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The interactive effects of temperature, light, and pulsed phosphate supply on the growth of Phaeodactylum tricornutum |
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Abstract Effect of phosphate pulsed supply on the growth of Phaeodactylum tricornutum under different temperature and light levels wes explored. More significant effects of pulsed phosphate supply on Phaeodactylum tricornutum under higher temperature levels were found. The continuous phosphate supply and low-frequency pulses promoted rapid growth of Phaeodactylum tricornutum. However, the interactions of high temperature (18℃、25℃)and light intensity [125μmol/(m2×s)]would inhibit the absorption ability of Phaeodactylum tricornutum on phosphate. Results confirmed that temperature, light and pulsed phosphate supply had significant interactive influences on the Phaeodactylum tricornutum.
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Received: 25 April 2014
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