연구논문 : 분변계 스테롤을 이용한 남해안 패류양식어장(여자만과 강진만)의 퇴적물내 분변오염도 평가
분야
수해양 > 수산생물학
저자
최민규 ( Min Kyu Choi ) , 이인석 ( In Seok Lee ) , 황동운 ( Dong Woon Hwang ) , 김형철 ( Hyung Chul Kim ) , 김예정 ( Ye Jung Kim ) , 김숙양 ( Sook Yang Kim )
발행기관
한국수산과학회(구 한국수산학회)
간행물정보
한국수산과학회지 2013년, 제46권 제4호, 437~444페이지(총8페이지)
파일형식
05907547.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Eight fecal sterols were analyzed in surface sediments collected from shellfish farming areas in Yeoja Bay and Gangjin Bay, Korea, to evaluate sewage-derived fecal pollution. The concentrations of coprostanol, a good marker of sewage-derived organic contamination, in sediments were in the range of 10-530 ng/g-dry in Yeoja Bay, and 10-190 ng/g-dry in Gangjin Bay. Coprostanol levels were markedly higher in the inner bay than in the outer bay. These levels were lower than those reported in urbanized bays in Korea, however, they were comparable to levels in other shellfish farming areas including Gamak Bay. A multivariate analysis of the ratios of other sterols suggested that the sterols originated from sewage and plankton/benthos. Sewage was the dominant source at stations located close to the river mouth and wastewater treatment plant (WWTP) outfalls, and plankton/benthos was the primary source in the outer bay. These results suggest that management of point sources, e.g., WWTP as well as non-point sources, e.g., riverine inputs is important for improving the water quality in Yeoja Bay and Gangjin Bay.
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