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- W2378146285 abstract "The continual and regular surveys on the planktonic microalgae community were conducted in six Tilapia's culture ponds in Panyu District,Guangzhou,Guangdong Province from May to November,2009.The results showed that a total of 157 planktonic microalgae species were identified during the culture period.Among them,67 species were Chlorophyta,34 were Cyanophyta,18 were Bacillariophyta,5 were Dinophyta,3 were Cryptophyta,28 were Euglenophyta,2 were Chrysophyta.The dominant species in every ponds were rich but composition was complex,and there were large differences among the cell volume of the different dominant species.The dominant species which take the advantage of the microalgae's density were Oscillatoria willei,Merismopedia punctata,Nostoc fuscescens,Gomphosphaeria aponina,Microcystis firma,Microcystis incerta,Chlorella pyrenoidosa,Ankistrodesmus falcatus,Coelastrum sphaericum and so on.Moreover,the dominant species which just take the advantage of the microalgae's biomass were Euglena pisciformis,Lepocinclis autumnalis,Phacus platalea,Phacus tortus,Strombomonas schauinslandii,Peridinium gatunense,Gonyaulax polygramma,Cryptomonas ovata,Chroomonas caudata and so on.Spirulina spirulinoides was not only the dominant species in number but also in biomass.In the early and middle period,the microalgae density and biomass increased rapidly.Moreover,the microalgae diversity was rich and the community was stable.But in the latter,most of them were often lower.During the early and middle culture period,the range of the quantities of microalgae,the biomass and the diversity index average were(0.59～72.85)×10 7 ind·L-1,1.12～114.14 mg·L-1,and 2.98,respectively.However,in the final phase,the microalgae density,the biomass and the diversity index average ranged from(16.29～67.37)×10 7 ind·L-1,6.57～67.76 mg·L-1,and 2.78.The microalgae density and biomass in ponds usually appeared significant positive correlation with some environmental factors,such as COD,DIN,etc.Tilapia could also effectively influence the changes of microalgae community structure and water quality factors in the ponds by filtering feeder's effect." @default.
- W2378146285 created "2016-06-24" @default.
- W2378146285 creator A5081082156 @default.
- W2378146285 date "2012-01-01" @default.
- W2378146285 modified "2023-09-23" @default.
- W2378146285 title "The Community Characteristics of Planktonic Microalgae in Tilapai's Culture Ponds Near the Pearl River Estuary" @default.
- W2378146285 hasPublicationYear "2012" @default.
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