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生态学报 1986
FOOD WEB OF FISHES IN BOHAI SEA
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Abstract:
The present paper is based on the analysis of 1,863 stomach contents of 54 species of fishes collected from the samples in the monthly invetigation by draw net during April, 1982 to May, 1983 in Bohai Sea. We determined the contribution of different prey categories to the diet of a fish species by three methods : 1) the percentage weight of a prey category to the weight of the total stomach contents (W); 2) the percentage abundance of individuals of a prey in the stomachs (N); 3) the percentage frequency of...
