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강진만 해역의 해수 및 패류에 미치는 위생학적 영향 평가(2021-2023)

Assessment of Bacteriological Quality Evaluation of Seawater and Shell-fish from the Gangjin Bay, Korea, from 2021-2023

  • 박현진 (국립수산과학원 남해수산연구소 양식산업과) ;
  • 홍예원 (국립수산과학원 남해수산연구소 양식산업과) ;
  • 김덕훈 (국립수산과학원 남해수산연구소 양식산업과) ;
  • 이지희 (국립수산과학원 남해수산연구소 양식산업과) ;
  • 최우석 (국립수산과학원 남동해수산연구소) ;
  • 김풍호 (국립수산과학원 남해수산연구소 양식산업과)
  • Hyun Jin Park (South Sea Fisheries Research Institute, National Institute of Fisheries Sciecne) ;
  • Ye Won Hong (South Sea Fisheries Research Institute, National Institute of Fisheries Sciecne) ;
  • Deok Hoon Kim (South Sea Fisheries Research Institute, National Institute of Fisheries Sciecne) ;
  • Ji Hee Lee (South Sea Fisheries Research Institute, National Institute of Fisheries Sciecne) ;
  • Woo Seok Choi (Southeast Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Poong Ho Kim (South Sea Fisheries Research Institute, National Institute of Fisheries Sciecne)
  • 투고 : 2024.07.09
  • 심사 : 2024.09.19
  • 발행 : 2024.10.31

초록

We evaluated the bacteriological content of seawater and shellfish in Gangjin Bay from January 2021-December 2023. We analyzed sanitary indicator microorganisms such as the coliform group, fecal coliforms, and Escherichia coli in the discharge water of major inland pollutants, seawater and shellfish. In 1,692 seawater samples from designated and non-designated areas, the fecal coliform counts ranged from <1.8 to 1,600 MPN/100 mL and <1.8 to 3,500 MPN/100 mL, respectively. The geometric mean (GM) and estimated 90th percentile of fecal coliforms in the designated and non-designated areas were 1.9-2.8 MPN/100 mL and 2.9-11.5 MPN/100 mL, and 1.9-2.8 MPN/100 mL and 3.9-17.4 MPN/100 mL, respectively. E. coli levels in 248 shellfish (oyster, shortenck clam, and ark shell clam) were <18 to 490 MPN/100 g, and their standard plate count ranged from <30 to 9,200 CFU/g. Fecal coliform levels and their radial spread in the impacted area of 10 contaminants were <1.8 to 790,000 MPN/100 mL and 5 to 5,153 m, respectively. Thus, the bacteriological levels of the in Gangjin Bay met the US water quality standards for designated oyster cultivation area and was classified as Class A under EU regulations.

키워드

과제정보

본 연구는 2024년도 국립수산과학원 수산과학연구사업(R2024057)의 지원으로 수행되었습니다.

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