Linking bacterial community shifts with changes in the dissolved organic matter pool in a eutrophic lake

	Linking bacterial community shifts with changes in the dissolved organic matter pool in a eutrophic lake
	Zhang, Lei; Fang, Wangkai; Li, Xingchen; Gao, Guang; Jiang, Jiahu
刊名	SCIENCE OF THE TOTAL ENVIRONMENT
	2020
卷号	719
英文摘要	Aquatic bacterial communities play crucial roles in the circulation of nutrients in watershed ecosystems. However, the interaction between bacterial communities and chromophoric dissolved organic matter (CDOM) in freshwater ecosystems has not been studied in depth. In our study, we examined the constitution and interactions of CDOM with the bacterial community in Lake Chaohu and its inflow rivers under the influence of different exogenous pollutants. The results revealed that the bacterial community diversity in the inflow rivers was significantly lower than that in the lake sites. Clustering of different types of polluted inflow rivers integrated with the most abundant genera observed in specific areas indicated that environmentally guided species selection had a large impact on the composition of aquatic bacterial communities. Moreover, our study suggests that communities in lake environments may be more susceptible to interference through a variety of physiologies or via functional redundancy, allowing them to preserve their community structure. Through linear discriminant analysis effect size (Lefse) methods, we revealed that some taxa (from phylum to genus) were consistently enriched in the lake sites. Based on correlation network analysis results, the supersession niches of bacterial community members related to different CDOM in the biogeochemical process was determined. This study provides an ecological basis for the control of external pollution and the protection of the water environment in watershed ecosystems. (C) 2020 Elsevier B.V. All rights reserved.
内容类型	期刊论文
源URL	[http://159.226.73.51/handle/332005/20109]
专题	中国科学院南京地理与湖泊研究所
推荐引用方式 GB/T 7714	Zhang, Lei,Fang, Wangkai,Li, Xingchen,et al. Linking bacterial community shifts with changes in the dissolved organic matter pool in a eutrophic lake[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,719.
APA	Zhang, Lei,Fang, Wangkai,Li, Xingchen,Gao, Guang,&Jiang, Jiahu.(2020).Linking bacterial community shifts with changes in the dissolved organic matter pool in a eutrophic lake.SCIENCE OF THE TOTAL ENVIRONMENT,719.
MLA	Zhang, Lei,et al."Linking bacterial community shifts with changes in the dissolved organic matter pool in a eutrophic lake".SCIENCE OF THE TOTAL ENVIRONMENT 719(2020).