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Water 2015, 7(8), 4537-4551; doi:10.3390/w7084537

Transferability of Monitoring Data from Neighboring Streams in a Physical Habitat Simulation

School of Civil and Environmental Engineering, Yonsei University, Seoul 120-749, Korea
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Author to whom correspondence should be addressed.
Academic Editor: Young-Seuk Park
Received: 28 May 2015 / Revised: 13 August 2015 / Accepted: 18 August 2015 / Published: 20 August 2015
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Abstract

Habitat simulation models heavily rely on monitoring data, which can have serious effects on the success of a physical habitat simulation. However, if data monitored in a study reach are not available or insufficient, then data from neighboring streams are commonly used. The problem is that the impact of using data from neighboring streams has rarely been studied before. Motivated by this, we report herein on an investigation of the transferability of data from neighboring streams in a physical habitat simulation. The study area is a 2.5 km long reach located downstream from a dam in the Dal River, Korea. Zacco platypus was selected as the target fish for the physical habitat simulation. Monitoring data for the Dal River and three neighboring streams were obtained. First, similarities in the data related to channel geometry and in the observed distribution of the target species were examined. Principal Component Analysis (PCA) was also carried out to see the characteristics of the habitat use of the target species. Habitat Suitability Curves (HSCs) were constructed using the Gene Expression Programming (GEP) model, and improved Generalized Habitat Suitability Curves (GHSCs) were proposed. The physical habitat simulations were then performed. The Composite Suitability Index (CSI) distributions were predicted, and the impact of using data from the neighboring streams was investigated. The results indicated that the use of data from a neighboring stream even in the same watershed can result in large errors in the prediction of CSI. The physical habitat simulation with the improved GHSCs was found to best predict the CSI. View Full-Text
Keywords: physical habitat simulation; monitoring data; neighboring streams; composite suitability index; habitat suitability curve physical habitat simulation; monitoring data; neighboring streams; composite suitability index; habitat suitability curve
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Choi, B.; Choi, S.-U.; Kang, H. Transferability of Monitoring Data from Neighboring Streams in a Physical Habitat Simulation. Water 2015, 7, 4537-4551.

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