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NTIS 바로가기海洋環境安全學會誌 = Journal of the Korean society of marine environment & safety, v.24 no.1, 2018년, pp.78 - 91
황현진 (국립수산과학원 어장환경과) , 황동운 (국립수산과학원 어장환경과) , 이가람 (국립수산과학원 어장환경과) , 김형철 (국립수산과학원 어장환경과) , 권정노 (국립수산과학원 어장환경과)
In order to understand the distributions of organic matter and heavy metal concentrations in the surface sediment of Jaran Bay, we measured the grain size, total organic carbon (TOC), total nitrogen (TN), and heavy metals (As, Cd, Cr, Cu, Fe, Hg, Mn, Pb, and Zn) in surface sediments collected at 15 ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
굴의 특징은 ? | 전 세계적 수산물 생산에 있어서 가장 중요한 어패류 중에 하나는 굴이며, 대부분 양식을 통해 생산되고 있다. 우리나라에서 굴은 1923년 경남 가덕도연안 간사지에서 바닥양식을 시작하여 1960년대까지 투석식, 말목수하식 등 소규모 양식방법으로 생산이 이루어지다가 1969년 남해 통영연안을 중심으로 연승수하식 양식방법이 널리 보급되면서 생산량이 크게 증가하여 2011년 기준으로 우리나라 양식 전체 생산량의 약 19 %(패류 전체 생산량의 약 72 %)를 차지할 만큼 중요한 양식품종으로 자리 잡고 있다(NFRDI, 2012; Shim et al. | |
자란만의 특징은 ? | 남동해안에 위치한 자란만은 우리나라의 대표적인 굴 양식해역 중 하나로, 북동·북서 방향으로 경상남도 고성군 하일면과 삼산면으로 둘러싸여 있고 남쪽으로는 외해로 크게 열려있는 직사각형 모양의 반폐쇄적인 만이다. 만의 전체면 적은 약 3. | |
중금속 오염을 평가하는 방법의 하나의 예시는 ? | 퇴적물 중 중금속 오염을 평가하는데 있어서 다양한 평가 방법이 있다. 먼저, 각 중금속 원소별 오염을 평가하는 데 있어서 가장 쉽고 편리하게 중금속 오염을 파악할 수 있는 방법은 퇴적물 기준(Sediment quality guidelines, SQGs)이다. 이 방법은 중금속 원소별 분석결과와 기준농도와의 비교를 통하여 신속하게 오염을 평가할 수 있는 장점이 있지만, 기준농도의 범위가 매우 넓어 오염정도 및 인위적인 오염여부를 파악하는데 어려움이 있다. |
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