by using related 10-minute and 1-minute grid summaries.

Strengths

• Spatial accuracy is controlled, excluding records with precision worse than +/- 4.5 km.
• Temporal range is captured per taxon per cell via first and last recorded dates.
• Data is available in multiple geospatial file formats including SHP, GDB, and DWG.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale analysis.

Provenance

Source

Department of Energy, Environment and Climate Action

Collection Method

Summarizes Victorian Biodiversity Atlas (VBA) flora records against a standard 5-minute grid.

Time Range

Temporal coverage is implied by the first and last recorded dates per taxon per cell, but the overall range is not specified.

Freshness

Last updated 2026-04-08 21:53:39.916511; freshness should be verified.

Geography

Victoria, Australia, using the GDA94 coordinate system.