Table 2. Seasonal variation in the proportion (%) of organisms in lake water and in silver carp intestines
	Lake water			Silver carp intestines
	Spring	Summer	Autumn	Spring	Summer	Autumn
Organic detritus	45.41	31.81	32.75	37.57	33.77	45.89
Bacterium+Organic detritus	22.65	31.58	30.2	29.68	29.4	19.28
Phytoplankton	10.49	24.86	15.65	20.9	30.04	16.9
Zooplankton	21.48	11.74	21.42	11.86	6.79	17.94
Data source: Chen (1990)