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Soil bacterial community dynamics reflect changes in plant community and soil properties during the secondary succession of abandoned farmland in the Loess Plateau
Chao Zhang1; Guobin Li1,2; Sha Xue1; Guoliang Wang1; C. Zhang
SubtypeArticle
2016
Source PublicationSoil Biology & Biochemistry
description.correspondentemailzhangchaolynn@163.com
Issue97Pages:40-49
AbstractThe effects of natural succession on plant communities and soil variables have been established, but
changes in microbial communities and their response to plants and soils have not been well characterized in secondary succession. We investigated the changes in soil properties and plant and soil microbial communities during the secondary succession on abandoned cropland in the Loess Plateau of
China using high-throughput sequencing of the 16S rRNA gene. The study analyzed a chronosequence of
farmland undergoing spontaneous succession after being abandoned for 0 (farmland), 5, 10, 15, 20 and 30
years(y). Plant community metrics including percent cover, and above/belowground biomass, first
decreased in the initial stage (<10 y) and then increased during the succession. Proteobacteria, Acidobacteria, and Actinobacteria were the dominant phyla of soil bacteria across all succession. Bacterial
communities transitioned from Acidobacteria-dominant to Proteobacteria-dominant communities during
the 30 years of succession. Levels of soil organic carbon (C), total nitrogen (N), nitrate N and bacterial
diversity were lower soon (<5 years) after abandonment compared to the farmland, but they could
recover to farmland levels after 15e20 years and were much improved after continued succession. Plant
and bacterial community diversities (Shannon index and species richness) changed along successional
time, but they showed different patterns, suggesting an incongruous process between plant and microbial succession. Organic C, total N, available N, and available P contents were significantly correlated
with the abundance of most bacterial groups and the Shannon index, indicating the dependence of
bacterial community diversity on soil nutrient supply.

KeywordBacterial Diversity 16s Rrna Sequencing Plant Community Secondary Succession Loess Plateau
DOI10.1016/j.soilbio.2016.02.013
Indexed BySCI
Language英语
WOS IDWOS:000375517400005
Citation statistics
Cited Times:86[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/7786
Collection水保所科研产出--SCI_2016--SCI
Corresponding AuthorC. Zhang
Affiliation1.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, 712100, PR China
2.Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, 712100, PR China
Recommended Citation
GB/T 7714
Chao Zhang,Guobin Li,Sha Xue,et al. Soil bacterial community dynamics reflect changes in plant community and soil properties during the secondary succession of abandoned farmland in the Loess Plateau[J]. Soil Biology & Biochemistry,2016(97):40-49.
APA Chao Zhang,Guobin Li,Sha Xue,Guoliang Wang,&C. Zhang.(2016).Soil bacterial community dynamics reflect changes in plant community and soil properties during the secondary succession of abandoned farmland in the Loess Plateau.Soil Biology & Biochemistry(97),40-49.
MLA Chao Zhang,et al."Soil bacterial community dynamics reflect changes in plant community and soil properties during the secondary succession of abandoned farmland in the Loess Plateau".Soil Biology & Biochemistry .97(2016):40-49.
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