干旱区生态环境知识资源中心(Arid): Distinct Composition and Assembly Processes of Bacterial Communities in a River from the Arid Area: Ecotypes or Habitat Types?

Arid

DOI	10.1007/s00248-021-01902-9
	Distinct Composition and Assembly Processes of Bacterial Communities in a River from the Arid Area: Ecotypes or Habitat Types?
	Qi, Ran; Xue, Nana; Zhou, Xiaobin; Zhao, Li; Song, Wenjuan; Yang, Yuyi
通讯作者	Song, WJ (corresponding author), Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Xinjiang Lab Environm Pollut & Ecol Remediat, Urumqi 830011, Peoples R China. ; Song, WJ (corresponding author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
来源期刊	MICROBIAL ECOLOGY
ISSN	0095-3628
EISSN	1432-184X
出版年	2021-10
英文摘要	The composition, function, and assembly mechanism of the bacterial community are the focus of microbial ecology. Unsupervised machine learning may be a better way to understand the characteristics of bacterial metacommunities compared to the empirical habitat types. In this study, the composition, potential function, and assembly mechanism of the bacterial community in the arid river were analysed. The Dirichlet multinomial mixture method recognised four ecotypes across the three habitats (biofilm, water, and sediment). The bacterial communities in water are more sensitive to human activities. Bacterial diversity and richness in water decreased as the intensity of human activities increased from the region of water II to water I. Significant differences in the composition and potential function profile of bacterial communities between water ecotypes were also observed, such as higher relative abundance in the taxonomic composition of Firmicutes and potential function of plastic degradation in water I than those in water II. Habitat filtering may play a more critical role in the assembly of bacterial communities in the river biofilm, while stochastic processes dominate the assembly process of bacterial communities in water and sediment. In water I, salinity and mean annual precipitation were the main drivers shaping the biogeography of taxonomic structure, while mean annual temperature, total organic carbon, and ammonium nitrogen were the main environmental factors influencing the taxonomic structure in water II. These results would provide conceptual frameworks about choosing habitat types or ecotypes for the research of microbial communities among different niches in the aquatic environment.
英文关键词	Ili River Community structure Dirichlet multinomial mixture Neutral community model Stochastic process Ecotypes
类型	Article ; Early Access
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000710052300002
WOS关键词	DIVERSITY ; IMPACT ; WATER ; SALINITY ; QUALITY ; BLOOMS ; CARBON
WOS类目	Ecology ; Marine & Freshwater Biology ; Microbiology
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Microbiology
来源机构	中国科学院新疆生态与地理研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/364169
作者单位	[Qi, Ran] China Univ Geosci, Inst Geol Survey, Wuhan 430074, Peoples R China; [Qi, Ran] China Geol Survey, Command Ctr Integrated Survey Nat Resources, Beijing 100055, Peoples R China; [Xue, Nana] Xinjiang Agr Univ, Coll Resources & Environm, Urumqi 830052, Peoples R China; [Zhou, Xiaobin; Zhao, Li; Song, Wenjuan] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Xinjiang Lab Environm Pollut & Ecol Remediat, Urumqi 830011, Peoples R China; [Zhou, Xiaobin; Song, Wenjuan; Yang, Yuyi] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Yang, Yuyi] Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China
推荐引用方式 GB/T 7714	Qi, Ran,Xue, Nana,Zhou, Xiaobin,et al. Distinct Composition and Assembly Processes of Bacterial Communities in a River from the Arid Area: Ecotypes or Habitat Types?[J]. 中国科学院新疆生态与地理研究所,2021.
APA	Qi, Ran,Xue, Nana,Zhou, Xiaobin,Zhao, Li,Song, Wenjuan,&Yang, Yuyi.(2021).Distinct Composition and Assembly Processes of Bacterial Communities in a River from the Arid Area: Ecotypes or Habitat Types?.MICROBIAL ECOLOGY.
MLA	Qi, Ran,et al."Distinct Composition and Assembly Processes of Bacterial Communities in a River from the Arid Area: Ecotypes or Habitat Types?".MICROBIAL ECOLOGY (2021).