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http://dx.doi.org/10.17820/eri.2020.7.4.320

A Case Study of Assessment of the Ecological Connectivity of Cross Sectional Structures in the Flowing Stream  

Choi, Heung Sik (Department of Civil Engineering, Sangji University)
Publication Information
Ecology and Resilient Infrastructure / v.7, no.4, 2020 , pp. 320-326 More about this Journal
Abstract
The present study aimed to assess the longitudinal connectivity owing to migrant characteristics of the target fish. The study area was Wonju-cheon Stream, and the target species were Zacco platypus and Minnows. The HEC-RAS model was used for the computation of the flow, and the ICE (Information sur la Continuite Ecologique) method was used to analyze the longitudinal connectivity. The longitudinal connectivity was assessed using the minimum overflow height, velocity, and depth of the cross sectional structure of a plunge pool and considering the swimming speed of the target fish. Simulation results indicated that the longitudinal connectivity scores for the Zacco platypus and Minnows were approximately 76 and 23, respectively.
Keywords
HEC-RAS; ICE method; Lateral structure; Longitudinal connectivity; Wonju-Cheon Stream; Zacco platypus and Minnows;
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