Journal of Korea Water Resources Association (한국수자원학회논문집)

Korea Water Resources Association (한국수자원학회)
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The Study of Correlation between Riparian Environment and Vegetation Distribution in Nakdong River

낙동강의 하천환경과 식생분포특성의 상관성 조사연구

  • 김은진 (한국건설기술연구원 하천실험센터) ;
  • 조강현 (인하대학교 자연과학대학 생명과학과) ;
  • 강준구 (한국건설기술연구원 하천실험센터)
  • Received : 2013.10.28
  • Accepted : 2014.02.26
  • Published : 2014.04.30
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Abstract

This study was performed to investigate relation between riparian vegetation and environmental factor and to predict riparian vegetation succession in Nakdong river, which is typical sand river in Korea Peninsula. We searched 5 natural levee and installed 84 quadrats in Nakdong river near by Andong city. Also, We analyzed flora, vegetation cover degree, topography, soil moisture, organic content, pH, electrical conductivity and soil texture. According to the result of CCA (canonical correspondence analysis), which considered both investigated vegetation data and environmental factor, vegetation were divided down three groups, and each group was difference by height above ordinary water level, organic content and sand. In addition, the most powerful factor was indicated the height above ordinary water level.

본 연구는 국내를 대표하는 모래하천 낙동강에서 하안식생의 분포와 환경요인의 상관관계를 규명하기 위하여 수행하였다. 경상북도 안동시의 낙동강 일대에서 자연제방 5곳을 실험구간으로 선정하고 84개의 방형구를 설치하여 식물상, 식생피도, 평수위기준상대고도, 토양의 수분함량, 유기물함량, pH, 전기전도도 및 토성분석을 실시하였다. 식생단면조사의 피도값과 환경자료를 바탕으로 정준대응분석(Canonical correspondence analysis)을 실시한 결과 각 식물종은 평수위기준상대고도, 유기물함량, 모래함량 등에 의하여 3개의 그룹으로 구분되었으며 하천의 식생분포에 가장 큰 영향력을 끼치는 환경인자는 평수위기준상대고도로 나타났다.

Keywords

References

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