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NTIS 바로가기생태와 환경 = Korean journal of ecology and environment, v.49 no.2, 2016년, pp.130 - 141
신재기 (한국수자원공사 낙동강통합물관리센터) , 김영성 (한국수자원공사 K-water 연구원) , 황순진 (건국대학교 보건환경과학과)
This study was conducted to elucidate the structure of river ecosystem in the watershed of the Seom River and Hoengseong Reservoir located in Hoengseong of Kangwon Province from February to October 2007. Topics of the survey were mainly rainfall, discharge, water quality in abiotic factors and attac...
핵심어 | 질문 | 논문에서 추출한 답변 |
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본 연구에서 조류를 관찰하는데 사용한 방법은? | 1 km 구간에서 조사하였다. 망원경 (Zeiss Conquest 10× 30 BT model, Germany)과 계수기를 이용하여 오전 (8시, 10시)과 오후 (2시, 4시)에 각 1회씩 10분간 동시에 관찰하는 점조사법과 강변을 이동하면서 파악하는 선조사법을 병행하여 수행하였다. 조류는 공중으로 이동하는 특성을가지고 있기 때문에 하상에 설치된 보 (weir)나 바위 등에서 관찰된 일 최대 개체 수를 최종 정량값으로 하였다. | |
하천생태계는 무엇인가? | 하천생태계는 수심이 얕고, 흐름 유속이 어느 정도 유지되는 생물서식환경으로서 수변의 사면과 제방을 경계로 상부의 육상과 연결되어 구조적으로 생물상이 다양하고, 시공간적으로 먹이사슬에 의한 기능적 동태가 매우 복잡하다 (Allan, 1995; Stevenson et al., 1996). | |
섬강과 같은 하천에서, 생태계의 영양단계 중 생산자의 특징은? | , 1996). 특히 섬강과 같은 하천은 하계 몬순 우기의 범람 시기를 제외하면, 수심이 얕아서 생태계의 영양단계 중 생산자는 식물플랑크톤보다 부착조류가 더욱 우세하다 (Biggs, 1995; Dodds et al., 1996; Shin and Cho, 2000). |
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