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Analysis of the Effectiveness of Controlling the Number of Ecosystem Disturbance Fish Species Using the Native Carnivorous Fish Species of Korea

첫 페이지 보기
  • 발행기관
    강원대학교 산림과학연구소 바로가기
  • 간행물
    Journal of Forest and Environmental Science KCI 등재 KCI 등재 바로가기
  • 통권
    제34권 제1호 (2018.02)바로가기
  • 페이지
    pp.66-70
  • 저자
    Kwang Yeol Lee, Han Kyu Lee, Jae Yong Lee, Jae Seok Choi
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A325467

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초록

영어
Preliminary investigation and analysis of the effectiveness of controlling the number of ecosystem disturbance fishes residing in Togyo reservoir using the native carnivorous fish species were performed. The data were collected from August 2011 to November 2016. The release of native carnivorous fish species was carried out from the end of May, 2012 to the end of July, 2016, considering fishing ban period of Siniperca scherzeri. The comparative abundance of Lepomis macrochirus was found to be 12.8% in the first year and increased a little bit after releasing the native carnivorous fish. However, it decreased to 3.9% in the last year showing a value of less than 5%. On the other hand, the Micropterus salmoides populations tended to increase after the release of native carnivorous fish species. This seems to be the result of the segregation of habitat by interspecific competition with S. scherzeri. The M. salmoides moved from inside of the lake to edges, and to influent tributaries. Stable isotope analysis showed that Channa argus had the highest levels of nutrition, S. scherzeri and M. salmoides were in competition, and L. macrochirus was used as a feed source for released species. Changes of the fish community in the Togyo reservoir was represented by the rank abundance curves based on the results of the fish fauna. As a result, the fish group in incoming tributaries are somewhat disturbed after the release of the native carnivorous species. Similarly, the fish group in the reservoir were disturbed as well but it’s gradually stabilizing afterwards. Therefore, the control of the ecosystem disturbance species using the native carnivorous fish of Korea is effective and helps to stabilize the fish community in the lake.

목차

Abstract
 Introduction
 Materials and Methods
 Results
 Discussion
 Acknowledgements
 References

키워드

Togyo reservoir fishing ban period changes of the fish community stable isotope analysis rank abundance curves

저자

  • Kwang Yeol Lee [ Environmental Institute, Kangwon National University, Chuncheon 24341, Republic of Korea ]
  • Han Kyu Lee [ College of Forest and Environmental Science, Kangwon National University, Chuncheon 24341, Republic of Korea ]
  • Jae Yong Lee [ Environmental Institute, Kangwon National University, Chuncheon 24341, Republic of Korea ]
  • Jae Seok Choi [ Environmental Institute, Kangwon National University, Chuncheon 24341, Republic of Korea ] Corresponding author

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    강원대학교 산림과학연구소 [Institute of Forest Science Kangwon National University]
  • 설립연도
    1975
  • 분야
    농수해양>임학
  • 소개
    강원대학교부설산림과학연구소(이하 “연구소”라 한다)는 산림에 관한 제반 학술적 연구를 통하여 산림자원의 효용을 밝히고 임업 및 임산업의 발전에 기여함을 목적으로 한다.

간행물

  • 간행물명
    Journal of Forest and Environmental Science [산림과학연구]
  • 간기
    계간
  • pISSN
    2288-9744
  • eISSN
    2288-9752
  • 수록기간
    1981~2025
  • 등재여부
    KCI 등재
  • 십진분류
    KDC 526 DDC 634

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