Succession of a phytoplankton and mesozooplankton community in a coastal area with frequently occurring algal blooms
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Title
- Succession of a phytoplankton and mesozooplankton community in a coastal area with frequently occurring algal blooms
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Author(s)
- Lim, Young kyun; Baek, Seung Ho; Seo, Min Ho; Choi, Keun-Hyung
- KIOST Author(s)
- Lim, Young Kyun(임영균); Baek, Seung Ho(백승호)
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Alternative Author(s)
- 임영균; 백승호
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Publication Year
- 2020-12
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Abstract
- We examined seasonal succession in a phytoplankton and mesozooplankton community in open coastal waters with frequently occurring harmful algal blooms. Chlorophyll a (Chl a) concentration was positively related to the N/P/Si ratio, suggesting that nitrate is a major limiting nutrient for phytoplankton biomass increase. Heterotrophic red Noctiluca, but not toxic dinoflagellate, abundance showed a negative trend with both Chl a and mesozooplankton abundance. The phytoplankton community showed a clear seasonal succession, with an increased abundance of dinoflagellates in the summer community (June-September), which was distinctive from the autumn-winter-spring community (October-May) that was dominated by diatoms. A mesozooplankton community shift followed, with a lag of a couple of months, in the late August to December community that was associated with subtropical copepods. The other community from February to August is associated with marine cladocerans. Although the most dominant mesozooplankton of year was copepod at a rate of over 70%, coexisting gelatinous plankton such as appendicularians and Noctiluca, which may compete with copepods for prey could affect to copepod production in the region.
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ISSN
- 1385-1101
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/38559
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DOI
- 10.1016/j.seares.2020.101961
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Bibliographic Citation
- JOURNAL OF SEA RESEARCH, v.166, 2020
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Publisher
- ELSEVIER
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Subject
- EAST CHINA SEA; ZOOPLANKTON COMMUNITY; NOCTILUCA-SCINTILLANS; COPEPOD COMMUNITY; NITRATE UPTAKE; SOUTHERN SEA; RESTING EGGS; WATERS; SUMMER; PREDATION
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Keywords
- Succession; Nutrient stoichiometry; Phytoplankton community; Mesozooplankton community; Gelatinous zooplankton; Heterotrophic noctiluca
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Type
- Article
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Language
- English
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Document Type
- Article
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