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KMID : 1024520080170101129
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Journal of the Environmental Sciences
2008 Volume.17 No. 10 p.1129 ~ p.1137
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A Selection of Phragmites australis for Purification of Waste Landfill Leachate
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Cho Yong-Joo
Yi Jong-Young
Choi Hong-Keun
Kim Chang-Kyun
Lee Eun-Ju
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Abstract
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We investigated the ecological characteristics of reed populations growing in Korea and tried to select reed populations showing better growth patterns in waste landfill leachate. To examine the growth characteristics, 14 reed populations from various habitats were collected. Four reed populations were from inland reclaimed habitats, 4 reed populations from brackish or salt marsh habitats, and 6 reed populations from fresh water habitats. Total plant biomass after the treatment with landfill leachate showed that Daebudo and Nanjido reed populations had the higher biomass with 3755 g DW/pot and 3305 g DW/pot, respectively. Reed populations being sampled from the higher salinity and landfill habitats had relatively higher total biomass than that of other reed populations. Especially reed populations from landfill habitats showed higher biomass. Reed populations from Songjiho and Daebudo, which were believed to have tolerance to salt stress, also showed good growth patterns. Population from the fresh water habitats exhibited relatively lower tolerance to leachate treatment compared to others. From the results, we could conclude that reed populations from Nanjido and Daebudo with higher biomass and better salt tolerance were able to good candidates for purification of waste landfill leachate.
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KEYWORD
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Phragmites australis, Landfill, Leachate, Constructed wetland, Tolerance, Salinity
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