북한강 수계에 출현한 남조류와 이취미의 상관관계Relationship between a Dense Population of Cyanobacteria and Odorous Compounds in the North Han River System in 2014 and 2015.
- Other Titles
- Relationship between a Dense Population of Cyanobacteria and Odorous Compounds in the North Han River System in 2014 and 2015.
- Authors
- 변정환; 황순진; 김백호; 박진락; 이재관; 임병진
- Issue Date
- Dec-2015
- Publisher
- 한국하천호수학회
- Keywords
- North Han River; Anabaena circinalis; Pseudanabaena limnetica; geosmin; 2-MIB
- Citation
- 생태와 환경, v.48, no.4, pp.263 - 271
- Indexed
- KCI
- Journal Title
- 생태와 환경
- Volume
- 48
- Number
- 4
- Start Page
- 263
- End Page
- 271
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143014
- DOI
- 10.11614/KSL.2015.48.4.263
- ISSN
- 2288-1115
- Abstract
- To evaluate the relationship between dynamics of cyanobacteria and odorous compounds, a monthly monitoring of water quality and phytoplankton were conducted at the three serial lakes (Lake Ui-am, Lake Cheong-pyeong and Lake Pal-dang) in the North Han River for 11 times from May 2014 to March 2015.
In the three serial lakes, phytoplankton communities showed that seasonal changes in Bacillariophyceae- Cyanophyceae-Bacillariophyceae. Anabaena and Pseudanabaena were dominant species in August and September 2014. At the same time the odors (Geosmin, 2-MIB) were also detected with high concentration. Relationship between environmental factors and cyanobacterial abundance showed a significant correlation with Anabaena circinalis and geosmin (r=0.983, p<0.01). In the case of Pseudanabaena limnetica showed a significant correlation of total nitrogen (r=0.685, p<0.01) and NO3-N (r=0.723, p<0.01). In addition, similarly Pseudanabaena limnetica and 2-MIB (r=0.717, p<0.01) was high. The odorous compounds appeared in the North Han River water were considered to be a direct relationship with cyanobacteria.
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