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제주도내 양식장 배출수의 이화학적 특성 분석

Physico-Chemical Characteristics of Aquacultural Discharging Water in Jeju Island

  • 김만철 (제주대학교 수산생명의학과 해양과학연구소) ;
  • 장태원 (제주대학교 수산생명의학과 해양과학연구소) ;
  • 한용재 (제주대학교 수산생명의학과 해양과학연구소) ;
  • 김주상 (제주대학교 수산생명의학과 해양과학연구소) ;
  • ;
  • 오덕철 (제주대학교 생명과학과) ;
  • 김기영 (제주대학교 해양생명과학과) ;
  • 허문수 (제주대학교 수산생명의학과 해양과학연구소)
  • Kim, Man-Chul (Department of Aquatic Life Medicine & Marine and Environmental Research Institute, Jeju National University) ;
  • Jang, Tae-Won (Department of Aquatic Life Medicine & Marine and Environmental Research Institute, Jeju National University) ;
  • Han, Yong-Jae (Department of Aquatic Life Medicine & Marine and Environmental Research Institute, Jeju National University) ;
  • Kim, Ju-Sang (Department of Aquatic Life Medicine & Marine and Environmental Research Institute, Jeju National University) ;
  • Harikrishnan, Remasamy (Department of Aquatic Life Medicine & Marine and Environmental Research Institute, Jeju National University) ;
  • Oh, Duck-Chul (Department of Life Science, Jeju National University) ;
  • Kim, Ki-Young (Department of Marine Life Science, Jeju National University) ;
  • Heo, Moon-Soo (Department of Aquatic Life Medicine & Marine and Environmental Research Institute, Jeju National University)
  • 발행 : 2009.07.30

초록

Physical and chemical analyses of water discharged from 4 crowded farms (Sungsan, Pyosun, Wimi and Daejung) in Jeju island were performed from July, 2006 to Dec, 2006, and the result of the analyses showed that hydrogen ion concentrations (pH) for water discharged from Sungsan farm was 7.74, Pyosun was 7.68, Wimi was 7.68 and Daejung was 7.7. Salinity levels for Sungsan, Pyosun and Wimi had an average of 31$\sim$33 $^\circ$/$_\circ$$_\circ$ indicating characteristics of far distance areas, whereas that of Daejung was 28.81 %, which was far lower compared to regular sea water salinity. As the result of measuring dissolved oxygen (DO) for each area, each area showed first graded DO for each discharged water based on water quality level for each sea district. The result of measuring the temperature for discharged water showed that water temperatures for summer were 23$\sim$25$^\circ$C, and those for winter were 16$\sim$ 18$^\circ$C. Nitrogen concentrations for discharged water exceeded each sea area's water quality level in all farms. In the case of phosphate, its average value was 0.48 mg/l for Sungsan, 0.55 mg/I for Pyosun, 0.66 mg/I for Wimi, and 0.44 mg/l for Daejung, and chemical oxygen demand (COD) was shown to be 1.5 mg/l 1.8 mg/I, 1.6 mg/I and 2.3 mg/I for Sungsan, Pyosun, Wimi and Daejung respectively. For suspended solids (SS), the average concentration was 19.3 mg/I, 21.2 mg/I, 21.3 mg/I and 18.5 mg/I for Sungsan, Pyosun, Wimi and Daejung respectively. The results of physical and chemical analyses for discharged water in farms based on time showed that almost all items were shown to increase in the forenoon and decrease, overall, in the afternoon.

키워드

참고문헌

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피인용 문헌

  1. Coastal Eutrophication caused by Effluent from Aquaculture Ponds in Jeju vol.19, pp.4, 2013, https://doi.org/10.7837/kosomes.2013.19.4.315
  2. Green tide development associated with submarine groundwater discharge in a coastal harbor, Jeju, Korea vol.7, pp.1, 2017, https://doi.org/10.1038/s41598-017-06711-0