Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Water Quality and Phytoplankton Distribution Pattern in Upper Inflow Rivers of Lake Paldang

팔당호 상류 유입하천의 수질 및 식물플랑크톤 분포 패턴

  • Park, H.-K. (Han-river Water Environmental Laboratory, National Institute of Environmental Research) ;
  • Byeon, M.-S. (Han-river Water Environmental Laboratory, National Institute of Environmental Research) ;
  • Kim, E.-K. (Han-river Water Environmental Laboratory, National Institute of Environmental Research) ;
  • Lee, H.-J. (Han-river Water Environmental Laboratory, National Institute of Environmental Research) ;
  • Chun, M.-J. (Han-river Water Environmental Laboratory, National Institute of Environmental Research) ;
  • Jung, D.-I. (Han-river Water Environmental Laboratory, National Institute of Environmental Research)
  • 박혜경 (국립환경연구원 한강물환경연구소) ;
  • 변명섭 (국립환경연구원 한강물환경연구소) ;
  • 김은경 (국립환경연구원 한강물환경연구소) ;
  • 이현주 (국립환경연구원 한강물환경연구소) ;
  • 전명진 (국립환경연구원 한강물환경연구소) ;
  • 정동일 (국립환경연구원 한강물환경연구소)
  • Received : 2004.08.30
  • Accepted : 2004.09.23
  • Published : 2004.11.30
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Abstract

The distribution pattern of water quality parameters and phytoplankton biomass in upper inflow rivers of lake Paldang had surveyed. In North-Han river system, nutrient concentrations and algal biomass was below the standard of mesoand oligotrophy from lake Soyang to lake Paldang, maintaining good water quality, except the N5 site located near the Chuncheon-Si, showing high nutrients concentrations and algal biomass. The algal biomass of the South-Han river system showed oligotrophic level in the upstream near the lake Chungju, and increased along the flow direction showing eutrophic level in the downstream within the lake Paldang area. On the other hand, the highest concentrations of nutrients were detected in the middle stream near the Yeoju-Si and Yangpyung-Gun rather than in the downstream suggesting algal biomass in lake Paldang would not come from the upper river area but come from the growth within the lake area using nutrients from the upper inflow river.

Keywords

References

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