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NTIS 바로가기생태와 환경 = Korean journal of ecology and environment, v.46 no.4, 2013년, pp.551 - 560
김하경 (한양대학교 환경과학과) , 이민혁 (대진대학교 생명과학과) , 김용재 (대진대학교 생명과학과) , 원두희 ((주)생태조사단) , 황순진 (건국대학교 환경보건학과) , 황수옥 (한국수자원공사) , 김상훈 (국립환경과학원) , 김백호 (한양대학교 생명과학과)
Environmental factors and epilithic diatom communities in the lower streams near the harbor region of South Korean peninsula were examined during no monsoon period in May 2013. The sampling of water and epilithic diatoms was conducted at both streams, 19 regulated streams (RS) that there are one or ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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댐이나 보 건설과 같은 유수계의 구조변화의 영향은? | 댐이나 보 건설과 같은 유수계의 구조변화는 수질(Huang and Foo, 2002)뿐만 아니라 배후습지를 포함한 유역생태계의 구조와 기능을 크게 변화시킨다(Petts, 1979; Everitt, 1993; Topping et al., 2000; Kileshye Onema et al., 2006). 특히 하천의 연속성을 파괴하고, 체류시간과 화학물질의 농도 증가로 인한 수질오염은 종종 퇴행적 생태계 천이를 유도하기도 한다(Hirsch et al., 1991; Morris and Fan, 1998; Wei et al., 2009). 우리나라는 몬순기(여름)에 강우가 주로 집중하기 때문에 수자원의 확보를 위하여 유수역내 댐이나 인공보 건설이 불가피하다(Park et al. | |
부착돌말의 특징은? | 부착돌말은 수생식물, 식물플랑크톤과 더불어 유수생태계의 먹이연쇄와 에너지 전달의 근간을 이루며, 폭넓은 서식처, 높은 유입능과 군집형성을 보이는 특징을 가지고 있다(Stevenson et al., 1996). 이들은 주로 빛, 수온, 수심, 유속(Biggs et al. | |
부착돌말의 생물량 또는 개체군의 크기는 무엇에 의해 결정되나? | , 1996). 이들은 주로 빛, 수온, 수심, 유속(Biggs et al., 1998), 영양물질(Cho, 1994), 탁도(Figueroa-Nieves et al., 2006), 토지이용(Brant and Herdendorf, 1972) 등에 의해 생물량 또는 개체군의 크기가 결정된다. 특히 주변으로부터 영양물질의 유입이나 서식환경의 변화(예, 댐건설)에 대해 빠른 생물변화를 보이기 때문에 오래전부터 유수역의 수질이나 환경상태를 파악하는 데 이용되어 왔다(Kociolek and Spaulding, 2000; Hwang et al. |
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