Search results for urchin
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26 datasets for “urchin”
- 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
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Bicheno, eastern Tasmania
Australian Ocean Data NetworkUpdated 23 Jun 2025
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Bicheno, eastern Tasmania
Australian Ocean Data NetworkUpdated 19 Aug 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Schouten Island, eastern Tasmania
Australian Ocean Data NetworkUpdated 25 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Recherche, eastern Tasmania
Australian Ocean Data NetworkUpdated 3 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Wineglass Bay, eastern Tasmania
Australian Ocean Data NetworkUpdated 19 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Nubeena, eastern Tasmania
Australian Ocean Data NetworkUpdated 19 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Maria Island, eastern Tasmania
Australian Ocean Data NetworkUpdated 4 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Fortescue Bay, eastern Tasmania
Australian Ocean Data NetworkUpdated 28 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Eddystone Point, eastern Tasmania
Australian Ocean Data NetworkUpdated 4 Aug 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Forestier Peninsula, eastern Tasmania
Australian Ocean Data NetworkUpdated 19 Aug 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, Four-mile Creek, eastern Tasmania
Australian Ocean Data NetworkUpdated 3 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, St Helens, eastern Tasmania
Australian Ocean Data NetworkUpdated 19 Aug 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, South Bruny Island, eastern Tasmania
Australian Ocean Data NetworkUpdated 16 Jul 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- data.gov.au
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens habitat, North Bruny Island, eastern Tasmania
Australian Ocean Data NetworkUpdated 28 Sept 2026
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater …
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- California Open Data
Abalone and Urchin Recruitment Modules - Van Damme State Park, Mendocino County - 2001-2025
California Department of Fish and WildlifeUpdated 11 Nov 2026
An important facet of the Kelp Forest Monitoring project is sampling recruitment of juvenile abalone and sea urchins …
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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
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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- California Open Data
Kelp Forest Transect Surveys - Sonoma and Mendocino County, Northern California Coast
California Department of Fish and WildlifeUpdated 11 Nov 2026
… The data set includes depth of transect; number, size and species of abalone and urchins; number of associated …
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