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http://dx.doi.org/10.5352/JLS.2014.24.5.532

Spatial and Temporal Variability of Phytoplankton at Hwadang-ri, Goseng-gun  

Kang, Man Ki (Department of Data Information Science, College of Natural Sciences & Human Ecology, Dongeui University)
Huh, Man Kyu (Department of Molecular Biology, College of Natural Sciences & Human Ecology, Dongeui University)
Publication Information
Journal of Life Science / v.24, no.5, 2014 , pp. 532-542 More about this Journal
Abstract
This study describe seasonal patterns in the variation of phytoplankton frequency in the water surface and basal layers and their spatial distributions at seven stations in Hwadang-ri, Goseng-gun in 2013. The phytoplankton community at Hwadang-ri was very diverse, with 60 taxa identified, representing three classes. Diatoms (Bacillariophyceae) exhibited the greatest diversity, with 41 taxa identified. These were followed by the dinoflagellates Dinophyceae, Cryptophyceae, and Eugenophyceae, with 16 taxa, two taxa, and one taxon, respectively. Water surfaces were shown with the relative individual density or abundance across areas. Except in January, Shannon-Weaver indices of diversity of the water surface layer were lower than those of the basal layer. In addition, evenness indices of the basal layer were higher than those of the water surface layer, except in January. For the community as a whole, the values of ${\beta}$-diversity were low for the seven stations: 1.125 for the water surface layer and 1.481 for the basal layer. Seasonal values for ${\beta}$-diversity were similar at the seven stations: 1.725 for the water surface layer and 1.347 for the basal layer. The phytoplankton community showed high taxonomic homogeneity in all four seasons, in addition to similar trends in seasonal development at depths in the same stations. However, the size distribution of the abundance and biomass showed a statistically significant west-east difference.
Keywords
Hwadang-ri; phytoplankton; size-frequency distribution; spatial patterns; ${\beta}$-diversity;
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