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http://dx.doi.org/10.7745/KJSSF.2012.45.2.317

Evaluation of Aquatic Ecological Efficiency in Juam Lake Eco-wetlands for Reducing Non-point Source Pollutants  

Lee, Sang-Gyu (Department of Bio-Environmental Sciences, Sunchon National University)
Seo, Dong-Cheol (Department of Bio-Environmental Sciences, Sunchon National University)
Choi, Ik-Won (Department of Bio-Environmental Sciences, Sunchon National University)
Kang, Se-Won (Department of Bio-Environmental Sciences, Sunchon National University)
Seo, Young-Jin (Department of Bio-Environmental Sciences, Sunchon National University)
Lim, Byung-Jin (Yeongsan River Environmental Research Center)
Lee, Jun-Bae (Yeongsan River Environmental Research Center)
Kim, Sang-Don (Yeongsan River Environmental Research Center)
Heo, Jong-Soo (Division of Applied Life Science (BK21 program) & Institute of Agriculture and Life Science, Gyeongsang National University)
Cho, Ju-Sik (Department of Bio-Environmental Sciences, Sunchon National University)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.45, no.2, 2012 , pp. 317-324 More about this Journal
Abstract
To reduce non-point source pollutants in Juam Lake eco-wetlands, purification efficiencies of pollutants were investigated at three different systems. The constructed wetlands (CWs) consisted of A system, B system and C system. A system consisted of $1^{st}$ free water surface (FWS) CW, $2^{nd}$ FWS CW, $3^{rd}$ FWS CW, $4^{th}$ subsurface flow (SSF) CW and $5^{th}$ SSF CW. B system consisted of $1^{st}$ FWS CW, $2^{nd}$ FWS CW, $3^{rd}$ FWS CW, $4^{th}$ FWS CW and $5^{th}$ SSF CW. C system consisted of $1^{st}$ FWS CW, $2^{nd}$ FWS CW, $3^{rd}$ FWS CW, $4^{th}$ FWS CW and $5^{th}$ SSF CW. The concentrations of BOD, COD, SS, T-N and T-P in inflow ranged 0.20 ~ 0.91, 1.24 ~ 8.00, 0.60 ~ 8.60, 0.04 ~ 2.50 and $0.001{\sim}0.685mg\;L^{-1}$ from March to October in 2011, respectively. Removal rates of BOD, SS, T-N and T-P were high in Autumn, Spring, Spring and Summer, respectively. In A system, $1^{st}$ FWS CW, $2^{nd}$ FWS CW and $3^{rd}$ FWS CW were dominated by Leersia oryzoides. In B system, $1^{st}$ FWS CW, $3^{rd}$ FWS CW and $4^{th}$ FWS CW were dominated by Leersia oryzoides. In C system, $2^{nd}$ FWS CW and $3^{rd}$ FWS CW were dominated by Nymphaea teragona.
Keywords
Non-point source pollutants; Juam Lake eco-wetlands; Purification efficiencies;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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