초록

춘계 마산만에서 적조현상을 일으키는 해산 와편모조류인 S. trochoidea의 cyst를 저니에서 채취, 분리, 발아시켰다. 환경요인에 대한 군증식속도의 실험 결과 수온 $20^{\circ}C$, 염분 $30\%0$, 조도 4,000lux에서 군증식 속도가 빨랐다. 그리고 증식 촉진 유기물질에 대한 실험으로서 규조류(Skeletorema costatum) 배양배지 여과액과 저질추출물질에 대한 실험 결과 각각 0.25ml/ml를 첨가하였을 때 각각 군증식속도가 빠르게 나타났다. 동종의 지방산을 분석한 결과 $C_{16:0}$이 가장 많고 $C_{18:0},\;C_{18:1},\;C_{22:0}$ 그리고 $C_{22:1}$ 등의 순으로 분리되었다.

Abstract

The cyst of Scrippsiella trochoidea from the surface mud in Masan Bay was germinated in the incubator for the culture. This species was one of dinoflagellates responsible for the early spring bloom in the southern coastal water of Korea. The culture experiments were carried out under the various gradients of environmental factors to know their effects on the population growth of this dinoflagellate. With respect to the effects of environmental factors on the growth, it was proved that the maximum cell growth was occurred at 4,000 lux of light intensity, salinity $30\%0$ and temperature $20^{\circ}C$. When 0.25ml/ml of the filtrates of Skeletonema costatum culture medium and the supernatants of soil extracts were added to growth medium as organic growth stimulants, both materials enhanced the population growth. In the fatty acid composition of S. trochoidea, $C_{16:0}$ was the major component, and $C_{18:0},\;C_{18:1},\;C_{22:0}\;and\;C_{22:1}$ were a minor components.

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1. Cho, Eun-Seob ; Lee, Sang-Yong ; Kim, Sang-Soo ; Choi, Yoon-Seok 2007. "Marine Environments and Ecological Characteristics of Phytoplankton in Southern Coastal Waters During June to October in 2004-2006" 한국환경과학회지 = Journal of the environmental sciences, 16(8): 941~957  원문보기 상세보기