Search results for urchin
FiltersWMS
28 datasets for “urchin”
- data.gov.au
A pilot management program to maximise Tasmania's Sea Urchin (Heliocidaris erythrogramma) resource: Meredith Point, urchin density manipulations
Australian Ocean Data NetworkUpdated 19 Aug 2026
The main aim of this research program was to determine the potential for reducing the density of urchins …
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- data.gov.au
A pilot management program to maximise Tasmania's Sea Urchin (Heliocidaris erythrogramma) resource: Hope Island, urchin density manipulations
Australian Ocean Data NetworkUpdated 21 Aug 2026
The main aim of this research program was to determine the potential for reducing the density of urchins …
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- data.gov.au
Management options to minimise formation of urchin barrens: using belt transect surveys to monitor benthic community structure
Australian Ocean Data NetworkUpdated 23 Jun 2025
… Measures of percentage cover of key algal guilds, percentage of reef grazed by sea urchins, number of sea …
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- data.gov.au
Presence of urchin barrens from annotated video
Australian Ocean Data NetworkUpdated 10 Jul 2026
Annotations of Centrostephanus rogersii sea urchin barrens derived from towed video at selected key abalone blocks along the …
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- data.gov.au
Presence of urchin barrens from annotated video
Australian Ocean Data NetworkUpdated 25 Sept 2026
Annotations of Centrostephanus rogersii sea urchin barrens derived from towed video at selected key abalone blocks along the …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, eastern Tasmania
Australian Ocean Data NetworkUpdated 13 Jul 2026
… Substrate and habitat type were recorded using video analysis, with 4 categories of urchin barren habitat recognised (see …
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- +1
- BC Data Catalogue
Commercial Red and Green Urchin Fishery - Coastal Resource Information Management System (CRIMS)
GeoBC BranchUpdated 29 Mar 2026
Areas of marine commercial red and green sea urchin fisheries in British Columbia. CRIMS is a legacy dataset …
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- data.gov.au
Surveys of long spined sea urchin (Centrostephanus rodgersii) and barrens habitat, Kent Group, Tasmania 2000
Australian Ocean Data NetworkUpdated 1 Oct 2026
Quantitative surveys were undertaken at four sites in the Kent Group, north eastern Tasmania (southern and northern shores …
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- data.gov.au
Enzyme analysis of long spined sea urchin (Centrostephanus rodgersii) on the south eastern seaboard of Australia
Australian Ocean Data NetworkUpdated 19 Aug 2026
Sixty animals were collected from each of Bass Pt, New South Wales (lat 34°35' S, long 150 …
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- data.gov.au
Phase-shift dynamics of sea urchin overgrazing on nutrified reefs
Australian Ocean Data NetworkUpdated 12 Sept 2026
Shifts from productive kelp beds to impoverished sea urchin barrens occur globally and represent a wholesale change to …
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- data.gov.au
Growth and age across range extension region of Centrostephanus rodgersii in eastern Tasmania and morphometric comparison of urchins inhabiting kelp versus barrens habitats
Australian Ocean Data NetworkUpdated 28 Sept 2026
The barrens-forming sea urchin Centrostephanus rodgersii has undergone poleward range extension to eastern Tasmania. This data compares …
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- data.gov.au
Range expansion of the sea urchin Centrostephanus rodgersii leads to loss of taxonomic diversity in a kelp bed habitat, eastern Tasmania
Australian Ocean Data NetworkUpdated 7 Sept 2026
The long spined sea urchin Centrostephanus rodgersii (Diadematidae) has recently undergone poleward range expansion to eastern Tasmania (southeast …
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- data.gov.au
Reproductive potential of the long spined sea urchin Centrostephanus rodgersii in Tasmania
Australian Ocean Data NetworkUpdated 7 Sept 2026
Recent poleward range expansion of the barrens-forming sea urchin Centrostephanus rodgersii (Diadematidae) from mainland Australia to Tasmania …
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- data.gov.au
Bicheno region urchin barrens from AUV imagery
Australian Ocean Data NetworkUpdated 23 Jun 2025
… Imagery across all surveys was scored for the presence of Centrostephanus rodgersii urchin barrens across rocky reef at …
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- data.gov.au
Bicheno region urchin barrens from AUV imagery
Australian Ocean Data NetworkUpdated 4 Jun 2026
… Imagery across all surveys was scored for the presence of Centrostephanus rodgersii urchin barrens across rocky reef at …
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- data.gov.au
Bicheno region urchin barrens from AUV imagery
Australian Ocean Data NetworkUpdated 10 Sept 2026
… Imagery across all surveys was scored for the presence of Centrostephanus rodgersii urchin barrens across rocky reef at …
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- data.gov.au
Effect of Centrostephanus rodgersii barrens on standing stocks of abalone and rock-lobster in Tasmania
Australian Ocean Data NetworkUpdated 21 Aug 2026
The effect of barrens formed by the long spined sea urchin, Centrostephanus rodgersii, on the standing stocks of …
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- data.gov.au
Kelp habitat density and composition from underwater video
Australian Ocean Data NetworkUpdated 10 Jul 2026
… The purpose of the study was to examine the patch dynamics of seaweeds and urchin barrens and to …
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- data.gov.au
Kelp habitat density and composition from underwater video
Australian Ocean Data NetworkUpdated 1 Oct 2026
… The purpose of the study was to examine the patch dynamics of seaweeds and urchin barrens and to …
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- data.gov.au
High resolution acoustic data of reef habitat - Tasmanian East Coast
Australian Ocean Data NetworkUpdated 5 Jun 2026
… Large urchin barrens have been predicted and the minimum quantifiable unit of which small incipient barrens can be …
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