Journal of Internet of Things and Convergence (사물인터넷융복합논문지)

The Korea Internet of Things Society (한국사물인터넷학회)
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A Research on the Effects of Thermal Discharged into Stream on Macroinvertebrate

하천으로 방류되는 온배수가 저서성대형무척추동물에 미치는 영향에 대한 연구

  • Je-Bin Yu (Dept of ICT Environmental Convergence Engineering, Hansei University) ;
  • Sun-Jib Kim (Division of ICT Convergence Engineering, Hansei University)
  • 유제빈 (한세대학교 ICT환경융합공학과) ;
  • 김선집 (한세대학교 ICT 융합학과)
  • Received : 2024.09.02
  • Accepted : 2024.10.07
  • Published : 2024.10.31
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Abstract

This study was conducted to survey the effect of high-temperature thermal discharge into stream on macroinvertebrate. The survey was conducted from 2021 to 2022 in three rivers: Stream A, B located in Gyeonggi-do and Stream C located in Chungcheongbuk-do. The survey points were selected upper stream and lower stream, centering on the thermal effluent where the thermal discharge was discharged, and the species, Biological community analysis, feeding functional group, and EPT-Group ratio were analyzed. The average water temperature difference between upper stream and lower stream points is at least 5.1℃ to a maximum of 11.6℃. As a result of biological community analysis, a stable community state with a relatively low dominance index in the upper stream and a high biodiversity index was shown. The EPT-Group ratio also showed a relatively high ratio upper stream. Overall, it showed better aquatic environment upper stream than lower stream affected by Thermal discharge. In the future, it is expected that more diverse ways to improve the aquatic environment will be able to be presented through continuous and complex research on the aquatic environment and aquatic ecosystem.

본 연구는 고온의 온배수가 하천으로 방류되어 저서성대형무척추동물에 미치는 영향을 알아보기 위해 진행하였다. 조사는 경기도에 위치한 하천 A, 하천 B, 충청북도 위치한 하천 C 등 3개 하천에서 2021년부터 2022년까지 실시하였다. 조사지점은 온배수가 방류되는 방류구를 중심으로 상류 및 하류에 지점을 선정하고, 출현 종조성, 생물 군집분석, 섭식기능군 분류 및 EPT-Group을 분석하였다. 상류와 하류 지점의 평균 수온 차이는 최소 5.1℃에서 최대 11.6℃이었다. 생물 군집분석 결과, 상류에서 상대적으로 우점도지수가 낮고, 다양도지수가 높은 안정적인 군집상태를 나타냈다. EPT-Group 비율도 상류에서 상대적으로 높은 비율을 나타냈다. 즉 전반적으로 온배수의 영향을 받는 하류보다 상류에서 더 양호한 수환경 상태를 나타냈다. 향후 지속적이고 복합적인 수환경 및 수생태계 연구를 통해 보다 다양한 수환경 개선 방안을 제시할 수 있을 것으로 본다.

Keywords

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