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Management options to minimise formation of urchin barrens: measuring...
A photographic and in situ diver survey of marked incipient Centrostephanus rodgersii barren patches, in eastern Tasmanian, was used to assess any changes in the grazed area and... -
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens...
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater video system. Sampling took place at 13 regions along the east... -
Surveys of long spined sea urchin (Centrostephanus rodgersii) and barrens...
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... -
Management options to minimise formation of urchin barrens: assessing...
Timed GPS-tracked swims using SCUBA (45 and 30 minutes), were used to assess the changes in frequency and size of Centrostephanus rodgerii incipient barrens in eastern Tasmania.... -
Management options to minimise formation of urchin barrens: kelp lines -...
Linear video transects (40m total length; 20m into barrens and 20m into kelp from original fixed marker on the benthos) were used to assess changes in kelp growth in several... -
Lobster predation trials
Data on captive feeding trials for prey preference in southern rock lobsters on longspined sea urchins, black lipped abalone, shortspined sea urchins and periwinkle. -
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens...
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater video system. Sampling took place at 13 regions along the east... -
Growth and age across range extension region of Centrostephanus rodgersii in...
The barrens-forming sea urchin Centrostephanus rodgersii has undergone poleward range extension to eastern Tasmania. This data compares growth, morphology, reproductive... -
Output of population growth and fishing model for Longspined sea urchins...
This study created a size-structured stock assessment model to examine the population dynamics and fishing impacts on the long-spined sea urchin (Centrostephanus rodgersii) on... -
Management options to minimise formation of urchin barrens: using belt...
Belt transect surveys (50m) were used to monitor the benthic community structure through time at experimental (lobster additions/ research reserve sites or abalone diver urchin... -
Enzyme analysis of long spined sea urchin (Centrostephanus rodgersii) on the...
Sixty animals were collected from each of Bass Pt, New South Wales (lat 34°35' S, long 150°54' E; August 2000); south side of East Cove, Deal Is, Bass St. (lat 39°28.4' S, long... -
Dive surveys of long spined sea urchin (Centrostephanus rodgersii) and...
The spatial extent of the long spined sea urchin, Centrostephanus rodgersii, was estimated by divers using underwater visual census methods to survey rocky reef habitats at 13... -
Bicheno region urchin barrens from AUV imagery
This data set consists of a scored time-series of Autonomous Underwater Vehicle (AUV) images from the Bicheno region on the east coast of Tasmania. Surveys were conducted... -
Longspined sea urchin size and movement metrics (data accompanying: "The...
This data package consists of two files to accompany the manuscript Smith J., Flukes E., Keane J.P. (2024) The risky nightlife of undersized sea urchins. Marine and Freshwater... -
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens...
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater video system. Sampling took place at 13 regions along the east... -
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens...
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater video system. Sampling took place at 13 regions along the east... -
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens...
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater video system. Sampling took place at 13 regions along the east... -
Effect of Centrostephanus rodgersii barrens on standing stocks of abalone...
The effect of barrens formed by the long spined sea urchin, Centrostephanus rodgersii, on the standing stocks of southern rock lobsters (Jasus edwardsii) and black lip abalone... -
Comparison of predation on Centrostephanus rodgersii inside/outside marine...
The predators of Centrostephanus rodgersii, were identified using remote video monitoring. Experiments were performed in two eastern Tasmanian regions, the Maria Island Marine... -
Video surveys of long spined sea urchin (Centrostephanus rodgersii) barrens...
The spatial extent of C. rodgersii "barrens" was estimated by surveying rocky reef habitat with a towed underwater video system. Sampling took place at 13 regions along the east...