Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Community Structure and Spatial Variation of Meiobenthos Associated with an Artificial Structure

퇴적촉진 구조물 설치에 따른 중형저서동물 군집구조 및 변동

  • Min Won-Gi (Marine Living Resources Research Division, Korea Ocean Research & Development Institute) ;
  • Kim Dong-Sung (Marine Living Resources Research Division, Korea Ocean Research & Development Institute) ;
  • Lee Jae-Hac (Marine Living Resources Research Division, Korea Ocean Research & Development Institute)
  • 민원기 (한국해양연구원 해양생물자원연구본부) ;
  • 김동성 (한국해양연구원 해양생물자원연구본부) ;
  • 이재학 (한국해양연구원 해양생물자원연구본부)
  • Published : 2006.05.01
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Abstract

We investigated the spring and summer community structure of meiobenthos in a tidal-falt near Iwon, Korea, in 2002 and 2003. In total, 12 meiofaunal groups were found in the study area among which nematodes were the most dominant. Benthic foraminiferans, harpacticoid copepods, polychaetes, and crustacean nauplli were also dominant groups at all sites. The total density of meiobenthos at each station was be 246-2,177 ind./$10cm^2$. As the depth of sediment increased, the density of meiobenthos at each station gradually decreased. Changes in the vertical distribution of meiobenthos in the study area occurred mainly near the sediment surface (0-1 cm). Generally, between spring and summer the density of nematodes increased, and the density of other dominant meiofaunal groups (benthic harpacticoids, crustacean nauplii, benthic foraminiferans) decreased near the sediment trap the control site of sediment traps compared to that at the control site. The results of cluster and multidimensional scaling plots indicate that the meiofaunal community changed following construction of a low artificial wood groin structure.

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References

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