The Influence of Manila Clam (Ruditapes philippinarum) on Macrobenthos Communities in a Korean Tidal Ecosystem
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Title
- The Influence of Manila Clam (Ruditapes philippinarum) on Macrobenthos Communities in a Korean Tidal Ecosystem
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Author(s)
- Kim S.L.; Lee H.G.; Kang S.M.; Yu O.H.
- KIOST Author(s)
- Kim, Sang Lyeol(김상렬); Lee, Hyung Gon(이형곤); Yu, Ok Hwan(유옥환)
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Alternative Author(s)
- 김상렬; 이형곤; 강수민; 유옥환
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Publication Year
- 2020-05
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Abstract
- We investigated the biological impact of extensive Manila clam (Ruditapes philippinarum) aquaculture on macrobenthic communities in a tidal ecosystem in Korea. We collected macrobenthos (>1 mm in length) samples seasonally in the intertidal zone in Geunsoman, Taean, Korea from April 2011 to December 2014. We identified 146 macrobenthos species, including 60 polychaetes, 53 crustaceans, and 16 mollusks. A biota-environment matching (BIO-ENV) analysis indicated that the benthic community was affected by mean sediment grain size (Mz), total organic carbon (TOC), and R. philippinarum biomass. We found no correlation between R. philippinarum and the main dominant species (Heteromastus filiformis, Ceratonereis erythraeensis, and Ampharete arctica), which have a different feeding strategy; thus, this may result in a lack of competition for food resources. In addition, we found that flourishing R. philippinarum positively affects the macrobenthos density but negatively affects the biodiversity index. Moreover, competition between species does not occur clearly, and environmental variables (sediment, organic carbon) are important.
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ISSN
- 2071-1050
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/40253
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DOI
- 10.3390/su12104205
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Bibliographic Citation
- SUSTAINABILITY, v.12, no.10, 2020
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Publisher
- MDPI
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Keywords
- Manila clam; Ruditapes philippinarum; macrobenthos; feeding type; diversity
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Type
- Article
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Language
- English
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Document Type
- Article
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