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Assessing three fish species ecological status in Colorado River, Grand Canyon based on physical habitat and population models
Yao Weiwei; Chen Yuansheng
2018-04-01
Source PublicationMATHEMATICAL BIOSCIENCES
ISSN0025-5564
Volume298Pages:91-104
Corresponding AuthorYao Weiwei(weiweiyao@igsnrr.ac.cn)
AbstractColorado River is a unique ecosystem and provides important ecological services such as habitat for fish species as well as water power energy supplies. River management for this ecosystem requires assessment and decision support tools for fish which involves protecting, restoring as well as forecasting of future conditions. In this paper, a habitat and population model was developed and used to determine the levels of fish habitat suitability and population density in Colorado River between Lees Ferry and Lake Mead. The short term target fish populations are also predicted based on native fish recovery strategy. This model has been developed by combining hydrodynamics, heat transfer and sediment transport models with a habitat suitability index model and then coupling with habitat model into life stage population model. The fish were divided into four life stages according to the fish length. Three most abundant and typical native and non-native fish were selected as target species, which are rainbow trout (Oncorhynchus mylciss), brown trout (Salmo trutta) and flannelmouth sucker (Catostomus latipinnis). Flow velocity, water depth, water temperature and substrates were used as the suitability indicators in habitat model and overall suitability index (OSI) as well as weight usable area (WUA) was used as an indicator in population model. A comparison was made between simulated fish population alteration and surveyed fish number fluctuation during 2000 to 2009. The application of this habitat and population model indicates that this model can be accurate present habitat situation and targets fish population dynamics of in the study areas. The analysis also indicates the flannelmouth sucker population will steadily increase while the rainbow trout will decrease based on the native fish recovery scheme.
KeywordHabitat and population model Colorado River Rainbow trout (Oncorhynchus mykiss) Brown trout (Salmo trutta) Flannelmouth sucker (Catostomus latipinnis) Fish restoration plan
DOI10.1016/j.mbs.2018.02.006
WOS KeywordTROUT ONCORHYNCHUS-MYKISS ; AGE-0 RAINBOW-TROUT ; FLANNELMOUTH SUCKER ; SEDIMENT TRANSPORT ; REGULATED RIVER ; BROWN TROUT ; CATOSTOMUS-LATIPINNIS ; ATLANTIC SALMON ; LEES FERRY ; FLOW
Indexed BySCI
Language英语
Funding ProjectChina water key project plan[2016YFC0502004] ; CAS project[Y6V60222YZ] ; CCA project[201707] ; China national research funding[41430861]
Funding OrganizationChina water key project plan ; CAS project ; CCA project ; China national research funding
WOS Research AreaLife Sciences & Biomedicine - Other Topics ; Mathematical & Computational Biology
WOS SubjectBiology ; Mathematical & Computational Biology
WOS IDWOS:000430034700008
PublisherELSEVIER SCIENCE INC
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57307
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYao Weiwei
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Environm Remediat, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Yao Weiwei,Chen Yuansheng. Assessing three fish species ecological status in Colorado River, Grand Canyon based on physical habitat and population models[J]. MATHEMATICAL BIOSCIENCES,2018,298:91-104.
APA Yao Weiwei,&Chen Yuansheng.(2018).Assessing three fish species ecological status in Colorado River, Grand Canyon based on physical habitat and population models.MATHEMATICAL BIOSCIENCES,298,91-104.
MLA Yao Weiwei,et al."Assessing three fish species ecological status in Colorado River, Grand Canyon based on physical habitat and population models".MATHEMATICAL BIOSCIENCES 298(2018):91-104.
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