Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Impingement of Fish on Traveling Screens at Hadong Power Plant

하동화력발전소 취수구 스크린에 충돌사망하는 어류에 관한 연구

  • Huh, Sung-Hoi (Department of Oceanography and Korea Inter-University Institute of Ocean Science, Pukyong National University) ;
  • Choo, Hyun-Gi (Department of Oceanography and Korea Inter-University Institute of Ocean Science, Pukyong National University) ;
  • Baeck, Gun Wook (Faculty of Marine Technology, Chonnam National University)
  • Received : 2006.04.26
  • Accepted : 2006.07.18
  • Published : 2006.09.30
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Abstract

To investigate the impingement of fish on the traveling screens, fishes were collected from the traveling screens at Hadong Power Plant through the year of 1999. A total of 84 fish species were collected during the study period. The dominant species were Leiognathus nuchalis, Engraulis japonicus, Trichiurus lepturus and Takifugu niphobles. These four species accounted for 78.2% of the total number of individuals and 52.0% of total biomass collected. The number of fish species, number of individuals, biomass and species diversity indices fluctuated with the seasons. The number of species and biomass were high in April and August, and the number of individuals was high in April and July. However, the number of fish species, number of individuals and biomass of fishes showed low values in winter.

하동화력발전소의 취수구 스크린에 충돌 사망하는 어류의 종조성 및 계절변동을 조사하기 위해서 1999년 1월에서 12월까지 1년간 하동화력발전소 취수구 스크린에서 어류를 채집하였다. 조사기간 중 채집된 어종은 총 84종이었다. 가장 많이 채집된 어종은 주둥치(Leiognathus nuchalis)였으며, 다음으로 멸치 (Engraulis japonicus), 갈치 (Trichiurus lepturus), 복섬 (Takifugu niphobles) 순이었다. 이들 네 어종이 전체 채집개체수의 78.2%, 채집생체량의 52.0%를 차지하였다. 어종수, 채집개체수, 생체량과 종다양도지수는 뚜렷한 계절변동을 보였는데, 어종수와 생체량은 4월과 8월에 높은 값을 보였으며, 개체수는 4월과 7월에 높은 값을 보였다. 그러나 겨울에는 채집어종수, 채집개체수와 생체량 모두 낮은 값을 보였다. 발전소 주변 연안역에서의 어류 출현량의 계절 변동이 하동화력발전소 취수구 스크린에서 충돌사망하는 어류의 채집량에 영향을 미친 것으로 보인다.

Keywords

References

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