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

The Korea Society of Environmental Restoration Technology (한국환경복원기술학회)
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The Investigation of Faunal Habitat Based on Ecological Rostoration of Urban Streams in Ulsan

울산시 도심하천의 생태하천 복원사업에 따른 동물상 서식실태 조사 분석

  • Cho, Hong Je (Department of Civil & Environmental Engineering, College of Engineering, University of Ulsan) ;
  • Kang, Ho Seon (Department of Civil & Environmental Engineering, College of Engineering, University of Ulsan)
  • 조홍제 (울산대학교 공과대학 건설환경공학과) ;
  • 강호선 (울산대학교 공과대학 건설환경공학과)
  • Received : 2013.05.31
  • Accepted : 2013.08.28
  • Published : 2013.10.31
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Abstract

We researched the fauna restoration of 5 urban streams in Ulsan established as ecological streams by improving water quality and river environment. The fauna inhabitation were compared according to the conditions of geometrical feature such as river width, low-water channel width, ect and water quality, water volumn, inland and forceland. The Mugeo cheon has clearly shown the fauna restoration effects resulting from supplying sustainable maintenance water and wastewater treatments. In the Yaksa cheon, on the other hand, the restoration effects were low due to the inflow of wastewater and sledges in some part of stream ever though the improvement of water quality. The Yeocheon cheon was found to have disadvantage on the ecological inhabitations due to supplying the maintenance water with highly concentrated salinity. The fauna restoration effect of the Meongjeong cheon was low due to the inflow of wastewater to the down stream. Therefore by supplying the maintenance water and improving the connection to the Taehwa river at the estuary, better restoration effects could be observed. In the Cheokgwa cheon, which is almost a natural river, the ecological integrity of the fauna population has been maintained quite well. It was concluded that the project to transform urban streams into ecological streams should focus on not only keeping water volume and quality but also maintaining favorable conditions for the migration and settlement of animal species close to the natural state.

Keywords

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