Assessment of the efficacy of clay flocculation in Korean fish farm waters: Cochlodinium cell removal and mitigation of ichthyotoxicity

Assessment of the efficacy of clay flocculation in Korean fish farm waters: Cochlodinium cell removal and mitigation of ichthyotoxicity

The ichthyotoxic dinoflagellate Cochlodinium polykrikoides poses a significant threat to the Korean finfish aquaculture industry, thus calling for effective mitigation strategies. We here report for the first time on investigations to assess the efficacy of routine application of clay to a naturally...

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Veröffentlicht in:Harmful algae 2017-01, Vol.61, p.46-55
Hauptverfasser: Seger, Andreas, Park, Tae-Gyu, Hallegraeff, Gustaaf
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
Clay
Cochlodinium
Cochlodinium polykrikoides
Flocculation
Ichthyotoxin
ROS
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Zusammenfassung:The ichthyotoxic dinoflagellate Cochlodinium polykrikoides poses a significant threat to the Korean finfish aquaculture industry, thus calling for effective mitigation strategies. We here report for the first time on investigations to assess the efficacy of routine application of clay to a naturally occurring Cochlodinium polykrikoides bloom off Namhae Island in South Korea during August-September 2015. Applications of conventional Korean loess reduced Cochlodinium cell concentrations from a maximum of 4600mL−1 to levels considered safe for aquaculture operations (
ISSN:1568-9883
1878-1470
DOI:10.1016/j.hal.2016.11.014