Effects Of Pesticide Residues On Bacterial Community Diversity And Structure In Typical Greenhouse Soils With Increasing Cultivation Years In Northern China
文献类型: 外文期刊
作者: Wang, CN; Wu, RL; Li, YY; Qin, YF; Li, YL; Meng, FQ; Wang, LG; Xu, FL
作者机构:
关键词: Microbial Community Structure; Microbial Diversity; Greenhouse Soil; High-Throughput Sequencing; Pesticides Contamination
期刊名称: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN: 0048-9697
年卷期: 2020 年 710 卷
页码:
收录情况: JCR(2021版) ; EI(2021版)
摘要: The understanding of soil microbiome is important for sustainable cultivation, especially under greenhouse conditions. Here, we investigated the changes in soil pesticide residues and microbial diversity and community structure at different cultivation years under a greenhouse system. The 9-to-14 years sites were found to have the least diversity/rich microbial population as compared to sites under 8 years and over 16 years, as analyzed with alpha diversity index. In total, 42 bacterial phyla were identified across soils with different pesticide residues and cultivation ages. Proteobacteria, Acidobacteria, and Bacteroidetes represented the dominant phyla, that accounted for 34.2-43.4%, 9.7-19.3% and 92-16.5% of the total population, respectively. Our data prove that certain pesticides contribute to variation in soil microbial community and that soil bacteria respond differently to cultivation years under greenhouse conditions. Thus, this study provides an insight into microbial community structure changes by pesticides under greenhouse systems and natural biodegradation may have an important part in pesticides soil decontamination. (C) 2019 Elsevier B.V. All rights reserved.
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