Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Monitoring Vegetation Changes after Constructing the Vegetation-mat Measures for Greening in Embankment - A Case Study of Tancheon, Seongnam -

호안 녹화용 매트 시공 후 식생변화 모니터링 - 성남시 탄천을 중심으로 -

  • Received : 2010.04.28
  • Accepted : 2010.06.23
  • Published : 2010.06.30
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Abstract

In this study, not only to present the management plan but also to verify the effectiveness for a area of improving the landscape and the area of creating the base of bio-inhabitation in Tancheon stream concrete embankment where were practised the vegetation-mat measures for greening via monitoring i.e. restoration progress. The results of monitoring, there were a total of 41 taxa, 18 families, 38 species, 3 varieties in 2006, moreover in the 2007, there were a total of 59 taxa, 19 families, 56 species, 3 varieties and in the period 2008, 64 taxa, 29 families, 59 species, 8 varieties. Therefore, these site has increased the plant spaces year by year. The distribution of vegetation characteristics shows that Miscanthus sacchariflorus and Pennisetum alopecuroides expands their influence in the area of applying the construction method. Those area appears a diversity of native species by the stream deposition at the flood. Thus, its condition is very soundly ecological health and eco-friend. At present, native species have been dominant, however, disturbed species and invasive species can be expected to increase dramatically in the future. Therefore, it is necessary to a long-range monitoring and management for maintaining an environmentally sound aquatic ecosystem. On this area refer to mix the river vegetation of primary succession and disturbed vegetation. For that reason, the method of constructing the vegetation-mat measures for greening in embankment does not need to remove the concrete and can install a coir-mat on the top. It leads to improve the landscape, moreover, it was analysed the such dramatic changes in the vegetation species richness by providing continuous the plant growth basis have a impact on in bio-diversity.

본 연구는 탄천내 기존 콘크리트 호안블럭을 제거하지 않고 호안녹화용 매트를 적용하여 경관개선 및 생물서식기반을 조성하고자 하는 지역의 복원 효과 확인 및 관리방안을 제안하고자 하였다. 모니터링 결과 식물상은 2006년 18과 38종 3변종 총 41종류, 2007년 19과 56종 3변종 총 59종류, 2008년 29과 59종 8변종 총 64종류로 매년 식물종이 증가하고 있었다. 식물상 분포의 특징은 공법 적용지를 중심으로 식재한 물억새, 수크령 등이 세력을 형성하고 있었으며 범람시 토사 퇴적으로 자생종 중심의 다양한 종이 출현하고 있어 생태적으로 양호한 상태이었다. 현재는 자생종이 우점하고 있었으나 주기적인 범람에 의한 교란 유발 종과 외래종의 증가가 예상되므로 장기모니터링을 통해 관리가 이루어져야 양호한 수변생태계가 형성될 수 있을 것이다. 결국 하천천이 초기식생과 교란지 식생이 혼재되어 나타나는 생육양상이었다. 이와 같은 호안 녹화용 식생매트 공법은 콘크리트를 제거하지 않고 상부에 코이어 매트를 포설하여 불량경관을 개선할 수 있을 뿐만 아니라 식물생육의 기반을 제공하여 계속적인 식물종의 증가에 따른 종다양성을 확보하는데 효과가 있는 것으로 분석되었다.

Keywords

Acknowledgement

Supported by : 진주산업대학교

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