연구논문 : 새만금에서 발생한 상괭이(Neophocaena asiaeorientalis)의 대량 폐사: 이상 저온에 따른 영향의 증거
분야
수해양 > 수산생물학
저자
박겸준 ( Kyum Joon Park ) , 안두해 ( Du Hae An ) , 임채웅 ( Chae Woong Lim ) , 이태호 ( Tae Ho Lee ) , 김두남 ( Doo Nam Kim )
발행기관
한국수산과학회(구 한국수산학회)
간행물정보
한국수산과학회지 2012년, 제45권 제6호, 723~729페이지(총7페이지)
파일형식
05907474.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    On 3 February 2011, a mass mortality of finless porpoises Neophocaena asiaeorientalis occurred at a dike of the Saemangeum Sea dike. A total of 249 carcasses were collected; these had been stranded by a sea dike and had floated into the lake formed by the dike. Eight bodies were measured, and four of these were dissected to analyze stomach contents. The blubber thicknesses of five bodies were compared with those of caught finless porpoises in the Yellow Sea from 2010. Finless porpoises at the Saemangeum Sea dike exhibited better nutritive conditions than finless porpoises in the Yellow Sea. Air temperature in January 2011 was lower than the prior 5-year average (P<0.05). Water temperature when the mass mortality occurred was lower than values observed in 2009 and 2010: values below 0°C had been recorded, and the majority of the dike lake had frozen over. The mass mortality of finless porpoises may have been caused by these unusually low temperatures.
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