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Spatial and temporal distribution and characteristics of zooplankton communities in the southern coast of Korea from spring to summer period
Moon, S.Y.; Lee, M.H.; Jung, K.M.; Kim, H.; Jung, J.H. (2022). Spatial and temporal distribution and characteristics of zooplankton communities in the southern coast of Korea from spring to summer period. J. Korean Fish. Soc. 55(2): 154-170. https://dx.doi.org/10.5657/KFAS.2022.0154
In: Hangug susan haghoi ji = Journal of the Korean Fisheries Society. Hangug susan haghoi: Busan. ISSN 0374-8111; e-ISSN 2287-8815
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| Trefwoord |
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| Author keywords |
Zooplankton community; Species diversity; Environmental factors; Spring and summer; Southern coast |
| Auteurs | | Top |
- Moon, S.Y.
- Lee, M.H.
- Jung, K.M.
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| Abstract |
The zooplankton composition, abundance, community structure, and species diversity in the major commercial fishery species spawning grounds in the southern coast of Korea were investigated in this study. A total of 80 taxa were sampled, with the mean abundance range of 5,612-11,720 ind. m-3 and the mean biomass range of 41.6-1,086.8 mg m-3. The dominant species were Paracalanus copepodites, Paracalanus parvus s. l., Oithona copepodites, Paracalanus nauplii, Noctiluca scintillans, Oithona similis, and Ditrichocorycaeus affinis. The species diversity indices were highest in August, suggesting that diversity is influenced by neritic and oceanic warm-water species. A cluster analysis with non-metric multidimensional scaling (nMDS) revealed three groups of zooplankton communities. The April and May samples clustered into Group A, having the highest mean total zooplankton abundance and lowest species diversity, consisting mainly of temperate species located in the middle region of the southern coast of Korea. Cluster Group B was from the early summer season (June) and contained the highest species diversity with some oceanic and neritic zooplankton species. Cluster Group C from the summer season (July and August) mainly comprised P. parvus s. l. and O. similis. The redundancy analysis (RDA) indicated that abundance is positively correlated with salinity, and chlorophyll-a concentrations. |
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