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와편모조류 Alexandrium affine의 생장에 미치는 용존태 무기 및 유기 영양염(질소와 인)의 영향
Effects of Dissolved Inorganic and Organic Nutrient (Nitrogen and Phosphorus) on the Growth of Dinoflagellate Alexandrium affine 원문보기

海洋環境安全學會誌 = Journal of the Korean society of marine environment & safety, v.27 no.5, 2021년, pp.630 - 638  

오석진 (부경대학교 해양학과) ,  김지혜 (부경대학교 해양학과) ,  박경우 (국립수산과학원 기후변화연구과) ,  김석윤 (부경대학교 해양학과)

초록
AI-Helper 아이콘AI-Helper

본 연구에서는 와편모조류 Alexandrium affine(LIMS-PS-2345)의 생장에 미치는 용존태 무기 및 유기 영양염의 영향을 조사하였다. 영양염 흡수 동력학 실험에서 A. affine의 최대흡수속도(ρmax)와 반포화상수(Ks)는 질산염에서 77.0 pmol/cell/hr과 17.6 μM, 인산염에서 15.5 pmol/cell/hr과 3.88 μM로 산출되어, 무기영양염에 대하여 높은 요구량 및 낮은 친화성을 가지고 있는 것으로 나타났다. 유기 영양염에 따른 A. affine의 생장속도를 확인한 결과, 유기 질소 urea, glycine와 유기 인 adenosine triphosphate(ATP), glycerol phosphate(Glycerol-P) 첨가구에서 무기 영양염 첨가구의 70 % 이상 생장속도를 보였다. 따라서 낮은 무기 영양염 환경에서 A. affine의 우점화와 종간경쟁에서 우위를 위해서는 용존태 유기 영양염의 이용이 필요할 것으로 생각된다.

Abstract AI-Helper 아이콘AI-Helper

In this study, we investigated the effects of dissolved inorganic and organic nutrient on the growth of dinoflagellate Alexandrium affine (LIMS-PS-2345). The maximum uptake rates (ρmax) and half saturation constants (Ks) calculated from the uptake kinetics experiment were 77.0 pmol/cell/hr, 1...

주제어

참고문헌 (61)

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