Species Diversity and Community Structure of Macrobenthos in the Ulleung Basin, East Sea, Republic of Korea
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Title
- Species Diversity and Community Structure of Macrobenthos in the Ulleung Basin, East Sea, Republic of Korea
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Author(s)
- Kim, Sang Lyeol; Kang, Su Min; Lee, Hyung Gon; Han, Gwan Hee; Yu, Ok Hwan
- KIOST Author(s)
- Kim, Sang Lyeol(김상렬); Lee, Hyung Gon(이형곤); Yu, Ok Hwan(유옥환)
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Alternative Author(s)
- 김상렬; 강수민; 이형곤; 한관희; 유옥환
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Publication Year
- 2023-01
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Abstract
- The Ulleung Basin of the East Sea is a biological hotspot, but studies on the macrobenthos therein are lacking. To evaluate the macrobenthos species diversity and community structure in the Ulleung Basin, we conducted a survey from 2017 to 2021. A total of 262 species of macrobenthos was detected by the survey, and the average habitat density was 243 individuals/m2. The average biomass of macrobenthos was 43.7 g/m2, and the average Shannon and Wiener’s diversity index was 2.3 (0.69–3.61). The dominant species were the polychaetes Terebellides horikoshii, Chaetozone setosa, Scalibregma inflatum, and Aglaophamus sp. and the bivalvia Axinopsida subquadrata. The community structure of macrobenthos differed according to water depth, and a correlation analysis using environmental variables showed that the community was affected by water temperature, salinity, and dissolved oxygen. The macrobenthic fauna in the Ulleung Basin was greatly influenced by water depth, the sedimentary environment was different, and the dominant species were also different. In addition, there was little seasonal change compared to the East Sea coast. Our findings will facilitate further investigation of benthic ecosystems throughout the East Sea. © 2023 by the authors.
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ISSN
- 2077-1312
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/43901
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DOI
- 10.3390/jmse11010092
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Bibliographic Citation
- Journal of Marine Science and Engineering , v.11, no.1, 2023
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Publisher
- MDPI AG
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Keywords
- macrobenthos; Ulleung Basin; community structure; diversity; East Sea
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Type
- Article
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Language
- English
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Document Type
- Article
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