Volume 31 Issue 1
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WANG Yan, QI Yu-Zao, LI Shao-Shan. NUTRITIONAL REQUIREMENTS FOR THE GROWTH OF PHAEOCYSTIS GLOBOSA SCHERFFEL[J]. ACTA HYDROBIOLOGICA SINICA, 2007, 31(1): 24-29.
Citation: WANG Yan, QI Yu-Zao, LI Shao-Shan. NUTRITIONAL REQUIREMENTS FOR THE GROWTH OF PHAEOCYSTIS GLOBOSA SCHERFFEL[J]. ACTA HYDROBIOLOGICA SINICA, 2007, 31(1): 24-29.
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NUTRITIONAL REQUIREMENTS FOR THE GROWTH OF PHAEOCYSTIS GLOBOSA SCHERFFEL

  • Department of Environmental Engineering, College of Science& Engineering, Jinan University, Guangzhou 510632;
    2. School of Life Science, South China Normal University, Guangzhou 510613

  • Received Date: July 12, 2005
  • Rev Recd Date: November 21, 2005
  • Published Date: January 24, 2007
    Graphical Abstract
    • Abstract
  • Effects of N, P, Fe, microelements and vitamins on the growth of two strains ( Hong Kong strain and Shantou strain) of Phaeocystis globasa Scherffel were investigated in the present study. N, P, Fe, microelements and vitamins were supplemented to the media at various combinations and concentrations according to orthogonal designed scheme. Results indicated that microelement P was a crucial element for the growth of both HK and ST strains. P. globosa cells grow faster in themedium with supplementary P. In the medium without P, growth curve canpt be observed. The range of specific growth rate for ST strain was much higher than that of HK strain,which indicated that ST strain was more sensit ive than HK strain to nutrients. Statistical analysis that specific growth rate of P. globosa were significant at the level of ppP. globosa. The order of nutritional impacting factors was as follow: P> N> microelements> Fe> vitamin. Our results imply that eutrophication of coastal water is one of the critical factors for triggering P. globosa bloom in the South China Sea.
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    • References (16)
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