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http://dx.doi.org/10.17820/eri.2020.7.1.053

A Case Study of the Habitat Changes for the Fish Community due to the Restoration of Pool-Riffle Sequence  

Choi, Heung Sik (Department of Civil Engineering, Sangji University)
Choi, Jonggeun (Department of Civil Engineering, Sangji University)
Choi, Byungwoong (OJERI, Korea University)
Publication Information
Ecology and Resilient Infrastructure / v.7, no.1, 2020 , pp. 53-62 More about this Journal
Abstract
The present study aimed to investigate the impact of the restoration of the restoration technique on fish habitat using a physical habitat simulation in the Wonju-cheon Stream, Korea. The target species were Pungtungia herzi, Zacco platypus, and Zacco Koreanus, a dominant and sub-dominant species in the Wonju-cheon Stream. The River2D model was used for the computation of the flow and the habitat suitability index model was used to estimate the quality and quantity of habitat using habitat suitability curve. To assess the impact of pool-riffle sequence on change of fish habitat, this present study conducted using the each representative distance, namely, 50 m, 100 m, 200 m, and 300 m. Simulation results indicated that the pool-reffle sequence significantly increased the habitats for the target species than the result without considering pool-riffle sequence. On average, 53% of the Weighted Usable Area (WUA) increased due to pool-riffle sequence in the study area.
Keywords
Physical habitat simulation; Pool-riffle sequence; Restoration technique; River2D model; Weighted Usable Area;
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Times Cited By KSCI : 4  (Citation Analysis)
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