문순 기후로 인한 수리수문학적 변화가 팔당호 동물플랑크톤 군집에 미치는 영향
분야
자연과학 > 지질
저자
유경아 ( You Kyung A ) , 변명섭 ( Byeon Myeong Seop ) , 황순진 ( Hwang Soon Jin )
발행기관
한국하천호수학회(구 한국육수학회)
간행물정보
한국하천호수학회지 2012년, 제45권 제3호, 278~288쪽(총11쪽)
파일형식
08801922.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    The zooplankton community of Lake Paldang, Korea, was investigated on a weekly basis from 2004 to 2006.The seasonal succession of zooplankton community structure was influenced by hydrological factors such as rainfall pattern and efflux in Lake Paldang. According to the monsoon climate, spring, fall and winter had reduced precipitation, so that zooplankton dynamics of the lake showed a typical succession pattern. In spring, small sized and faster growing rotifer rapidly increased, and copepods and cladocera noticeably increased thereafter. Rotifera dominated the zooplankton community, occupying more than 90% of total zooplankton abundance. Among rotifer, Keratella cochlearis was extremely dominant in spring. Copepoda were mainly present as Copepodid and Nauplius. Among cladocrean species, Bosmina longirostris was dominant. In summer, during the rainy season, zooplankton were flushed out by an associated dam, After the rainy season, rotifer increased rapidly when the water column of the lake was stable, During the fall, zooplankton abundance gradually reduced in accordance with decreasing water temperature. However, the occupation rate of copepod (Copepodid, Nauplius) increased relatively. Zooplankton dynamics were influenced by meterorological changes and hydraulic-hydrological factors, because Lake Paldang is a completely closed ecosystem.
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