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Article

Aquatic Macrophytes Determine the Spatial Distribution of Invertebrates in a Shallow Reservoir

1
Department of Bioconvergence, Kyonggi University, Suwon 16227, Korea
2
Institute for Ecological Resource, Seoul 02783, Korea
3
National Institute of Ecology, Seo-Cheon Gun 33657, Korea
*
Authors to whom correspondence should be addressed.
Academic Editor: Peter Goethals
Water 2021, 13(11), 1455; https://doi.org/10.3390/w13111455
Received: 16 April 2021 / Revised: 19 May 2021 / Accepted: 19 May 2021 / Published: 22 May 2021
(This article belongs to the Section Biodiversity and Functionality of Aquatic Ecosystems)
Aquatic macrophytes determine the physical structure of many microhabitats in water and strongly influence the distribution of various aquatic animals. In this study, we analyzed the main microhabitat characteristics that affected the spatial distribution of invertebrates in shallow wetlands of South Korea (Jangcheok Reservoir). Environmental variables, macrophyte biomass, and invertebrate groups were used to analyze invertebrate distribution using a self-organizing map (SOM). Thirteen invertebrate groups were mapped onto the SOM, and each group was compared with the distribution of environmental variables and macrophyte biomass. Based on a U-matrix, five clusters were categorized according to Euclidean distance on the SOM. Invertebrate groups were closely related to macrophyte biomass. In particular, Lymnaeidae, Physidae, Viviparidae, Ecnomidae, and Hydrophilidae were abundant in quadrats with a high cover of Paspalum distichum and Nelumbo nucifera. Bithyniidae and Coenagrionidae were strongly associated with Trapa japonica and Hydrocharis dubia, whereas Planorbidae, Corduliidae, and Hydrophilidae were abundant with a high cover of Typha orientalis. Similar habitat preferences were found in a survey of gastropod distribution on the surface of each macrophyte species. The results clearly indicated that invertebrate distribution clusters were related to the spatial distribution of aquatic macrophytes in a shallow wetland. View Full-Text
Keywords: microhabitat; habitat heterogeneity; gastropods; self-organizing map; spatial pattern microhabitat; habitat heterogeneity; gastropods; self-organizing map; spatial pattern
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MDPI and ACS Style

Son, S.-H.; Kwon, S.-J.; Im, J.-H.; Kim, S.-K.; Kong, D.; Choi, J.-Y. Aquatic Macrophytes Determine the Spatial Distribution of Invertebrates in a Shallow Reservoir. Water 2021, 13, 1455. https://doi.org/10.3390/w13111455

AMA Style

Son S-H, Kwon S-J, Im J-H, Kim S-K, Kong D, Choi J-Y. Aquatic Macrophytes Determine the Spatial Distribution of Invertebrates in a Shallow Reservoir. Water. 2021; 13(11):1455. https://doi.org/10.3390/w13111455

Chicago/Turabian Style

Son, Se-Hwan, Soon-Jik Kwon, Ji-Hyeok Im, Seong-Ki Kim, Dongsoo Kong, and Jong-Yun Choi. 2021. "Aquatic Macrophytes Determine the Spatial Distribution of Invertebrates in a Shallow Reservoir" Water 13, no. 11: 1455. https://doi.org/10.3390/w13111455

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