Video Surveys of Sea Urchin Barrens Habitat in Wineglass Bay, Tasmania

Video survey data estimates the spatial extent of long-spined sea urchin (Centrostephanus rodgersii) barrens habitat on rocky reefs. The dataset covers the Wineglass Bay region on the east coast of Tasmania, comprising three subsites: Boot, Nuggets, and Wineglass. Data was collected by the Australian Ocean Data Network using a towed underwater video system.

Use Cases

• Map the extent of sea urchin barrens habitat based on video survey transects.
• Monitor changes in rocky reef ecosystem structure based on visual survey data.
• Assess habitat suitability for other marine species based on observed sea urchin barrens.

Strengths

• Data collection method is specified as a towed underwater video system.
• Geographic scope is defined as the Wineglass Bay region with three named subsites.
• Dataset is hosted by the authoritative Australian Ocean Data Network.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to data_gov_au, focusing on one region of Tasmania.

Provenance

Source

Australian Ocean Data Network

Collection Method

Spatial extent estimated by surveying rocky reef habitat with a towed underwater video system.

Freshness

Last updated 2026-07-22 02:10:39.829149; freshness should be verified.

Geography

Wineglass Bay region, eastern Tasmania, Australia.