Potential influence of water level changes on energy flows in a lake food web |
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| Authors: | YuYu Wang XiuBo Yu WenHua Li Jun Xu YuWei Chen Na Fan |
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| Institution: | WANG YuYu1,2,YU XiuBo1,LI WenHua1,XU Jun3,4,CHEN YuWei5 & FAN Na1,2 1 Key Laboratory of Ecosystem Network Observation and Modeling,Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China,2 Graduate University of Chinese Academy of Sciences,Beijing 100049,3 Donghu Experimental Station of Lake Ecosystems,State Key Laboratory of Freshwater Ecology and Biotechnology of China,Institute of Hydro- biology,Wuhan 430072,... |
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| Abstract: | Large seasonal water-level fluctuations may influence isotopic signatures of primary producers and the types and amounts of these potential food sources accessible to aquatic fauna of Poyang Lake,the largest freshwater lake in China.In this study,the isotopic signatures of primary producers and consumers were determined,stable carbon and nitrogen isotope analysis and mixing models were combined to investigate the influence of water levels on the diet and isotopic composition of Poyang Lake fish and inverteb... |
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| Keywords: | stable isotopes seasonal food sources IsoSource model water level Poyang Lake |
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