Impacts of Flood Disturbance on the Dynamics of Basin-Scale Swimming Fish Migration in Mountainous Streams
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study River
2.2. Flood Events
2.3. eDNA Sampling
2.4. DNA Filtration, Extraction, and Quantitative Real-Time PCR
2.5. Rainfall–Runoff–Inundation Model
2.6. Hydrologic Index of Flood Magnitude
2.7. Analysis
3. Results
3.1. Spatiotemporal Change in eDNA Concentrations of P. altivelis
3.2. RRI Model Calculation Results
3.3. Flood Magnitude Index
3.4. Relationship between eDNA Concentration and Flood Magnitude Index
4. Discussion
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Explanation | Value | Determination |
---|---|---|
Manning’s roughness in river channel | 0.030 | Default value |
Manning’s roughness on slope cells | 0.500 | By calibration |
Soil depths (m) | 1.000 | By calibration |
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Harada, M.; Nagayama, S. Impacts of Flood Disturbance on the Dynamics of Basin-Scale Swimming Fish Migration in Mountainous Streams. Water 2022, 14, 538. https://doi.org/10.3390/w14040538
Harada M, Nagayama S. Impacts of Flood Disturbance on the Dynamics of Basin-Scale Swimming Fish Migration in Mountainous Streams. Water. 2022; 14(4):538. https://doi.org/10.3390/w14040538
Chicago/Turabian StyleHarada, Morihiro, and Shigeya Nagayama. 2022. "Impacts of Flood Disturbance on the Dynamics of Basin-Scale Swimming Fish Migration in Mountainous Streams" Water 14, no. 4: 538. https://doi.org/10.3390/w14040538