Recruitment of cyanobacteria from the sediments in the eutrophic Shanzi Reservoir

This study investigated the impact of four environmental factors on the recruitment of cyanobacteria from bottom sediments in the eutrophic Shanzi Reservoir. Temperature and light were identified as the key determinants for the recruitment of Microcystis and Oscillatoria. Cyanobacteria became domina...

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Veröffentlicht in:Environmental technology. - 1998. - 37(2016), 6 vom: 28., Seite 641-51
1. Verfasser: Su, Yuping (VerfasserIn)
Weitere Verfasser: You, Xuejing, Lin, Hui, Zhuang, Huiru, Weng, Yuan, Zhang, Dayi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Eutrophication Microcystis Oscillatoria quantitative PCR recruitment sediment DNA, Bacterial RNA, Ribosomal, 16S
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520 |a This study investigated the impact of four environmental factors on the recruitment of cyanobacteria from bottom sediments in the eutrophic Shanzi Reservoir. Temperature and light were identified as the key determinants for the recruitment of Microcystis and Oscillatoria. Cyanobacteria became dominant at higher temperature (20 °C) and light intensity (2000 lx) and Microcystis and Oscillatoria were the major species. Detailed recruitment simulation undertaken with the respective gradients of temperature and light suggested that both Microcystis and Oscillatoria are temperature sensitive and that their critical temperature point was 10 °C. However, distinct light impacts were observed only on Microcystis. The recruitment of Oscillatoria was light independent, whereas Microcystis had a positive relationship with light intensity. Physical disturbance promoted Microcystis recruitment and also affected the structure of the recruited cyanobacterial community at the water-sediment interface, based on quantitative polymerase chain reaction (qPCR) and phylogenetic analysis 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Eutrophication 
650 4 |a Microcystis 
650 4 |a Oscillatoria 
650 4 |a quantitative PCR 
650 4 |a recruitment 
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700 1 |a Lin, Hui  |e verfasserin  |4 aut 
700 1 |a Zhuang, Huiru  |e verfasserin  |4 aut 
700 1 |a Weng, Yuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Dayi  |e verfasserin  |4 aut 
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