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Authors Liu, WQ; Zhang, W; Liu, GX; Zhang, YH; Zhang, GS
Author Full Name Liu Wanqiu; Zhang Wei; Liu Guangxiu; Zhang Yanhua; Zhang Gaosen
Title Microbial diversity in the saline-alkali soil of a coastal Tamarix chinensis woodland at Bohai Bay, China
Source JOURNAL OF ARID LAND
Language English
Document Type Article
Author Keywords coastal saline-alkali soil; Tamarix chinensis; bacteria; pyrosequencing
Keywords Plus TIDAL FLAT SEDIMENT; BACTERIAL DIVERSITY; ANTIMICROBIAL ACTIVITIES; COMMUNITIES; DESERT; ANTIOXIDANT; SUBSURFACE; SEQUENCE; TREES
Abstract Soil salinization or alkalization is a form of soil desertification. Coastal saline-alkali soil represents a type of desert and a key system in the network of ecosystems at the continent-ocean interface. Tamarix chinensis is a drought-tolerant plant that is widely distributed in the coastal saline-alkali soil of Bohai Bay, China. In this study, we used 454 pyrosequencing techniques to investigate the characteristics and distribution of the microbial diversity in coastal saline-alkali soil of the T. chinensis woodland at Bohai Bay. A total of 20,315 sequences were obtained, representing 19 known bacterial phyla and a large proportion of unclassified bacteria at the phylum level. Proteobacteria, Acidobacteria and Actinobacteria were the predominant phyla. The coverage of T. chinensis affected the microbial composition. At the phylum level, the relative abundance of gamma-Proteobacteria and Bacteroidetes decreased whereas Actinobacteria increased with the increasing coverage of T. chinensis. At the genus level, the proportions of Steroidobacter, Lechevalieria, Gp3 and Gp4 decreased with the increase of the vegetation coverage whereas the proportion of Nocardioides increased. A cluster analysis showed that the existing T. chinensis changed the niches for the microorganisms in the coastal saline-alkali soil, which caused changes in the microbial community. The analysis also distinguished the microbial community structure of the marginal area from those of the dense area and sparse area. Furthermore, the results also indicated that the distance to the seashore line could also affect certain groups of soil bacteria in this coastal saline-alkali soil, such as the family Cryomorphaceae and class Flavobacteria, whose population decreased as the distance increased. In addition, the seawater and temperature could be the driving factors that affected the changes.
Author Address [Liu Wanqiu; Zhang Wei; Liu Guangxiu; Zhang Gaosen] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Peoples R China; [Liu Wanqiu; Zhang Wei; Liu Guangxiu; Zhang Gaosen] Key Lab Extreme Environm Microbial Resources & En, Lanzhou 730000, Gansu, Peoples R China; [Liu Wanqiu; Zhang Yanhua] Ocean & Fishery Bur Changyi, Changyi 261300, Peoples R China
Reprint Address Liu, GX (reprint author), Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Peoples R China.; Liu, GX (reprint author), Key Lab Extreme Environm Microbial Resources & En, Lanzhou 730000, Gansu, Peoples R China.
E-mail Address liugx@lzb.ac.cn
Funding Agency and Grant Number National Natural Science Foundation of ChinaNational Natural Science Foundation of China [31470544, 41271265]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2013T60900]; Science and Technology Projects in Gansu Province [1304NKCA135]
Funding Text This study was funded by the National Natural Science Foundation of China (31470544, 41271265), a special financial grant from the China Postdoctoral Science Foundation (2013T60900), and the Science and Technology Projects in Gansu Province (1304NKCA135).
Times Cited 3
Total Times Cited Count (WoS, BCI, and CSCD) 3
Publisher SPRINGER HEIDELBERG
Publisher City HEIDELBERG
Publisher Address TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
ISSN 1674-6767
29-Character Source Abbreviation J ARID LAND
ISO Source Abbreviation J. Arid Land
Publication Date APR
Year Published 2016
Volume 8
Issue 2
Beginning Page 284
Ending Page 292
Digital Object Identifier (DOI) 10.1007/s40333-015-0092-2
Page Count 9
Web of Science Category Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number DH9TE
Unique Article Identifier WOS:000373138000012
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