Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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Seasonal Variation of Epilithic Diatom Community and an Assessment of Water Quality by DAlpo in the Water System of Ulleung Island

울릉도 수계의 부착규조군집의 계절적 변이와 DAIpo에 의한 수질평가

  • 최재신 (경북대학교 자연과학대학 생물학과) ;
  • 박정원 (경북대학교 자연과학대학 생물학과) ;
  • 이경락 (경북대학교 자연과학대학 생물학과) ;
  • 양명숙 (울릉중학교) ;
  • 김한순 (경북대학교 자연과학대학 생물학과)
  • Published : 2004.12.31
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Abstract

We investigated the variations of epilithic diatom community and assessed water quality of the water system of Ulleung Island by DAIpo in April, May, July, August, October, and November of 2003, and January and February of 2004. Samples were collected from four sampling stations. Total 95 taxa were identified from this study and dominant species were Nitzschia inconspicua, Achnanthes minutissima, Gomphonema angustum and Cocconeis placentuja var. lineata. The variation of DAIpo values was ranged from 51.14 to 77.77 and the water quality by DAIpo was estimated between ${\alpha}-oligosaprobic$ and ${\beta}- oligosaprobic$ states.

울릉도 수계의 부착규조군집의 계절적 변이와 DAIpo에 의한 수질평가를 조사하였다. 채집은 2003년 4월, 5월, 7월, 8월, 10월과 11월 그리고 2004년 1월과 2월에 4개의 정점에서 채집하였다. 총 95분류군이 동정되었으며 우점종들은 Nitzschia inconspicua, Achnanthes minutissima, Gomphonema angustum과 Cocconeis placentula var. lineata였다. DAIpo는 51.15에서 77.77의 범위였고 울릉도 수계의 수질은 ${\alpha}$-빈부수성에서 ${\beta}$-빈부수성이었다.

Keywords

References

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