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NTIS 바로가기Journal of environmental science international = 한국환경과학회지, v.26 no.7, 2017년, pp.847 - 858
현성수 (제주특별자치도 보건환경연구원) , 김세라 (제주특별자치도 보건환경연구원) , 이민규 (부경대학교 화학공학과) , 감상규 (제주대학교 환경공학과)
For 26 soil series distributed more than 1% among 63 soil series in Jeju Island, natural uncultivated soil samples were collected. For these soils, the chemical speciation of eight heavy metals (Cd, Cr, Cu, Mn, Ni, Pb, V, and Zn) was examined. Further, the Plant Bioavailability (PB) and Mobility Fac...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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토양은 무엇의 집합체인가? | 토양은 중금속 및 미량 금속 등을 포함하여 많은 해로운, 기본적인 그리고 생물학적인 구성요소의 집합체이다(Cottenie and Verloo, 1984). 이 중 중금속에 의한 토양오염은 과거 수십년동안 커다란 관심을 불러 일으켰다(Rodriguez, 2009; Shaheen et al. | |
중금속의 화학적 형태는 중금속의 생물학적 이용률의 측면에 어떤 영향을 미치는가? | 중금속의 생물학적 이용률의 측면에서 보면 중금속의 다양한 화학적 형태는 다른 어떠한 요인보다도 중요하다(Nelson and Donkin, 1985). 토양단면에서 중금속과 토양의 결합력이 약하여 이동성이 크면 식물체로의 흡수가 증가되어 심각한 독성을 유발할 수 있으며, 반대로 토양 중의 중금속이 유기물 및 광물에 강하게 결합되어 있으면 토양수 중으로 용출되지 않아 식물에 축적될 가능성은 낮아져 식물에 미치는 위해성은 감소될 것이다(Ratuzny et al., 2009; Singh and Kalamdhad, 2013). | |
토양 중 중금속 유입원 2가지는 무엇인가? | , 2014). 토양 중 중금속은 모암자체로부터 파생된 중금속의 배경농도를 나타내는 자연적인 지구화학적 유입원과 광산활동, 폐기물, 화학비료, 오수슬러지 또는 대기오염물질의 강하 등의 인위적인 오염원 등 크게 2가지 유입원에 의해 분포하고 있다. 자연적인 유입원으로 화산회 토양은 Cu, Cr, Ni, Zn 등의 중금속 농도가 높은 것으로 알려져 있으며(Burt et al. |
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