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NTIS 바로가기생태와 환경 = Korean journal of ecology and environment, v.46 no.1, 2013년, pp.116 - 127
박채홍 (건국대학교 환경과학과) , 박명환 (건국대학교 환경과학과) , 최동호 ((주)케이씨리버텍) , 최형주 ((주)케이씨리버텍) , 이준헌 ((주)케이씨리버텍) , 이명훈 ((주)케이씨리버텍) , 황순진 (건국대학교 환경과학과)
At weekly intervals, we monitored continuous changes in water quality by constructed floating wetland equipped with the four different filter media (sponge, volcanic stone, activated carbon and magnesium hydroxide) in a eutrophic lake from March 2011 to May 2012. We also investigated phyto- and zoop...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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부유습지 설치 목적은? | , 2004). 부유습지는 호소 수표면에 설치하여 호소로 유입된 오염물질을 제거하기 위한 목적으로 사용되며(Yang, 2006), 인공섬, 인공식물섬, 인공습지, 인공수초재배섬, 어류산란시설 등의 다양한 명칭으로 설치되어 왔다(Corbitt and Bowen, 1994; Mueller et al., 1996; Choi et al. | |
부유습지에서 질소와 인의 처리방법은? | 부유습지에 적용되는 여재의 선정은 부유습지의 수명과 관련하여 가장 중요한 인자로 알려져 있다(Seo, 2005). 부유습지에서 질소는 인에 비해 질산화 탈질에 의해 N2 및 N2O로 전환되어 대기중으로 장기적인 처리가 가능하며, 인은 식물의 흡수(Greenway and Woolley, 1999), 미생물의 고정화(Newbold et al., 1983; Reddy et al., 1999), 여재의 흡착(Kadlec, 1997; Tanner et al., 1998) 침전(Diaz et al., 1994) 등에 의해 처리된다. 따라서 부유습지에서 인의 처리효율향상과 장기간의 수처리를 위해서는 식물이나 미생물의 처리 능력을 향상시키는 것으로는 높은 인 처리효율을 기대하기 어려우며, 여재의 흡착 침전의 능력을 향상키는 방법이 효과적일 것으로 판단된다(Brix, 1994, 1997). | |
부유습지에 생태계 복원 효과가 있는 이유는? | 하지만 부유습지를 설치하면 수질 정화뿐만 아니라 생태계 복원 효과를 볼 수 있다. 부유 습지에 붙어있는 부착생물을 먹기 위해 어류가 모여 서식 및 산란 장소로 이용하고 곤충류, 양서류, 파충류 등의 서식처를 제공해준다. 부유습지의 조성은 단순한 수질정화 기작뿐만 아니라 하나의 독립된 소규모 생태계(Biotope)가 조성된다고 볼 수 있다(Kwon, 2007). 본 연구에서의 부유습지는 수질개선효과뿐만 아니라 식물플랑크톤은 뚜렷하게 감소하였고, 동물플랑크톤은 종 종수와 밀도 모두 증가하였다. |
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