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Nutrients Removal Efficiency by Vegetation Density on Constructed Wetland from Small Watershed
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 Title & Authors
Nutrients Removal Efficiency by Vegetation Density on Constructed Wetland from Small Watershed
Ko, Jee-Yeon; Kang, Hang-Won; Lee, Jae-Sang; Kim, Chun-Song; Sakadevan, K.; Bavor, H.J.;
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 Abstract
This study was conducted to evaluate effects of 2 constructed wetlands with different vegetation states (plumpton park wetland and Woodcroft park wetland) for reducing non-point source pollution from small watershed consisted of residential and agricultural area in suburban district of Sydney, Australia. The total nitrogen and phosphate removal efficiency of Plumpton park constructed wetland, composed of stable and dense vegetation, were 38.3% and 26.2% and Woodcroft park constructed wetland having still poor vegetation due to the short time to settle down transplanted plants after construction, showed relatively low removal efficiency of 20.2% and 14.0%. The removal efficiency of inorganic nutrients such as , , were higher than total nitrogen and phosphate because plants and microorganisms in rhizosphere of constructed wetlands took up inorganic nutrients shortly. According to the type of wetland inflow, the nutrients removal efficiency of storm water flow was lower than base flow.
 Keywords
constructed wetlands;non-point source pollution;vegetation;nutrients removal efficiency;
 Language
Korean
 Cited by
1.
생활오폐수에 대한 정화력이 높은 수생식물 선발,김춘송;고지연;이재생;박성태;구연충;강항원;

한국환경농학회지, 2007. vol.26. 1, pp.25-35 crossref(new window)
2.
낙동강 수계 자연습지의 계절별 수질변화특성 분석,김영윤;이광섭;이석모;강대석;성기준;

한국물환경학회지, 2009. vol.25. 5, pp.713-719
3.
오리농업재배 소유역내 자연습지가 오리농업시 유출되는 영양염류 부하량 저감에 미치는 영향,고지연;이재생;정기열;최영대;윤을수;우관식;서명철;남민희;

한국토양비료학회지, 2009. vol.42. 4, pp.249-256
4.
정화논에 의한 벼 친환경재배단지 발생 영양염류 저감효과,고지연;이재생;우관식;서명철;강종래;송석보;오병근;정기열;윤을수;최경진;남민희;이영한;

한국토양비료학회지, 2010. vol.43. 2, pp.132-139
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