Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Effects of Substrate Size on the Growth of 4 Microphytobenthos Species (Achnanthes sp., Amphora sp., Navicula sp. and Nitzschia sp.)

저서미세조류 4종(Achnanthes sp., Amphora sp., Navicula sp. 그리고 Nitzschia sp.)의 성장에 영향을 미치는 부착기질 크기의 영향

  • Received : 2011.08.01
  • Accepted : 2011.12.09
  • Published : 2012.01.31
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Abstract

The effects of substrate size on the growth of microphytobenthos Achnanthes sp., Amphora sp., Navicula sp. and Nitzschia sp. were examined using glass beads in order for phytoremediation in the benthic layer of coastal waters. The glass beads used in this study were 0.09~0.15 mm (G.B 1), 0.25~0.50 mm (G.B 2), 0.75~1.00 mm (G.B 3) and 1.25~1.65 mm (G.B 4). No addition of glass bead used as control. The specific growth rate and maximum cell density of four microphytobenthos species were increasing with decreasing size of glass beads. Moreover, the control experiment without added attachment substrates showed the lowest specific growth rate and maximum cell density. Therefore, the suitable attachment substrates for mass culture of microphytobenthos seems to be important in order for phytoremediation using microphytobenthos.

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References

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