Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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Akinete Germination and Algal Growth Potential Test of Cyanobacterium Anabaena circinalis on Different Waters in Lake Paldang

팔당호 현장수를 이용한 남조류 Anabaena circinalis의 발아 및 성장 잠재력 시험

  • Park, Myung-Hwan (Department of Environmental Science, Konkuk University) ;
  • Lim, Byung-Jin (Han River Environment Research Center, National Institute of Environmental Research Yangpyung) ;
  • Seo, Wan-Bum (Department of Environmental Science, Konkuk University) ;
  • Park, Chae-Hong (Department of Environmental Science, Konkuk University) ;
  • Kim, Keon-Hee (Department of Environmental Science, Konkuk University) ;
  • Hwang, Soon-Jin (Department of Environmental Science, Konkuk University)
  • 박명환 (건국대학교 환경과학과) ;
  • 임병진 (국립환경과학원 한강물환경연구소) ;
  • 서완범 (건국대학교 환경과학과) ;
  • 박채홍 (건국대학교 환경과학과) ;
  • 김건희 (건국대학교 환경과학과) ;
  • 황순진 (건국대학교 환경과학과)
  • Received : 2015.11.23
  • Accepted : 2015.12.24
  • Published : 2015.12.31
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Abstract

Akinete germination potential and algal growth potential (AGP) using Anabaena circinalis were investigated September 2014 and March 2015 at the three sites (PD-1, PD-2 and PD-3) of Lake Paldang. Nitrogen and phosphorus concentrations were higher at PD-2 than at PD-1 and PD-3. TSI (TN) values at the three field sites were in the range of 65~85, which were the level of eutrophic or hypereutrophic state. TSI (TP) also showed high values (49~68), which were the level of mesotrophic or eutrophic state. Akinete germination potential was higher at PD-2 with increased nutrient (nitrogen and phosphorus), and algal growth potential also increased with nutrient enrichment.

본 연구는 2014년 9월과 2015년 3월에 채수한 팔당호 3지점의 현장수 (PD-1, PD-2 및 PD-3)를 이용하여 북한강에서 우점하는 A. circinalis의 휴면포자 발아 및 성장 잠재력을 평가하였다. 질소와 인 농도는 팔당댐앞 (PD-1)과 광동교 (PD-3)에 비교하여 금남리 (PD-2)에서 좀 더 높게 나타났다. 팔당호 3지점의 총질소에 대한 영양상태지수 (TSI)는 65~85의 범위로 나타났으며, 부영양 또는 과영양 상태로 평가되었다. 또한 총인에 대한 영양상태지수(TSI) 값은 49~68의 범위로서, 중영양 또는 부영양 상태로 평가되었다. 휴면포자 발아 잠재력은 영양염 농도가 높은 금남리 지점 (PD-2)에서 좀 더 높게 나타났으며, 영양세포 성장 잠재력도 영양염 농도가 높은 현장수에서 증가하였다.

Keywords

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