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Simulating Spawning and Juvenile Rainbow Trout (Oncorhynchus mykiss) Habitat in Colorado River Based on High-Flow Effects
Yao, Weiwei1; Liu, Huaxian1,2; Chen, Yuansheng1; Zhang, Wenyi3; Zhong, Yu4; Fan, Haiyan5; Li, Linkai3; Bamal, Sudeep6
2017-02-01
Source PublicationWATER
ISSN2073-4441
Volume9Issue:2Pages:15
Corresponding AuthorChen, Yuansheng(chenys@igsnrr.ac.cn)
AbstractHigh flow generates significant alterations in downstream river reaches, resulting in physical condition changes in the downstream regions of the river such as water depth, flow velocity, water temperature and river bed. These alterations will lead to change in fish habitat configuration in the river. This paper proposes a model system to evaluate the high flow effects on river velocity, water depth, substrates changes, temperature distribution and consequently assess the change in spawning and juvenile rainbow trout (Oncorhynchus mykiss) habitats in the downstream region of the Glen Canyon Dam. Firstly, based on the 2 dimensional (2D) depth-averaged CFD (Computational Fluid Dynamics) model and heat transfer equation applied for simulation, three indices were simulated, namely depth, flow velocity and temperature distribution. Then, the spawning and juvenile fish preference curves were obtained based on these three indices and substrates distribution. After that, the habitat model was proposed and used to simulate the high flow effects on juvenile and spawning rainbow trout habitat structure. Finally, the weighted usable area (WUA) and overall suitability index (OSI) of the spawning and juvenile fish species were quantitatively simulated to estimate the habitat sensitivity. The results illustrate that the high flow effect (HFE) increased the juvenile rainbow trout habitat quality but decreased the spawning rainbow trout habitat quality. The juvenile trout were mainly affected by the water depth while the spawning rainbow trout were dominated by the bed elevation.
Keywordfish habitat model high flow effects CFD model temperature distribution spawning and juvenile rainbow trout
DOI10.3390/w9020150
WOS KeywordGLEN CANYON DAM ; WATER TEMPERATURE ; SUITABILITY INDEXES ; SEDIMENT TRANSPORT ; ATLANTIC SALMON ; MODEL ; FISH ; BIODIVERSITY ; CONNECTIVITY ; MESOHABSIM
Indexed BySCI
Language英语
Funding ProjectCSC[201163003] ; China water key project plan[2016YFC0502004-4] ; CAS project[Y6V60222YZ]
Funding OrganizationCSC ; China water key project plan ; CAS project
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000395435800080
PublisherMDPI AG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/64684
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChen, Yuansheng
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Environm Remediat, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100101, Peoples R China
3.PowerChina Guiyang Engn Corp Ltd, Guiyang 550081, Guizhou, Peoples R China
4.Tech Univ Munich, Fac Med, D-80803 Munich, Germany
5.Beijing Water Sci & Technol Inst, Beijing 100142, Peoples R China
6.Natl Inst Technol Kurukshetra, Dept Civil Engn, Kurukshetra 136119, Haryana, India
Recommended Citation
GB/T 7714
Yao, Weiwei,Liu, Huaxian,Chen, Yuansheng,et al. Simulating Spawning and Juvenile Rainbow Trout (Oncorhynchus mykiss) Habitat in Colorado River Based on High-Flow Effects[J]. WATER,2017,9(2):15.
APA Yao, Weiwei.,Liu, Huaxian.,Chen, Yuansheng.,Zhang, Wenyi.,Zhong, Yu.,...&Bamal, Sudeep.(2017).Simulating Spawning and Juvenile Rainbow Trout (Oncorhynchus mykiss) Habitat in Colorado River Based on High-Flow Effects.WATER,9(2),15.
MLA Yao, Weiwei,et al."Simulating Spawning and Juvenile Rainbow Trout (Oncorhynchus mykiss) Habitat in Colorado River Based on High-Flow Effects".WATER 9.2(2017):15.
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