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Effects of Irradiance on the Growth of the Toxic Dinoflagellates Alexandrium tamarense and Alexandrium catenella
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 Title & Authors
Effects of Irradiance on the Growth of the Toxic Dinoflagellates Alexandrium tamarense and Alexandrium catenella
Kwon, Hyeong-Kyu; Park, Ji-A; Yang, Han-Soeb; Oh, Seok Jin;
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The effects of irradiance on the growth of toxic dinoflagellates Alexandrium tamarense (Masan Bay strain) and Alexandrium catenella (Jinhae Bay strain) were investigated in the laboratory. At and 30 psu for A. tamarense and and 30 psu for A. catenella, the irradiance-growth curve showed the maximum growth rate () of 0.31 with half-saturation photon flux density (PFD) () of 44.53 , and a compensation PFD () was 20.67 for A. tamarense, and of 0.38 with of 59.53 , and was 40.80 for A. catenella. The equated to a depth of 8~9 m from March to June for A. tamarense and 6~7 m from March to June for A. catenella. These responses suggested that irradiance at the depth near the middle layer in Masan Bay would provide favorable conditions for two species.
Alexandrium tamarense;Alexandrium catenella;Irradiance;Growth;Masan Bay;
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