Hornsby LGA Threatened Ecological Communities Mapping Update, 2008

404 sample sites were surveyed in the original 1990-1993 study of Hornsby Shire's native vegetation. An updated 2008 study by Hornsby Shire Council refined the classification to 30 communities, including 8 Endangered Ecological Communities, based on an additional 209 sample sites. The mapping excludes several national parks and reserves within the local government area.

Use Cases

• Update council GIS layers for environmental planning based on the refined community classification.
• Monitor changes in threatened ecological communities over time by comparing the 2008 mapping to the original 1990-1993 baseline.
• Identify priority areas for conservation action based on the location of the 8 mapped Endangered Ecological Communities.
• Analyze the floristic composition of distinct vegetation communities, such as those on Dangar Island.

Strengths

• Original classification based on species data from 404 sample sites.
• Updated study incorporates data from an additional 209 sample sites.
• Refined classification distinguishes 8 Endangered Ecological Communities and two rainforest communities.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• The initial assessment method is described as subjective.

Provenance

Source

Hornsby Shire Council

Collection Method

Field surveys and floristic analysis of the tallest vegetation layer.

Time Range

Update from 2008, referencing original work from 1990-1993.

Freshness

Last updated 2026-05-13 06:00:48.761256; freshness should be verified.

Geography

Hornsby Local Government Area, from Eastwood to Brooklyn to Wisemans Ferry, excluding several national parks and reserves.