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results
Environment
PROJECT NUMBER • 2011-087
PROJECT STATUS:
COMPLETED

Tactical Research Fund: trial of an industry implemented, spatially discrete eradication/control program for Centrostephanus rodgersii in Tasmania

The long-spined sea urchin, Centrostephanus rodgersii has expanded its distribution southwards from southern New South Wales, through Eastern Victoria, the Bass Strait Islands and down the east coast of Tasmania. In some areas of Tasmania abundance of C. rodgersii has increased substantially, even...
ORGANISATION:
University of Tasmania (UTAS)
Environment
PROJECT NUMBER • 2013-026
PROJECT STATUS:
COMPLETED

Can commercial harvest of long-spined sea urchins reduce the impact of urchin grazing on abalone and lobster fisheries?

At low-levels of exploitation, commercial harvesting of long-spined sea urchins was found to prevent increase in urchin density. Adjacent unfished locations experienced an increase in both urchin density and grazed area over the 2014 – 2016 study period. Research sampling of populations...
ORGANISATION:
University of Tasmania (UTAS)