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Assessment of ecological instream flow requirements under climate change Pseudorasbora parva
Liu, Q (Liu, Q.)1,2; Yu, H (Yu, H.)1,2; Liang, L (Liang, L.)3; Ping, F (Ping, F.)1,2; Xia, X (Xia, X.)1,2; Mou, X (Mou, X.)1,2; Liang, J (Liang, J.)1,2; Liu, Q
Source PublicationINTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
2017
Volume14Issue:3Pages:509-520
DOI10.1007/s13762-016-1166-1
AbstractClimate change alters ecohydrological processes on different temporal and spatial scales. The aim of this study was to estimate ecological instream flow requirements (EIFR) under climate change impacts and to ascertain optimum flow magnitude to maintain the health of river ecosystems. We used the Mann-Kendall test, the River2D Hydrodynamic model, and the frequency-weighted usable area (FWUA) model on an annual scale in the Juma River to investigate changes in EIFRs caused by climate change. Findings indicated that: (1) between 1956 and 2005, annual instream flow in the Juma River exhibited an abrupt downward trend (in 1981); (2) variation in instream flow governed the area of available fish habitat, and degrees of change for low flow threshold values and low and high FWUA threshold almost exclusively occurred in descending sequential order from winter, spring, autumn, and summer; (3) changes in hydrological regimes influenced both the quantity and quality of physical habitat area, contributing greater to quality than to the distribution of area of physical habitat for Pseudorasbora parva. Climate change, reflected in the changes in EIFR and the area of optimum physical habitat, has dramatically influenced ecological structure and function, even in the small river system investigated for this study. Findings indicated that more rational measures should be put into practice to help address climate change.
Subject Area自然地理学
WOS IDWOS:000394996600007
Language英语
Indexed BySCI
KeywordYELLOW-RIVER BASIN ENVIRONMENTAL FLOW CHINA STREAMFLOW VARIABILITY HABITAT METHODOLOGIES PRECIPITATION ECOSYSTEMS TREND
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences ; Environmental Sciences & Ecology
Cooperation Status国内
SubtypeArticle
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8323
Collection图书馆
Corresponding AuthorLiu, Q
Affiliation1.Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China.
2.Beijing Normal Univ, Sch Environm, Key Lab Water & Sediment Sci, Minist Educ, Beijing 100875, Peoples R China.
3.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
Recommended Citation
GB/T 7714
Liu, Q ,Yu, H ,Liang, L ,et al. Assessment of ecological instream flow requirements under climate change Pseudorasbora parva[J]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY,2017,14(3):509-520.
APA Liu, Q .,Yu, H .,Liang, L .,Ping, F .,Xia, X .,...&Liu, Q.(2017).Assessment of ecological instream flow requirements under climate change Pseudorasbora parva.INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY,14(3),509-520.
MLA Liu, Q ,et al."Assessment of ecological instream flow requirements under climate change Pseudorasbora parva".INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY 14.3(2017):509-520.
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