Ecology and Resilient Infrastructure

응용생태공학회 (Korean Society of Ecology and Infrastructure Engineering)
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부유사에 의한 하천 저서성 무척추동물의 영향 평가 - 조각깔따구 대상의 실험 -

Impact Assessment of Suspended Sediment on Benthic Invertebrates in River - Experiments with Glyptotendipes tokunagai -

  • 강태욱 (경성대학교 산학협력단) ;
  • 정철웅 (부경대학교 일반대학원 토목공학과) ;
  • 김명철 (SOKN 생태보전연구소) ;
  • 이남주 (경성대학교 토목공학과)
  • Taeuk Kang (Industry-University Cooperation Foundation, Kyungsung University) ;
  • Cheol Ung Jeong (Department of Civil Engineering, Graduate School, Pukyong National University) ;
  • Myoung Chul Kim (SOKN Institute of Ecology & Conservation) ;
  • Namjoo Lee (Department of Civil Engineering, Kyungsung University)
  • 투고 : 2024.06.07
  • 심사 : 2024.06.20
  • 발행 : 2024.06.30
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초록

다양한 생물군이 서식하는 하천 수생태계는 부유사의 영향을 받는 반면, 이에대한 영향을 정량적이고, 객관적으로 평가할 수 있는 방법과 기준은 미비한 실정이다. 이 연구의 목적은 하천의 저서성 무척추동물인 조각깔따구에 대하여 실험을 통해 부유사의 영향을 분석하는 것이다. 실험은 부유사 농도(탁도)와 노출시간에 따른 생존 개체수를 조사하는 것으로 진행되었다. 그리고 해당 실험 결과에 대하여 다양한 회귀분석을 수행하여 조각깔따구의 부유사 영향평가모형을 제시하였다. 이 연구에서 제안된 부유사영향평가모형에 의한 결정계수는 0.903으로 높은 적합도를 보였다. 본 연구의 결과는 하천에 서식하는 다양한 생물에 대하여 부유사의 영향을 평가하는 기초자료로 활용될 수 있을 것이다.

The aquatic ecosystem of rivers, where various biological groups inhabit, is influenced by suspended sediment. However, there is a lack of quantitative and objective methods and criteria for evaluating this impact. The purpose of this study is to analyze through experiments the effects of suspended sediment on Glyptotendipes tokunagai, a benthic invertebrate in rivers. Experiments were conducted to investigate the survival count of individuals exposed to varying suspended sediment concentrations (turbidity) and exposure durations. Various regression analysis methods were performed on the experimental results to propose a model for evaluating the impact of suspended sediment on Glyptotendipes tokunagai. The coefficient of determination (R-squared) of the proposed model was 0.903, indicating a high degree of fit. The findings of this study could serve as foundational data for assessing the influence of suspended sediment on various organisms inhabiting rivers.

키워드

과제정보

This work was supported by the Korea Environmental Industry & Technology Institute(KEITI) through the Aquatic Ecosystem Conservation Research Program, funded by the Korea Ministry of Environment (MOE) (2020003050002).

참고문헌

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