Journal of Marine Life Science (한국해양생명과학회지)

The Korean Society of Marine Life Science (한국해양생명과학회)
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Ichthyofauna and Community Structure of Fish in Chuncheon and Andong Reservoirs

춘천호와 안동호의 어류상과 군집 특성

  • Kim, Jin Hui (Department of Aquatic Life Medical Sciences, Sunmoon University) ;
  • Kwon, Joon Yeong (Department of Aquatic Life Medical Sciences, Sunmoon University) ;
  • Song, Jun Young (Inland Aquaculture Research Center, National Institute of Fisheries Sciences (NIFS)) ;
  • Oh, Yun Kyeong (Inland Aquaculture Research Center, National Institute of Fisheries Sciences (NIFS)) ;
  • Kim, Kwang Seog (Inland Aquaculture Research Center, National Institute of Fisheries Sciences (NIFS)) ;
  • Hur, Jun Wook (Faculty of Marine Applied Biosciences, Aquaculture and Aquatic Science Major, Kunsan National University)
  • 김진희 (선문대학교 수산생명의학과) ;
  • 권준영 (선문대학교 수산생명의학과) ;
  • 송준영 (국립수산과학원 내수면양식연구센터) ;
  • 오윤경 (국립수산과학원 내수면양식연구센터) ;
  • 김광석 (국립수산과학원 내수면양식연구센터) ;
  • 허준욱 (군산대학교 해양생명응용과학부 해양생명과학전공)
  • Received : 2019.11.27
  • Accepted : 2019.12.05
  • Published : 2019.12.13
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Abstract

Ichthyofauna and community structure of fish were studied for two fisheries resource reserves, Chuncheon reservoir and Andong reservoir from 2017 to 2018. Fish were sampled 8 times at each reservoir. In Chuncheon reservoir, total number of fish sampled was 1,197 representing 34 species and 13 families. Dominant species and sub-dominant species were Lepomis macrochirus (23.2%) and Zacco platypus (17.4%), respectively. In Andong reservoir, total number of fish sampled was 1,393 representing 24 species and 9 families. Dominant species and sub-dominant species were L. macrochirus (15.7%) and Carassius carassius (15.2%), respectively. The diversity index of two sampling site increased compared to previous investigation. The evenness index was not changed much in Andong reservoir but increased in Chuncheon reservoir. Ichthyofauna and community structure of fish at sampling sites in both reservoirs maintained stable except high proportion of exotics species with needed to be reduced by consistent effort. For better fish population in these communities, however, various efforts such as seed stocking and installment of artificial spawning ground should be provided to these reservoirs.

수산자원보호구역인 춘천호와 안동호에서 어류 군집 분석을 실시하였다. 조사는 2017년부터 2018년까지 수행되었으며, 어류상을 파악하고 우점종 및 아우점종을 확인한 결과 춘천호에서 채집된 어류는 총 13과 34종 1,197개체였다. 채집된 어류 중 블루길(Lepomis macrochirus)이 23.2%로 우점하였으며, 피라미(Zacco platypus)가 17.4%로 아우점하였다. 안동호에서 채집된 어류는 총 9과 24종 1,393개체였다. 우점종은 블루길이 15.7%로 가장 많이 채집되었으며, 붕어(Carassius carassius)가 15.2%로 아우점하였다. 두 조사지점의 종다양도는 과거보다 증가하는 경향을 보였으며, 균등도는 안동호에서는 차이가 보이지 않았으나 춘천호에서는 증가하는 경향을 보였다. 두 인공호 모두 어류상 및 군집구조 측면에서 안정된 상태를 유지하고 있으나 외래종 비율을 감소시키기 위한 지속적인 노력이 필요하고, 다양한 어종이 안정적으로 개체수를 유지할 수 있도록 수산자원 종자 방류 및 인공산란장 설치 등과 같은 관리가 필요하다.

Keywords

Acknowledgement

이 논문은 국립수산과학원의 수산생물방역프로그램 개발·운영(R2019058)의 지원으로 수행되었으며 연구비 지원에 감사드립니다.

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