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NTIS 바로가기생태와 환경 = Korean journal of ecology and environment, v.50 no.4, 2017년, pp.403 - 410
이승현 (국립환경과학원 유역생태연구팀) , 정현기 (국립환경과학원 유역생태연구팀) , 신현선 (농촌진흥청 연구정책국 기후변화팀) , 신유나 (국립환경과학원 유역생태연구팀) , 이수웅 (국립환경과학원 유역생태연구팀) , 이재관 (국립환경과학원 물환경연구부)
We collected fishes at the 12,873 sites in stream order (1~7) from 2008 to 2016. In the results, two populations(Zacco platypus and Zacco koreanus) represented distributional differences in the stream order gradient, and correlation analysis showed that the two populations had a potential competitiv...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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어류를 이용한 하천생태계의 오염 정도 분석 방법은? | , 2005). 어류를 이용한 하천생태계의 오염 정도는 이화학적 요인과의 상호관계뿐 아니라 생물학적 요인으로서 어류 개체군의 관계 분석 (Beyer, 1987; Bolger and Connoly, 1989)을 통해 평가되어 왔으며 특히 지표종으로서 피라미속(Genus Zacco) 어류를 통해 연구되어 왔다 (Anderson and Neumann, 1996; Hur et al., 2009; Hur and Seo, 2011; Ko et al. | |
국내에서 어류를 이용한 생물학적 평가를 사용한 사례는? | ,2006). 국내의 경우, 2000년대부터 IBI 모델을 기반으로 국내 하천의 특성에 맞게 수정 및 보완된 어류평가지수(Fish Assessment Index)로 사용해 왔다. 지수에 이용되는 어류의 생태특성에 따라 내성도 길드(Tolerance guild)는 민감종(Sensitive species), 중간종(Intermediate species), 내성종(Tolerant species)으로 구분되며, 섭식 특성 길드(Trophic guild)는 육식종 (Canivores), 초식종 (Herbivores), 충식종(Insectivores), 잡식종 (Omnivores)으로 구분되는데 (OhioEPA, 1987), 이러한 생물학적 평가지수의 도입은 어류의 분포 양상 및 서식환경의 교란에 의한 결과를 정량화된 분석이 가능하게 함에 따라 어류의 분포 특성을 파악하는데 용이하게 이용되어 왔다(Karr, 1981; Yoder and Smith,1999). | |
어류의 역할은? | 담수 생태계의 상위 포식자인 어류는 수체 내 생물학적 구조와 기능을 조절하는 중요한 생물군으로(An et al.,2001; An and Kim, 2005; Gal et al., 2012), 서식하는 어류의 분포 특성으로 인해 수질오염 및 서식처 교란 등 수환경 변화에 따라 수환경 평가지표로 널리 이용되어 왔다(Jones et al., 2005). |
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Ko, D.G., J.H. Han and K.G. An. 2012. Length-Weight Relations and Condition Factor (K) of Zacco platypus Along Trophic Gradients in Reservoir Ecosystems. Korean Society of Limnology 45(2): 174-189.
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