Journal of the Korean Society of Environmental Restoration Technology (한국환경복원기술학회지)

The Korea Society of Environmental Restoration Technology (한국환경복원기술학회)
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An Investigation of Vascular Plant Life Forms in the Amsa-dong Ecological and Landscape Conservation Area - A Floodplain along the Han River in Seoul, South Korea -

한강 범람원인 암사동 생태·경관보전지역의 식물생활형 특성 연구

  • Yun, daum (Dept. of Biological and Environmental, Dongguk University Graduate School) ;
  • Oh, Choong-Hyeon (Dept. of Biological and Environmental Dongguk University)
  • 윤다움 (동국대학교 대학원 바이오환경과학과) ;
  • 오충현 (동국대학교 바이오환경과학과 )
  • Received : 2023.08.13
  • Accepted : 2023.12.12
  • Published : 2023.12.30
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Abstract

This study aimed to identify the characteristics of the plant growth forms within the Amsa-dong Ecological and Landscape Conservation Area, a floodplain along the Han River, based on 20 years of flora monitoring data. The analysis revealed that there were 106 taxa identified in 2003, 158 taxa in 2006, 107 taxa in 2013, and 202 taxa in 2020. Compared to 2003 and 2013, the number of taxa increased significantly by approximately 50 taxa in 2006 and around 100 taxa in 2020. It is presumed that this is due to the influx of seeds caused by the flooding of the Han River due to record-breaking heavy rains during the rainy seasons of 2006 and 2020, leading to a rapid increase in the number of taxa. This was also confirmed in aquatic plants(HH) as a result of comparison of life style analysis by year. The analysis revealed that there were 19 aquatic plant(HH) in 2003, 32 aquatic plant(HH) in 2006, 9 aquatic plant(HH) in 2013, and 30 aquatic plant(HH) in 2020. The number of aquatic plants(HH) increased slightly in 2006 and 2020 compared to 2003 and 2013, and the influx of rare aquatic plants in urban rivers was confirmed. Consistent with the results of the vascular flora analysis above, these plants are believed to have been introduced from the upper reaches of the Han River when the Han River flooded due to heavy rains during the record-breaking rainy season in 2006 and 2020.

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