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Effect of Oil Water-Accommodated Fraction on Growth and Chlorophyll-A of Marine Microalgae
Abstract:
The experiment studied the 96h acute toxicity effects on three kinds of microalgae caused by Water-Accommodated Fraction (WAF), and effects of different concentrations WAF (Platymonas helgolandica var. tsingtaoensis, Nitzschia closterium f. minutissima 00.524816 mg/L; Isochrysis galbana 00.52.551020 mg/L) on chlorophyll-a content and chlorophyll fluorescence parameters. It showed that the WAF 96h EC50 of the Platymonas helgolandica var. tsingtaoensis, Nitzschia closterium f. minutissima, Isochrysis galbana were 13.84mg/L, 18.83mg/L and 6.73mg/L. The level of WAF sensitivity was Nitzschia closterium f. minutissima > Platymonas helgolandica var. tsingtaoensis > Isochrysis galbana. The WAF caused inhibition of chlorophyll-a content except in condition of the low concentration. It showed the higher of the WAF concentration, the stronger the inhibition.
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Pages:
94-97
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Online since:
August 2013
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