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Authors Wang, S; Sun, L; Ling, N; Zhu, C; Chi, FQ; Li, WQ; Hao, XY; Zhang, W; Bian, JY; Chen, L; Wei, D
Author Full Name Wang, Shuang; Sun, Lei; Ling, Ning; Zhu, Chen; Chi, Fengqin; Li, Weiqun; Hao, Xiaoyu; Zhang, Wu; Bian, Jingyang; Chen, Lei; Wei, Dan
Title Exploring Soil Factors Determining Composition and Structure of the Bacterial Communities in Saline-Alkali Soils of Songnen Plain
Source FRONTIERS IN MICROBIOLOGY
Language English
Document Type Article
Author Keywords bacterial community; driving force; electrical conductivity; saline-alkali soil; Songnen Plain
Keywords Plus DAQINGENSIS SP NOV.; SALT-AFFECTED SOILS; MICROBIAL CHARACTERISTICS; NITROGEN DEPOSITION; SODIC SOILS; SP. NOV.; DIVERSITY; WATER; SALINIZATION; GRASSLAND
Abstract Songnen Plain is originally one of the three major glasslands in China and has now become one of the three most concentrated distribution areas of sodic-saline soil worldwide. The soil is continuously degraded by natural and anthropogenic processes, which has a negative impact on agricultural production. The investigation of microbial diversity in this degraded ecosystem is fundamental for comprehending biological and ecological processes and harnessing the potential of microbial resources. The Illumina MiSeq sequencing method was practiced to investigate the bacterial diversity and composition in saline-alkali soil. The results from this study show that the change in pH under alkaline conditions was not the major contributor in shaping bacterial community in Songnen Plain. The electrical conductivity (EC) content of soil was the most important driving force for bacterial composition (20.83%), and the second most influencing factor was Na+ content (14.17%). Bacterial communities were clearly separated in accordance with the EC. The dominant bacterial groups were Planctomycetes, Proteobacteria, and Bacteroidetes among the different salinity soil. As the salt concentration increased, the indicators changed from Planctomycetes and Bacteroidetes to Proteobacteria and Firmicutes. Our results suggest that Proteobacteria and Firmicutes were the main indicator species reflecting changes of the main microbial groups and the EC as a key factor drives the composition of the bacterial community under alkaline conditions in saline-alkali soil of Songnen Plain.
Author Address [Wang, Shuang; Sun, Lei; Chi, Fengqin; Li, Weiqun; Hao, Xiaoyu; Chen, Lei] Heilongjiang Acad Agr Sci, Inst Soil Fertilizer & Environm Resources, Key Lab Soil Environm & Plant Nutr Heilongjiang P, Heilongjiang Fertilizer Engn Res Ctr, Harbin, Peoples R China; [Ling, Ning; Zhu, Chen] Nanjing Agr Univ, Jiangsu Prov Key Lab Organ Sold Waste Utilizat, Nanjing, Peoples R China; [Zhang, Wu] Heilongjiang Acad Agr Sci, Heihe Branch, Heihe, Heilongjiang, Peoples R China; [Bian, Jingyang] Heilongjiang Acad Agr Sci, Daqing Branch, Daqing, Peoples R China; [Wei, Dan] Beijing Acad Agr & Forestry Sci, Inst Plant Nutr & Resources, Beijing, Peoples R China
Reprint Address Wei, D (corresponding author), Beijing Acad Agr & Forestry Sci, Inst Plant Nutr & Resources, Beijing, Peoples R China.
E-mail Address wd2087@163.com
ORCID Number Ling, Ning/0000-0003-1250-4073
Funding Agency and Grant Number National Key Research and Development Program of China [2017YFD0200604]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41771284]; Major Projects of Research and Development Program of Application Technology of Heilongjiang Province of China [GA19B105]; Heilongjiang Natural Science FoundationNatural Science Foundation of Heilongjiang Province [ZD2016008]; Special projects for the central government to guide local scientific and technological development [ZY18A04]
Funding Text This work was supported by the National Key Research and Development Program of China (2017YFD0200604), the National Natural Science Foundation of China (41771284), the Major Projects of Research and Development Program of Application Technology of Heilongjiang Province of China (GA19B105), the Heilongjiang Natural Science Foundation (ZD2016008), the Special projects for the central government to guide local scientific and technological development (ZY18A04).
Times Cited 4
Total Times Cited Count (WoS, BCI, and CSCD) 4
Publisher FRONTIERS MEDIA SA
Publisher City LAUSANNE
Publisher Address AVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE, CH-1015, SWITZERLAND
ISSN 1664-302X
29-Character Source Abbreviation FRONT MICROBIOL
ISO Source Abbreviation Front. Microbiol.
Publication Date JAN 14
Year Published 2020
Volume 10
Article Number 2902
Digital Object Identifier (DOI) 10.3389/fmicb.2019.02902
Page Count 11
Web of Science Category Microbiology
Subject Category Microbiology
Document Delivery Number KG4AG
Unique Article Identifier WOS:000509884800001
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