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NTIS 바로가기환경생물 = Korean journal of environmental biology, v.38 no.2, 2020년, pp.254 - 270
김혜선 (국립해양생물자원관 생태보전실) , 김하련 (국립해양생물자원관 생태보전실) , 양동우 (국립해양생물자원관 생태보전실) , 윤양호 (전남대학교 해양융합과학과)
We conducted a seasonal field survey to analyze the distribution patterns of a phytoplankton community and biological oceanographic characteristics in the Geum river estuary in 2018. The results showed that the phytoplankton community consisted of 58 genera and 116 species, showing a relatively simp...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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조석차가 큰 하구해역의 특성은? | 이러한 하구해역은 담수 유입 강도에 따라 쐐기 모양의 염분 성층구조를 보이는 등 다양한 혼합특성을 나타내어(Pritchard 1989), 물리ㆍ화학적 환경인자는 물론 생물학적 인자의 농도 경도도 큰 특징을 보인다(Hoshiai 1964;McLusky 1993). 특히 서해처럼 조석차가 큰 하구해역은 담수 유입과 조석주기에 따른 해수 혼합 정도에 따라 생물의시ㆍ공간분포가 다른 특성을 나타내며(Trigueros and Orive 2000), 영양염 공급이 원활하여 높은 농도를 나타내기에 상대적으로 대형이면서, 환경변화에 적응 가능한 식물플랑크톤 종들이 우점하는 특성을 나타낸다(Cloern 2018). | |
하구해역이란? | 하구해역은 하천수가 바다로 유출되어, 해수와 혼합되는 해역으로 육상에서 다양한 유기물과 무기원소 등이 유입되기에 생물해양학은 물론 환경해양학에서도 관심이 높은 곳이다(Hopkinson and Smith 2005; Cloern et al.2014). | |
하구해역을 포함하는 해역의 효율적 관리 및 보전에 대해서 연구가 필요한 이유는 무엇인가? | 2002; Kim et al. 2009; Yeo 2010,2012) 및 고군산 군도 연안해역(Yoon 2015) 등이 있지만, 하구해역을 포함한 광역적 해역을 대상으로 한 연구결과는 없다. 그리고 최근 환경을 포함한 금강 하구역의 종합관리시스템 개발에 관한 연구보고(Kim et al. |
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