Analyzing the relationship of meiobenthic community with geochemical factors in a coastal rocky shore of the East/Japan Sea, Korea
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Title
- Analyzing the relationship of meiobenthic community with geochemical factors in a coastal rocky shore of the East/Japan Sea, Korea
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Author(s)
- Choi, Ki Young; Min, Won Gi; Kim, Young Il; Rho, Hyun Soo
- KIOST Author(s)
- Choi, Ki Young(최기영); Min, Won Gi(민원기); KIM, YOUNG IL(김영일); Rho, Hyun Soo(노현수)
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Alternative Author(s)
- 최기영; 민원기; 김영일; 노현수
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Publication Year
- 2016-03
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Abstract
- A study was performed to understand the geochemical factors that influence the spatial distribution of the meiobenthic community on the rocky shore of Hujeong, a typical eastern coast in Korea. Eleven sediment samples were collected from the study area; meiobenthos were separated from each other and analyzed for characteristics such as grain size, total organic carbon, and major and trace elements. A total of 9 meiobenthic animal groups were identified, and benthic harpacticoids were found to predominate in most samples with a mean meiofaunal density of 680 indiv 10 cm(-2) and biomass of 294 mu g 10 cm(-2). The principal component analysis (PCA), constructed considering both biotic and abiotic variables, accounted for 60.3% of the total variance. The PC 1 axis explained 46.5% of the total variance and was correlated with nematodes. The PC 2 axis explained 13.8% of the remaining variance and was correlated with polychaetes, ostracods, and halacaloideans. The score plot obtained from the PCA, helped identify three main groups in the benthic environment. Group-I is associated with the nearby beach stations that are affected by terrestrial inputs. Group-II is categorized as stations around sandy sediments and bed rocks, which are relatively stable areas. Group-III includes stations affected by external, offshore environmental factors.
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ISSN
- 0749-0208
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2221
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DOI
- 10.2112/SI75-288.1
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Bibliographic Citation
- JOURNAL OF COASTAL RESEARCH, pp.1437 - 1441, 2016
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Publisher
- COASTAL EDUCATION & RESEARCH FOUNDATION
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Subject
- NEMATODES; ASSEMBLAGES; ABUNDANCES; INDICATOR; MEIOFAUNA; SEDIMENTS; REEF
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Keywords
- Meiofauna; trace elements; sand and rocky shore; East/Japan Sea
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Type
- Article
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Language
- English
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Document Type
- Article; Proceedings Paper
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