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NTIS 바로가기바다 : 한국해양학회지 = The sea : the journal of the Korean society of oceanography, v.24 no.1, 2019년, pp.1 - 17
김은영 (한국해양대학교 해양과학기술전문대학원 해양과학기술융합학과) , 안성민 (한국해양과학기술원 해양생태연구센터) , 최동한 (한국해양대학교 해양과학기술전문대학원 해양과학기술융합학과) , 이호원 (한국해양과학기술원 해양생태연구센터) , 노재훈 (한국해양대학교 해양과학기술전문대학원 해양과학기술융합학과)
In this study, the surveys were carried out from October (2016) to October (2017) along the tidal flat of Geunso Bay, Taean Peninsula of the western edge of Korea. The sampling trips were carried out for a total of 16 times, once or twice a month. In order to investigate the monthly variation of the...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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저서미세조류의 구성은? | 퇴적물 상부층에 서식하는 저서미세조류(Microphytobenthos, MPB)는 하구역 일차생산력의 50%까지 기여하는 중요한 일차생산자이다(Underwood and Kromkamp, 1999). 저서미세조류는 저서성 규조류, 남조류, 녹조류, 유글레나, 광합성 박테리아 등으로 구성되고, 퇴적물 식자의 먹이원인 동시에, 수층으로 재부유 시 부유물 식자의 중요한 먹이원이다(MacIntyre et al., 1996; Sullivan and Moncreiff, 1990; Heip et al. | |
현미경을 이용한 저서미세조류 분석 방법의 단점은? | 현미경을 이용한 저서규조류 군집 연구에는 인천연안 갯벌(Shim and Joe, 1984), 금강하구 조간대(Kim and Cho, 1985), 만경 동진 갯벌(Oh, 1990) 등에서 수행되었다. 하지만 현미경을 이용한 분석 방법은 실험자의 전문성과 많은 시간이 요구되므로 최근에는 HPLC (High performance liquid chromatography)를 이용한 저서미세조류 군집 연구가 활발히 진행되고 있다. HPLC는 시료 내 각 지시색소의 정량적 분석을 가능케 하였으며, 따라서 주요색소(chlorophyll a)를 통해 현존량을 추정하거나, 지시색소(marker pigments)를 이용하여 강(class) 수준의 군집조성을 파악할 수 있다(Lee et al. | |
HPLC의 섭식강도 파악 측면에서의 장점은? | , 2009). 뿐만 아니라 chlorophyll 분해산물을 통해 저서미세조류 군집의 생리적 상태와 상위포식자에 의한 섭식강도(grazing intensity) 파악에도 응용할 수 있어 활용 가치가 높다(Bidigare et al., 1986; Burkill et al. |
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