2015•动物与饲料科学：英文版Requires access
Construction of Food Web Model for Liusha Bay-Based on Stable Isotope Analysis
Yang Yang, Guohuan, Hou, Xiuqiong, Sun, Xingli, Chen, Chunliang
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Abstract
To investigate the food web structure of Liusha Bay,the δ13C and δ15N values of various organisms collected in Liusha Bay were measured via stable isotope technique.Based on the calculated δ15N value,the correlation between stable isotope ratio and trophic level were established to predict the trophic levels of shrimps,crabs,cephalopods and fishes.By comparing the analysis results of stomach contents of 24 organisms,two methods gave a similar consistence in approximately 71% of organisms within a 0.5 trophic level.It is concluded that stable isotope technique could be an effective method for studying ocean food web trophic level.更多还原