연구논문 : 패류양식어장 밀집해역의 퇴적환경내 유기물 분포특성 -여자만과 남해 강진만-
분야
수해양 > 수산생물학
저자
최민규 ( Min Kyu Choi ) , 김형철 ( Hyung Chul Kim ) , 황동운 ( Dong Woon Hwang ) , 이인석 ( In Seok Lee ) , 김영숙 ( Young Sook Kim ) , 김예정 ( Ye Jung Kim ) , 최희구 ( Hee Gu Choi )
발행기관
한국수산과학회(구 한국수산학회)
간행물정보
한국수산과학회지 2013년, 제46권 제4호, 424~436페이지(총13페이지)
파일형식
05907546.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Organic enrichment was investigated in surface sediments from the Yeoja and Gangjin Bays of Korea, which contain dense shellfish farms, in order to evaluate the contamination status and temporal changes in shellfish farming along these coasts. The degree of organic enrichment was determined using geochemical indicators (chemical oxygen demand, ignition loss, acid volatile sulfide, total organic carbon in sediments, and total nitrogen in sediments, ammonium and nitrate in pore water, and bioluminescence inhabitation for sediments). Temporal changes in organic enrichment conditions were detected by comparing our 2012 data to those previously reported from a survey conducted in 1999/2000. Organic enrichment was significantly higher in September than in May and July, in Gangjin Bay than in Yeoja Bay, and significantly higher in shellfish farms than in reference sites not used to culture shellfish. Ammonium concentrations in pore water were two orders of magnitude greater than nitrate concentrations, suggesting that these bays represent nitrogen-reducing environments.
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