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20 0 0年 8月和 2 0 0 1年 2月 ,在杏林虾池用稀释法研究了微型浮游动物对浮游植物的摄食压力 .结果表明 :砂壳纤毛虫、甲壳类无节幼体是微型浮游动物的优势种 ;浮游植物生长率夏季为 0 .40～ 1 .0 1 /d、冬季为 0 .1 8～ 0 .96/d ;浮游动物的摄食率夏季为 0 .578～ 1 .3 2 4/d、冬季为 0 .2 0 4～ 0 .2 55/d ;日摄食率 (以C计 )夏季为 1 9.1 7～89.51mg/(m3·d)、冬季为 3 .3 2～ 7.2 3mg/(m3·d) ,各占浮游植物现存量的 43 .90 %～ 73 .40 %、1 8.43 %～ 2 2 .51 %;对初级生产力的摄食压力夏季为 1 1 5.2 3 %～1 93 .52 %、冬季为 3 7.47%～ 1 1 1 .3 1 %.
The feeding pressure on the phytoplankton of the micro-zooplankton was studied by dilution method in the ponds of Xinglin shrimp ponds in August 2000 and February 2001. The results showed that the sand shell ciliates and crustacean nauplii were micro-floating The growth of phytoplankton was 0.40 ~ 1.01 / d in summer and 0.18 ~ 0.96 / d in winter, while the feeding rates of zooplankton in summer were 0.578-1.32 4 / d in winter and 0.24 ~ 0.255 / d in winter, respectively. The daily food intake rate in summer was 9.17-89.51 mg / (m3 · d) in summer and was between 3.32 and 7.2 3mg / (m3 · d), accounting for 43.90% ~ 73.40% and 1 8.43% ~ 22.51% of the existing stocks of phytoplankton respectively. The feeding pressure on primary productivity in summer was 1 1 5.23% ~ 1 93.52% in winter and 7.47% ~ 11.131% in winter.