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引用本文:刘福军,胡文英.光合细菌对盐碱地池塘浮游生物的影响.湖泊科学,2002,14(1):83-89. DOI:10.18307/2002.0113
LIU Fujun,HU Wenying.Effects of PSB to Plankton in Saline-alkili Wetland Ponds. J. Lake Sci.2002,14(1):83-89. DOI:10.18307/2002.0113
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光合细菌对盐碱地池塘浮游生物的影响
刘福军1, 胡文英2
1.农业部水产增养殖生态生理重点开放试验室, 上海 水产大学, 上海 200090;2.中国科学院南京地理与湖泊研究所, 南京 210008
摘要:
初步研究了在低洼盐碱地池塘中光合细菌 (PSB)施用后对浮游生物的影响.研究结果表明:(1)光合细菌的施入,促进了浮游植物中蓝藻门、绿藻门、隐藻门、裸藻门的数量和生物量的增长;硅藻门总体上有所下降,但小型种属增加;(2)光合细菌的施入,促进了浮游生物中枝角类、轮虫,尤其小型轮虫的增长,而桡足类和原生动物却表现出下降趋势;(3)浮游生物总体上表现为数量增加而生物量下降,但绝大部分种属均有不同程度的增加,而且浮游生物种类趋向于小型化,从而增加了鱼类有效的天然饵料,因而光合细菌的施入,可以调整并优化盐碱地池塘的浮游生物的群落结构.
关键词:  光合细菌(PSB)  池塘  盐碱地  浮游生物
DOI:10.18307/2002.0113
分类号:
基金项目:国家"九五"科技攻关项目(95-008-04-02)
Effects of PSB to Plankton in Saline-alkili Wetland Ponds
LIU Fujun1, HU Wenying2
1.Key laboratory of ecology and physiology in aquaculture Ministry of Agriculture Shanghai Fisheries University,Shanghai,200090 P. R. China;2.Nanjing institute of Geography and Limnology,Chinese Academy of Sciences Nanjing 21000& P. R. China
Abstract:
The reseaich on improving efficiency of PSB to plankton structure in low-lying saline-alkaline wetland ponds showed that PSB could enhance the number and the biomass of Cyanophya Cyptophyta Euglenophyta and Cryptophyta.Although Bacillariophyto dropped a little in general the small-type species increased.Moreover,PSB could enhance the number and the biomass of Cladocera and Rotifera especially those of the small-type Rotiferus.But those of Capepoda and Protozoa displayed a dropping tendency.Generally plankton displayed increases of numbers and decreases of biomass.Most species of plankton appeared certain increase,small-size geneses of plankton appeared more common than great-size ones which incrased the feed effect for fishes.In conclusion PSB could adjust and improve the structure of plankton community in saline-alkali wetland ponds.
Key words:  PSB  Low-lying saline-alkali wetland  ponds  plankton
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