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http://dx.doi.org/10.3741/JKWRA.2013.46.3.267

Optimization of Channel Structure for Fish Habitat Suitability Enhancement  

Choi, Heung Sik (Department of Civil Engineering, Sangji Univ.)
Kim, Sang Mun (Kunil Engineering Co., Ltd.)
Publication Information
Journal of Korea Water Resources Association / v.46, no.3, 2013 , pp. 267-276 More about this Journal
Abstract
An Improvement of channel structure for sound fish habitat suitability enhancement is investigated. The restoration target species of Zacco Koreanus which is represented a sound aquatic ecosystem is selected by investigating results of the fish fauna and the river environments. The changes of lower channel width for enhancing suitability indices for water velocity and depth result in habitat suitability enhancement in general by PHABSIM simulation. The habitat suitability enhancement is not guaranteed consistently by the changes of lower channel is confirmed. The optimal lower channel widths at each reach are presented by genetic algorithm of optimization which is considering the enhancement of suitability indices for water velocity and depth with given instream flows. The suggested plan of the lower channel modification will contribute to the various projects for the environmental improvement of aquatic system.
Keywords
channel structure; restoration target species; habitat suitability; genetic algorithm; instream flow;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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