Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Study on Flooding Tolerance of Salix Species for Ecological Restoration of the River

하천복원을 위한 버드나무속 식물의 내침수성 실험 연구

  • Kim, Eun Jin (River Experiment Center, Korea Institute of Civil Engineering and Building Technology) ;
  • Kang, Joon Gu (River Experiment Center, Korea Institute of Civil Engineering and Building Technology) ;
  • Yeo, Hong Koo (River Experiment Center, Korea Institute of Civil Engineering and Building Technology) ;
  • Kim, Jong Tae (River Experiment Center, Korea Institute of Civil Engineering and Building Technology)
  • 김은진 (한국건설기술연구원 하천실험센터) ;
  • 강준구 (한국건설기술연구원 하천실험센터) ;
  • 여홍구 (한국건설기술연구원 하천실험센터) ;
  • 김종태 (한국건설기술연구원 하천실험센터)
  • Received : 2014.07.08
  • Accepted : 2014.07.28
  • Published : 2014.11.30
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Abstract

The vegetation composition for river restoration requires the introduction of plants which have strong flooding tolerance. A study of the growth characteristics of river plants according to the period of flooding is essential. Accordingly, this study measured shoots, leaf number, leaf greenness, dry weight of the plants of Salix species, analyzed their growth rate according to flooding tolerance and the period of flooding, and contrasted the results with those of a flooding experiment in turbid water. The results of this experiment showed that Koreensis is the plant which has the strongest flooding tolerance and flooding in fresh water leads to a much lower risk of the plants being withered than in high turbid water. In addition, the results showed that the condition of the period of flooding of twenty days and under contributes to more growth and development of the plants of Salix species than the condition of non-flooding.

하천 생태 기능 증대 등 하천복원을 위한 식생 조성 시 내침수성이 강한 식물을 도입해야 하며 이를 위해 침수기간에 따른 하천식물의 생육특성 연구가 반드시 필요하다. 따라서 본 연구에서는 버드나무속 식물을 대상으로 식물키, 엽수, 녹색정도, 건중량 등을 측정하여 내침수성 및 침수기간에 따른 성장률을 분석하였으며 탁수에 의한 침수실험 결과와 비교하였다. 실험 결과 갯버들, 버드나무, 왕버들 중 내침수성이 가장 강한 식물은 버드나무이며 정수 상태의 침수는 고탁수 침수보다 고사 가능성이 매우 낮았다. 또한 버드나무속 식물은 20일 이하의 침수 시 비침수 조건보다 식물의 생장에 도움을 주는 것으로 나타났다.

Keywords

References

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