Ocean and Polar Research

Korea Institute of Ocean Science & Technology (한국해양과학기술원)
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Meiobenthic Community Structures on the Sediment of Seagrass Bed and Mangrove Forest in Chunk Lagoon, Micronesia

마이크로네시아 연방 축 라군의 해초지와 맹그로브 군락 퇴적물에 서식하는 중형저서동물 군집 특성

  • 민원기 (한국해양연구원 해양환경연구본부) ;
  • 김동성 (한국해양연구원 해양환경연구본부) ;
  • 권문상 (한국해양연구원 해양과학기술정책연구센터)
  • Published : 2006.03.31
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Abstract

This study was conducted to investigate the community structure and distributional pattern of meiobenthos on the sediment of the mangrove forest and seagrass bed in the Chuuk lagoon. The samples were collected by an acryl corer at 14 stations. Nematodes were the most abundant meiobenthos, followed by ciliophorans and polychaetes; these taxa comprised more than 70% of the total abundance at all stations. The meiofuuna sampled in seagrass bed were more diverse than those of mangrove substrates. Total densities were higher in mangrove stations than other sites, averaging 1,671 to $2,967inds/10cm^2$. Densities in seagrass area ranged between 605 and $1,053inds/10cm^2$. Biomasses, however, were higher in seagrass bed $(975-2,167{\mu}g\;free\;dry\;weight/10cm^2)$ than in mangrove area $(1,064-1,180{\mu}g\;free\;dry\;weight/10cm^2)$. Ordination chart by MDS of major meiofaunal density in each station showed difference between mangrove area and seagrass area in terms of habitat of meiobenthos.

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References

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