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1 results

  • Increases in the abundance of the invasive barnacle Austrominius modestus on the Isle of Cumbrae, Scotland

  • Ruth M. O'Riordan, Sarah Culloty, John Davenport, Rob Mcallen
  • Journal:
    Marine Biodiversity Records / Volume 2 / January 2009
    Published online by Cambridge University Press:
    06 May 2009, e91
    Print publication:
    January 2009

  • The distribution and abundance of the Australasian barnacle Austrominius modestus around the Isle of Cumbrae, Scotland, were examined in October 2007. The species was found at all of the nineteen sites examined, which included highly exposed to highly sheltered sites. Its abundance varied from common to occasional. Over fifty years after its initial appearance as a single specimen (1954), Austrominius now appears to be well established on the island. Factors that may have influenced its spread and establishment are described, however, at this stage the relative importance of these cannot be determined. Consequently, further research is planned here, to collect quantitative data on the abundance of Austrominius and the other barnacle species that occur intertidally and how their relative abundances vary both within and between shores.