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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... -
Growth models, age frequency and size frequency distributions of sea urchin...
Growth models were constructed for two sea urchin populations over a two-year period using a tag-recapture study in the Mercury Passage, Tasmania. Sea urchins were tagged using... -
Reproductive potential of the long spined sea urchin Centrostephanus...
Recent poleward range expansion of the barrens-forming sea urchin Centrostephanus rodgersii (Diadematidae) from mainland Australia to Tasmania, has emphasized the need to... -
Sea urchin predation mortality rates
Mortality rates of the sea urchin Heliocidaris erythrogramma where estimated under experimental conditions to determine the importance of natural and predation mortality in... -
Natural growth lines in sea urchin (Heliocidaris erythrogramma) ossicles
Sea urchin tagged using tetracycline display visible marks in jaw elements and test plates that can be used to determine growth and subsequently an individuals age. Natural... -
Abundance estimates of sea urchins and a suite of predators over multiple...
Underwater visual census surveys were conducted at 15 sites in eastern Tasmania to quantify the abundance of the sea urchin Heliocidaris erythrogramma and several putative...
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