城市五种景观植物土壤微生物多样性研究
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S154.36

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四川省科技厅应用基础研究项目(2020YJ0346)资助。


Study on Soil Microbial Diversity Under Five Urban Landscape Plants
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Funded by the Applied Basic Research Project (2020YJ0346) of Sichuan Science and Technology Department

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    摘要:

    绿地为城市提供广泛的生态服务,绿地土壤微生物群落是其中的关键组成部分。为探究城市绿地土壤微生物多样性及其影响因素,通过16S rRNA基因的高通量测序对城市绿地5种常见景观植物土壤微生物进行分析,发现不同景观植物土壤微生物优势物种具有较高的一致性,以变形菌门、放线菌门、酸杆菌门、绿弯菌门、粘球菌门为优势门。但其α多样性和β多样性根据景观植物不同表现出明显相异性。另外,各土壤中古菌趋同性极高,几乎都属于氨氧化古菌。微生物相互作用关系主要受土壤含水量、盐离子浓度和pH等因子的影响。

    Abstract:

    Greenspaces provide extensive ecosystem services for urban,while soil microbiome are key components of Urban landscape. In this study, the high-throughput sequencing of 16S rRNA genes was used to analyze soil microbes under five landscape plants in urban green space in order to study the diversity and influencing factors of soil microbes. It was found that the dominant species of soil microbes had high consistency under different urban landscape plants, the advantaged bacteria at phylum level were Proteobacteria, Actinobacteria, Acidobacteria, Chloroflexi, Myxococcota, but with variety in alpha and beta diversity indexes. Moreover, taxonomic convergence was found in archaeal community, which nearly all belonged to ammonia oxidizing archaea. The interactions between different microorganisms were regulated by soil moisture, salt ion concentration as well as pH.

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任一,韩畅,杨慧,魏岩冰,曹舒阳,钱宇杰,唐贇.城市五种景观植物土壤微生物多样性研究[J].土壤,2021,53(4):746-754. REN Yi, HAN Chang, YANG Hui, WEI Yanbing, CAO Shuyang, QIAN Yujie, TANG Yun. Study on Soil Microbial Diversity Under Five Urban Landscape Plants[J]. Soils,2021,53(4):746-754

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  • 收稿日期:2020-05-28
  • 最后修改日期:2020-10-26
  • 录用日期:2020-11-05
  • 在线发布日期: 2021-08-20
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