Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
권호 표지

Aquatic Ecosystem Health Assessment in Middle Reach of Suyoung River using Characteristics of Benthic Macroinvertebrate and Fish Fauna

수질, 저서성 대형무척추동물 및 어류의 생태특성을 이용한 수영강 중류 수생태 건강성 평가

  • Jeon, Dae-Young (Division of Environmental Research, Institute of Health & Environment, Busan Metropolitan City) ;
  • Lee, So-Lim (Division of Environmental Research, Institute of Health & Environment, Busan Metropolitan City) ;
  • Son, Jung-won (Division of Environmental Research, Institute of Health & Environment, Busan Metropolitan City) ;
  • Cha, Young-Uk (Division of Environmental Research, Institute of Health & Environment, Busan Metropolitan City) ;
  • Kwon, Ki-Won (Division of Environmental Research, Institute of Health & Environment, Busan Metropolitan City) ;
  • Yoo, Pyung-Jong (Division of Environmental Research, Institute of Health & Environment, Busan Metropolitan City)
  • 전대영 (부산광역시 보건환경연구원 환경조사과) ;
  • 이소림 (부산광역시 보건환경연구원 환경조사과) ;
  • 손정원 (부산광역시 보건환경연구원 환경조사과) ;
  • 차영욱 (부산광역시 보건환경연구원 환경조사과) ;
  • 권기원 (부산광역시 보건환경연구원 환경조사과) ;
  • 유평종 (부산광역시 보건환경연구원 환경조사과)
  • Received : 2010.07.12
  • Accepted : 2010.10.12
  • Published : 2010.11.30
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Abstract

Bentic macroinvertebrate and fish fauna were investigated from September 2008 to October 2009 in the middle reach of the Suyoung river in Busan. During the survey period benthic macroinvertebrates were collected total 35 species at the three sites (Hanmul-gyo, Dongcheon-gyo, Seokdae Jct.) of Suyoung river. At that sites, species diversity index was 1.9, 1.5, 1.6, dominance index was 0.75, 0.81, 0.86 and Korean Saprobic Index (KSI) was 1.8(B), 4.4(D), 4.4(D) on average, respectively. Dominant species was Caenis Kua, Chironomidae sp., at Hanmul-gyo site and Limnodrilus gotoi, Chironomidae sp., at Dongcheon-gyo and Seokdae Jct. sites. Fish fauna was also investigated at the two sites (Hanmul-gyo and Seokdae Jct.) of Suyoung river. Total caught fishes were 10 species 32 individuals in the first survey and 6 species 26 individuals in the second survey. Dominant species was Carassius auratus in the both surveys. Index of Biological Integrity (IBI) value was C grade at the Hanmul-gyo and D grade at the Seokdae Jct.

Keywords

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