Alexandrium species in New South Wales (NSW) coastal waters: historical distributions and identification of high-risk zones

United Nations FAO
Publication Type:
Conference Proceeding
Proc. 9th Int. Conf. Molluscan Shellfish Safety, 2014, pp. 107 - 110
Issue Date:
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Accumulation of paralytic shellfish poisoning (PSP) toxins, produced by marine planktonic dinoflagellates, can occur in all major commercial shellfish species. Aside from the potential risk to human health, aquaculture industries have reported severe economic losses due to regulatory closures. Members of the dinoflagellate genus Alexandrium are known PSP producers. Since 2005, there has been an apparent increase in reports of Alexandrium blooms in New South Wales (NSW), with species causing over 50% of algal related shellfish harvest zone closures. Our current knowledge of the distribution of the species in NSW is examined with an emphasis on high-risk zones.
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