期刊
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
卷 98, 期 17, 页码 7597-7608出版社
SPRINGER
DOI: 10.1007/s00253-014-5772-x
关键词
Effluent discharge; River sediment and water; Bacterial community; Pyrosequencing
资金
- Foundation of Zhejiang Educational Committee [Y201224611]
- China Postdoctoral Science Foundation [2013 M541647]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1302130C]
The 454 pyrosequencing technique was applied to evaluate microbial community composition in sediment and water samples collected from the river receiving effluents from a swine farm and a farmhouse restaurant, respectively. For each sample, 4,600 effective sequences were selected and used to do the bacterial diversity and abundance analysis, respectively. Bacterial phylotype richness in the river sediment sample without effluent input was higher than the other samples, and the river water sample with addition of effluent from the swine farm had the least richness. Effluents from both the swine farm and the farmhouse restaurant have the potential to decrease the bacterial diversity and abundance in the river sediment and water, especially it is more significant in the river sediment. Effect of effluent from the swine farm on riverine bacterial communities was more significant than that from the farmhouse restaurant. Characterization of bacterial community composition in sediments from two tributaries of the downstream river showed that various effluents from the swine farm and the farmhouse restaurant have the similar potential to reduce the natural variability in riverine ecosystems, and contribute to the biotic homogenization in the river sediment.
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