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The Korean Society of Phycology (한국조류학회(藻類))
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Growth characteristics of bloom forming Mallomonas elongata (Synurophyceae) based on silicate and light intensity

  • Kim, Han-Soon (Department of Biology, Kyungpook National University) ;
  • Lee, Kyung-Lak (Department of Forensic Medicine, National Institute of Scientific Investigation)
  • Received : 2011.01.16
  • Accepted : 2011.02.24
  • Published : 2011.03.15
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Abstract

A dominant planktonic bloom-forming species, Mallomonas elongata was isolated from a small shallow eutrophic pond. The growth characteristics of this species on variable silicate concentrations and light intensities were investigated in laboratory unialgal cultures. In culture condition of $15^{\circ}C$, the maximum population growth and the highest growth rate of M. elongata occurred at a light intensity of $80\;{\mu}mol\;m^{-2}s^{-1}$, and in culture condition of $18^{\circ}C$, it exhibited the maximum population growth and the highest growth rates at a light intensity of $50\;{\mu}mol\;m^{-2}s^{-1}$. Silicate concentration had no effect on the population growth and growth rate of M. elongata.

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References

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