Seasonal Succession of Algae in Artificial Reservoirs in Daegu City

대구지역 인공저수지 조류의 계절별 천이

  • 이찬형 (대구광역시 보건환경연구원) ;
  • 정윤숙 (대구광역시 보건환경연구원) ;
  • 신상희 (대구광역시 보건환경연구원) ;
  • 이순애 (대구광역시 보건환경연구원) ;
  • 김용혜 (대구광역시 보건환경연구원) ;
  • 홍성희 (대구광역시 보건환경연구원)
  • Published : 2002.09.01

Abstract

Seasonal succession of algae and water quality parameters were studied in artificial reservoirs in Daegu city from 2000 to 2001. The algal succession was evaluated with respect to dom-inant class and their frequencies. Succession order of algae in two reservoirs was : Bacillariophyceae longrightarrow Chlo-rophyceae longrightarrow Cyanobacteria longrightarrow Bacillariophyceae longrightarrow Bacillariophyceae longrightarrow Cyanobacteria longrightarrow Cyanobacteria longrightarrow Cyanobacteria. This succession order was different from other studies. The local environment condition maybe affects the succession of algae in these reservoirs. As result of correlation analysis between algal biom-ass and water quality parameters, we got low correlation coefficients. Also we got low correlation coefficients between chlorophyll-a and algal biomass. Between chlorophyll-a and water quality parameters, we got high correlation coefficients. An approach having attention to cell biovolume rather than cell number is made to understand the algal community and the ecosystem of reservoir.

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