Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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A Comparative Study of Insect Community at Streamside zones at the Daejeon and Yudeung Streams

대전천과 유등천의 하천변 곤충군집 비교 연구

  • Received : 2012.10.07
  • Accepted : 2013.02.28
  • Published : 2013.02.28
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Abstract

This study was conducted to identify the impact of river improvement efforts by studying terrestrial insects inhabiting at streamside locations at the Daejeon and Yudeung streams. Seven surveys were conducted from April to October on 2008 and the results were analyzed. Totally 428 species of 110 families belonging to 11 orders of insects were investigated during the course of the present study. The insects identified at the Daejeon stream belonged to 335 species, 99 families and 11 orders, while those at the Yudeung stream were of 350 species, with 98 families and 11 orders. At the Daejeon stream, D-1 and D-2 points were the sites where the most species(178 species) were identified, while at the Yudeung stream, the Y-1 point was the site where the most species(179 species) emerged. In a cluster analysis based on a similarity index, Group A(without river improvement works) and Group B(downtown passing area with river improvement works) were created. Within Group A, survey points were classified as the Daejeon stream group(the A-1 Group) and the Yudeung stream group(the A-2 Group). It was found that the emergence patterns of insects were related to regional characteristics of the streams.

본 연구는 대전천과 유등천의 하천변에 서식하는 육상곤충을 이용해 하천정비공사가 인근 생물에 끼치는 영향을 알아보기 위한 것으로 2008년 4월부터 10월까지 총 7회에 걸쳐 조사를 수행하고 그 결과를 분석하였다. 조사기간 동안 출현한 곤충은 총 10목 110과 428종으로 대전천에서 조사된 곤충은 11목 99과 335종, 유등천에서 조사된 곤충은 11목 98과 350종이었다. 대전천은 D-1지점과 D-2지점에서 178종이 출현하여 가장 많은 종수가 확인되었고, 유등천은 Y-1지점에서 179종이 출현하여 가장 많은 종수가 확인되었다. 유사도 지수를 근거로 각 지점별 클러스터 분석을 실시해본 결과, 하천정비공사가 진행되지 않은 지역(A그룹)과 하천정비공사가 진행된 도심관통 지역(B그룹)으로 그룹화 되었다. 또한 A그룹에서도 각 조사지점이 대전천(A-1그룹)과 유등천(A-2그룹)으로 나뉘어 하천의 지역적 차별성에 따른 곤충의 출현이 상대적임을 알 수 있었다.

Keywords

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