Presence of urchin barrens from annotated video

Fish abundance and distribution Macroalgal canopy cover and composition Invertebrate abundance and distribution

Annotations of Centrostephanus rogersii sea urchin barrens derived from towed video at selected key abalone blocks along the east coast of Tasmania. The purpose of the study was to examine the patch dynamics of urchin barrens and to provide validation for the identification of urchin barrens from multibeam surveys.

Data and resources

SHAPE-ZIP

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AbHab_urchin_barrens_scored_video

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AbHab_urchin_barrens_scored_video

MAP - urchin barren density from annotated video

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Additional information

Temporal extent	2020-10-31 – 2021-04-23
Date (creation)	2021-12-08
Status	completed
Update frequency	notPlanned
Metadata language	en
License	The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.
Source metadata	ISO 19115 XML
Last updated	2026-11-05
Created	2026-11-05
API	package_show