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鲤鱼种和鲢鳙对池塘浮游生物的影响
引用本文:赵玉宝.鲤鱼种和鲢鳙对池塘浮游生物的影响[J].生态学报,1993,13(4):348-355.
作者姓名:赵玉宝
作者单位:北京市水产科学研究所 北京
摘    要:本文根据1990年-9月对9个鱼池的研究,报道鲤鱼种和鲢鳙对浮游生物的影响,结果表明:鲤鱼种使浮游植物和浮游动物生物量增加,浮游植物大型化,浮游动物小型化,并使浮游植物多样性增加,浮游动物多样性下降;鲢鳙密度增加,浮生物小型明显,微型藻类和超微在在浮植物中所占比重显著增加,小型浮游动物(原生动物和轮虫)在浮游动物中比重也明显增;鲢鳙密度对浮游生物多样性和浮游生物量的影响具有阶段性,当鲢鳙密度低时,

关 键 词:鲢鳙  鲤鱼  鱼种  浮游生物  池塘养殖
收稿时间:1991/12/19 0:00:00
修稿时间:4/5/1993 12:00:00 AM

IMPACTS OF CARP FINGERLING AND SILVER AND BIGHEAD CARP ON POND PLANKTON
Zhao Yu-Bao.IMPACTS OF CARP FINGERLING AND SILVER AND BIGHEAD CARP ON POND PLANKTON[J].Acta Ecologica Sinica,1993,13(4):348-355.
Authors:Zhao Yu-Bao
Institution:Beijing Fisheries Research Institute; Beijing; 100075
Abstract:This paper reports the results of the effect of filter-feeder fish on plankton in nine fish ponds from April to September, 1990. The main results obtained are as fellows:1. Larger algae are become the dominant with stocking fingerling due to the cladocerans decreased by fish capture.2. Stocking fingerling stabilize phytoplankton community, phytoplankton community fluctuates little with fingerling but much without fingerling.3. Phytoplankton biomass, zooplankton biomass and production in stocking fingerling ponds are much more than those in control ponds.4. The plankton size is becoming smaller with the increase in density of slver and bighead carp. Both of the percentage of nanoalgae and picoalgae in phytoplankton and the percentage of protozoa and rotifera in zooplankton are increasing.5. When the density of silver and bighead carp gets some level,the change in diversity index of plankton is littie with the density increasing, the biomass and production of phytoplankton are not increasing but little decreasing,and the, biomass and production of zooplankton are not decreasing but little increasing with density increase.
Keywords:carp fingerling  silver and bighead carp  pond plankton  impact  
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