환경영향평가 (Journal of Environmental Impact Assessment)

한국환경영향평가학회 (Korean Society of Environmental Impact Assessment)
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주암호 영양상태 및 인부하 분석

Trophic State and P Loading Analysis for Juam Lake

  • 배상옥 (전남대학교 공과대학 환경공학과) ;
  • 이용운 (전남대학교 공과대학 환경공학과) ;
  • 이성우 (한국수자원공사) ;
  • 정선용 (전남대학교 공과대학 환경공학과)
  • Bae, Sang-Ok (Department of Environmental Engineering, Chonnam National University) ;
  • Lee, Yong-Woon (Department of Environmental Engineering, Chonnam National University) ;
  • Lee, Sung-Woo (Korea Water Resources Corporation) ;
  • Chung, Seon-Yong (Department of Environmental Engineering, Chonnam National University)
  • 발행 : 2000.12.31
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초록

Juam lake is a major water reservoir for the industrial and agricultural activities as well as the residental life of Kwangju and Chonnam regions. However, the water quality of the lake is getting worse due to a large quantity inflowing to the lake. The excessive growth of algae by the overfertilization may result in water treatment problems and also the interference with desirable water uses of navigation, aesthetics, recreation, and aquatic ecosystem. Thus the purpose of this study is to investigate the species and their amount of planktons in the lake and the relationship between the P loading amount and the chlorophyll-a used as a primary productivity index. The results of the investigation show that (1) the predominant species of algae are Microcystis aeruginosa, Anabaena affinis, Melosira granulata, Synedra acus, and Coelastrum cambricum, (2) the trophic state of the lake can be classified as eutrophic, and (3) there is close relation between the P loading amount and the chlorophyll-a.

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