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NTIS 바로가기Journal of environmental science international = 한국환경과학회지, v.27 no.12, 2018년, pp.1279 - 1290
최정희 (국립환경과학원 자연환경연구과) , 정다위 (국립환경과학원 자연환경연구과) , 이종천 (국립환경과학원 자연환경연구과)
Sea gulls are high trophic level consumers in the coastal environment, and thus, which have been widely used to monitor contamination biomagnified through a food web. However, such monitoring studies using sea gulls have been rare in the Korean literature. The National Environmental Specimen Bank ch...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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DDTs는 무엇인가? | POPs 또한 높은 잔류성과 독성, 생물농축성으로 해양 생태계에 심각한 문제를 야기하고 있다(Bazzi, 2014). POPs의 대표적 오염물질인 DDTs (dichlorodiphenyltrichloroethanes)는 유기 염소계 농약 중 하나로 화학적으로 안정하고 소수 성이며, 독성이 강하고 내분비계 교란물질로 알려져 있 다(Rios et al., 2007). | |
육상기원 오염 물질에 의한 연안 생태계 영향을 모니터링하기 위한 시료종으로 괭이갈매기 알을 선택한 이유는 무엇인가? | 연안환경의 오염물질 모니터링을 위한 바닷새 중 괭이갈매기(Larus crassirostris)는 우리나라 충청남도 태안군, 경상남도 통영시, 경상북도 울릉군, 경기도 옹진군, 전라남도 영광군 등 서해에서 동해에 이르기까지 광범위하게 분포하고 있고, 암초와 초지, 관목 생육지 등에서 집단으로 번식한다(Jeong, 2017). 또한, 비교적 우리 나라에서 서식하고 있는 다른 해양 조류에 비해 알을 구하기 쉬운 장점이 있다. 따라서 NESB는 육상기원 오염 물질에 의한 연안 생태계 영향을 모니터링하기 위한 시료종으로서 괭이갈매기 알을 선정하였다. | |
동해안의 DDTs 농도가 일본 Pacific Ocean Coast보다 높게 검출되는 이유는 무엇인가? | pacificus)를 채취하여 분석한 결과, 동해 안의 ΣDDTs 농도는 320~1,300 μg/kg lipid로써 Sagami Bay를 제외한 일본 Pacific Ocean Coast의 농 도범위(54-120 μg/kg lipid)보다 크게 높은 수준이었다. 동해안이 일본 Pacific Ocean Coast보다 높게 검출되는 이유 또한 러시아와 중국이 80년대 초 DDT 사용을 금지 하였으나 여전히 농업과 공중보건에서 사용하고 있기 때문인 것으로 추정하였다. 또한, 1940년대~1990년대 Soviet Union은 영국과 일본, 이탈리아보다 매우 많은 technical polychlorinated biphenyl (PCB)를 생산하였 고, PCB 분포조사에서도 DDTs와 유사하게 동해의 오 징어에서 높게 검출되는 것은 러시아와 일본으로부터 PCB의 끊임없는 유입을 반영할지도 모른다고 하였다. |
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