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NTIS 바로가기한국물환경학회지 = Journal of Korean Society on Water Environment, v.35 no.3, 2019년, pp.257 - 270
김성진 (Department of Environmental Engineering Chungbuk National University) , 정세웅 (Department of Environmental Engineering Chungbuk National University) , 박형석 (Department of Environmental Engineering Chungbuk National University) , 조영철 (Department of Environmental Engineering Chungbuk National University) , 이희숙 (K-water) , 박연정 (K-water)
Followingthe Four Rivers Project, cyanobacterial blooms have been frequently observed in the upstream of the installed weirs. The aim of this study was to characterize the major environmental factors that are associated with the cyanobacteria dominance in Baekje Weir (Geum River) and Juksan Weir (Yo...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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담수에서 남조류 과잉증식 문제로 인한 피해는 무엇이 발생할 수 있나? | 그 동안 국내에서 녹조문제는 댐 저수지와 하구호, 하천의 국부적 정체수역에서 간헐적으로 문제를 일으켰으나, 4대강 사업(2010~2011)으로 하천에 보가 설치 된 이후 낙동강, 금강, 영산강 등 하천 본류에서도 광범위하게 발생되고 있어 중요한 환경적, 사회적 이슈로 대두되었다. 담수에서 남조류 과잉증식 문제(이하 녹조문제)는 수생태계의 생물다양성을 감소시키며, 먹는물의 맛과 냄새의 원인물질을 발생시켜 물 이용에 장해가 된다(Parinet et al., 2010; Peter et al., 2009; Welch et al., 1988). 또한 독소를 생산하는 유해남조류가 대량 증식할 경우에는 가축이나 인간의 건강에 치명적 해를 끼치기도 한다(Paerl and Otten, 2013; Park, 2007; Zhang et al., 2016) | |
2012년 이후 금강 백제보에서 출현한 남조류의 최대 세포수는? | 본 연구의 대상 하천인 금강과 영산강에서도 2012년 보가 설치된 이후 녹조문제가 빈빈하게 발생하고 있다. 2012년 이후 금강의 백제보에서 출현한 남조류 세포수는 최대 398,820cells/mL였으며, 영산강의 죽산보는 최대 357,600cells/mL였다. 백제보와 죽산보는 최근에 흐름 조절을 통한 녹조 저감을 위해 보의 수문을 개방하거나 관리수위를 낮추어 운영하고 있다. | |
녹조현상의 원인 중 남조류의 생리학적 요인은 무엇이 있는가? | , 2013; Health Canada, 2002; Schindler, 1977; Schindler et al., 2008), 생리학적 요인에는 특정 남조류 종이 가지고 있는 질소고정, 독소 생성, 부력 조절, 군체 형성 등의 기능이 있다(Carpenter and Kitchell, 1993; Konopka et al., 1993; Fujimoto and Sudo, 1997; Thomas and Walsby, 1986). |
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