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RISS 인기검색어
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- 저자 : Yohei Shimasaki (검색결과 2 건)
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[NOTE]유해성 적조생물, Cochlodinium polykrikoides Margalef (Dinophyceae) 성장에 영향을 미치는 광량과 파장
오석진,윤양호,Tsuneo Honjo,Yuji Oshima,Yohei Shimasaki,김대일 한국조류학회I 2006 ALGAE Vol.21 No.3
The effects of light quality and irradiance on the growth of Cochlodinium polykrikoides were investigated in the laboratory. At 25°C and 30 psu the irradiance-growth curve was described as μ = 0.34 (I-9.76)/(I+12.5), (r=0.98). This suggests half-saturation photon flux density (PFD) (Ks) of 32.0 μmol photons m–2 s–1, and a compensation PFD (Ic) of 9.76 μmol photons m–2 s–1. Because the Ic equates to a depth of ca. 15.4 m, these responses suggest that irradiance at the depth around and below the thermocline in Yeosuhae Bay would provide favorable conditions for C. polykrikoides. Photoinhibition did not occur at 300 μmol photons m–2 s–1, which was the maximum irradiance used in this study. Blue (450 nm), yellow (590 nm) and red (650 nm) light had different effects on the growth of C. polykrikoides: it grew well under blue light, but not under yellow light. This implies that C. polykrikoides is more likely to cause an outbreak of red tide in the open sea where blue-green wavelengths predominate, rather than in enclosed water bodies where suspended particles absorb most of the blue wavelengths, and yellow-orange wavelengths predominate.
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유해성 적조생물, Cochlodinium polykrikoides Margalef (Dinophyceae) 성장에 영향을 미치는 광량과 파장
Oh, Seok-Jin,Yoon, Yang-Ho,Kim, Dae-Il,Shimasaki, Yohei,Oshima, Yuji,Honjo, Tsuneo 한국조류학회(藻類) 2006 ALGAE Vol.21 No.3
The effects of light quality and irradiance on the growth of Cochlodinium polykrikoides were investigated in the laboratory. At 25°C and 30 psu the irradiance-growth curve was described as μ = 0.34 (I-9.76)/(I+12.5), (r=0.98). This suggests half-saturation photon flux density (PFD) (Ks) of 32.0 μmol photons m?2 s?1, and a compensation PFD (Ic) of 9.76 μmol photons m?2 s?1. Because the Ic equates to a depth of ca. 15.4 m, these responses suggest that irradiance at the depth around and below the thermocline in Yeosuhae Bay would provide favorable conditions for C. polykrikoides. Photoinhibition did not occur at 300 μmol photons m?2 s?1, which was the maximum irradiance used in this study. Blue (450 nm), yellow (590 nm) and red (650 nm) light had different effects on the growth of C. polykrikoides: it grew well under blue light, but not under yellow light. This implies that C. polykrikoides is more likely to cause an outbreak of red tide in the open sea where blue-green wavelengths predominate, rather than in enclosed water bodies where suspended particles absorb most of the blue wavelengths, and yellow-orange wavelengths predominate.
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