PMID: 22165239Dec 15, 2011Paper

Bacterial diversity in Lianyungang marine sediment and Qinghai Lake sediment

Huan jing ke xue= Huanjing kexue
Mei-Feng HouYun Zhao

Abstract

The 16S rRNA clone libraries of two different saline environments the Lianyungang marine sediment and the Qinghai Lake sediment were constructed. The Shannon diversity index, Chao and ACE richness index and Simpson dominance index of the bacterial communities in the two samples was compared, and the analysis for the bacterial community structures of this two samples was conducted. The results showed that the Shannon diversity index of Lianyungang marine sediment achieved 3.53, and that of Qinghai Lake sediment achieved 3.05, it was concluded that the bacterial communities in the two samples were diverse. The main bacterial communities in Lianyungang marine sediment included Proteobacteria (49.2%) and Bacteroidetes (29.2%), and Bacteroidetes (60.0%) and Firmicutes (26.0%) were the main bacterial communities in Qinghai Lake sediment. Some halotolerant and halophilic bacteria were found, which were important for industrial production and high saline wastewater treatment.

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