《Table 4 Main food items and tropic guilds of small fi sh species in Kuilei Lake》

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《"Spatio-temporal variability of small fishes related with environmental factors in a typical domestic tap water lake, Eastern China"》

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Dietary data are from Anonymous，Department of Ichthyology，Institute of Hydrobiology，CAS，（1976） ，Xie et al.（2001，2005）and Zhang（2005）.

The Sr，D and H′showed signifi cant diff erences among the fi ve habitat types（P<0.05）（Table 5） .No signifi cant diff erence was found in the CPUE B.The D，H′，CPUE B and Sr in H1 were higher than the other habitats where submerged aquatic macrophytes were absent or rare.The aquatic vegetation habitat H1 was dominated by V.spinulosa，C.demersum and N.marina.Results of correlation analysis showed that Sr，H′and D were signifi cantly negatively correlated with water depth but signifi cantly positively correlated with submerged macrophyte biomass.The CPUE B was not signifi cantly aff ected by water depth and submerged macrophyte biomass（Table 5）.