Jong-Yun Choi

Publications64
h-index8
Citations218
Highly Influential Citations9
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Role of macrophytes as microhabitats for zooplankton community in lentic freshwater ecosystems of South Korea
TLDR
We investigated zooplankton abundance and diversity, macrophyte characteristics (types, dry weight, and species number), and physicochemical parameters (water temperature, dissolved oxygen, pH, conductivity, and chlorophyll a) by using the 1 × 1m quadrat method. Expand
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An Improved Phase-Shifted Carrier PWM for Modular Multilevel Converters with Redundancy Sub-Modules
In this paper, the PSC PWM method is chosen as the optimal modulation method for a 20MW VSC HVDC, with consideration of the harmonic distortion of the output voltage, the switching frequency, and the… Expand
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Distribution pattern of Pectinatella magnifica (Leidy, 1851), an invasive species, in the Geum River and the Nakdong River, South Korea
We conducted a distributional survey of Pectinatella magnifica, an invasive species, in the Geum River and the Nakdong River from July 12 to July 25, 2014. The spacing between the study sites was 10… Expand
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Mating Behavior of Daphnia: Impacts of Predation Risk, Food Quantity, and Reproductive Phase of Females
High predation risk and food depletion lead to sexual reproduction in cyclically parthenogenetic Daphnia. Mating, the core of sexual reproduction, also occurs under these conditions. Assessment of… Expand
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Effects of algal food quality on sexual reproduction of Daphnia magna
Abstract The objective of our study was to investigate sexual reproduction of Daphnia magna associated with mating behaviors and hatching rates, according to different algal food sources. Since a… Expand
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Population Growth of the Cladoceran, Daphnia magna: A Quantitative Analysis of the Effects of Different Algal Food
In this study, we examined the effects of two phytoplankton species, Chlorella vulgaris and Stephanodiscus hantzschii, on growth of the zooplankton Daphnia magna. Our experimental approach utilized… Expand
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Coordinated Metacommunity Assembly and Spatial Distribution of Multiple Microbial Kingdoms within a Lake
Freshwater planktonic communities comprise a tremendous diversity of microorganisms. This study investigated the distribution patterns of microbial kingdoms (bacteria, fungi, protists, and microbial… Expand
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Effect of removal of free-floating macrophytes on zooplankton habitat in shallow wetland
Key-words: submerged macrophyte, macrophyte habitat, zooplankton, species diversity, shallow wetland Submerged macrophytes improve the structural heterogeneity of microhabitats in aquatic ecosystems,… Expand
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Sustainment of epiphytic microinvertebrate assemblage in relation with different aquatic plant microhabitats in freshwater wetlands (South Korea)
In general, aquatic plants in shallow wetlands provide critical habitat and refuge for epiphytic microinvertebrates. We hypothesised that the density and diversity of epiphytic microinvertebrates… Expand
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Influene of aquatic macrophytes on the interactions among aquatic organisms in shallow wetlands (Upo Wetland, South Korea)
Seasonal monitoring was implemented to understand the influence of macrophyte bed structure on the composition and trophic interaction of aquatic organisms (algae, zooplankton, macro-invertebrate,… Expand
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