Surveys of long spined sea urchin (Centrostephanus rodgersii) and barrens habitat, Kent Group, Tasmania 2000

Craig Johnson

doi:10.15468/yxqda7

Surveys of long spined sea urchin (Centrostephanus rodgersii) and barrens habitat, Kent Group, Tasmania 2000

Citation

Johnson, C., Ling, S., Ross, J., Shepherd, S. and Miller, K., 2005. Establishment of the long-spined sea urchin (Centrostephanus rodgersii) in Tasmania: First assessment of potential threats to fisheries. FRDC Final Report, Project No. 2001/044. University of Tasmania, Tasmanian Aquaculture and Fisheries Institute, School of Zoology. https://doi.org/10.15468/yxqda7 accessed via GBIF.org on 2024-10-31.

Description

Quantitative surveys were undertaken at four sites in the Kent Group, north eastern Tasmania (southern and northern shores of East Cove at Deal Island, Winter Cove at Deal Island, NE coast of Dover Island) by divers using underwater visual census methods to survey the reef habitat.

At each site, four belt transects were laid 50-150 m apart perpendicular to the shore over 3 - 18 m depth. Depth, percentage cover of different substratum types (including Centrostephanus rodgersii barrens) and algal species or guilds, and counts of all sea urchins (Centrostephanus rodgersii, Heliocidaris erythrogramma), rock lobsters (Jasus edwardsii) and abalone (Haliotis rubra and Haliotis laevigata) were recorded in consecutive 5 m sections of each transect. Each transect was 2 m wide (1 m to each side of the laid line) and varied in length depending on the extent of reef to a maximum possible of 100 m.

Original data and additional information from http://metadata.imas.utas.edu.au/geonetwork/srv/eng/metadata.show?uuid=5ef4b940-86a3-11dc-a9fc-00188b4c0af8

Additional info

marine, harvested by iOBIS

Taxonomic Coverages

Geographic Coverages

Kent Group, Bass Strait, Auatralia

Bibliographic Citations

Contacts

Craig Johnson
originator
position: Principal Investigator
Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS)
Private Bag 129
Hobart
7001
Tasmania
AU
Telephone: +61 3 6226 2582
email: Craig.Johnson@utas.edu.au

IMAS Data Manager
metadata author
position: Data Manager
Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS)
Private Bag 129
Hobart
7001
Tasmania
AU
email: imas.datamanager@utas.edu.au

OBIS Australia Node manager
publisher
position: OBISAU Data Manager
CSIRO National Collections and Marine Infrastructure Data Centre
Castray Esplande
Hobart
7000
Tasmania
AU
email: obisau@csiro.au
homepage: http://www.obis.org.au

Craig Johnson
administrative point of contact
position: Principal Investigator
Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS)
Private Bag 129
Hobart
7001
Tasmania
AU
Telephone: +61 3 6226 2582
email: Craig.Johnson@utas.edu.au