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Effects of Warming on Microbial Community Characteristics in the Soil Surface Layer of Niaodao Wetland in the Qinghai Lake Basin

Author

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  • Zihan Che

    (School of Life Sciences, Qinghai Normal University, Xining 810008, China
    Qinghai Province Key Laboratory of Physical Geography and Environmental Processes, Xining 810008, China
    Key Laboratory of Tibetan Plateau Land Surface Processes and Ecological Conservation, Qinghai Normal University, Xining 810008, China
    Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining 810008, China)

  • Deyong Yu

    (Qinghai Province Key Laboratory of Physical Geography and Environmental Processes, Xining 810008, China
    Key Laboratory of Tibetan Plateau Land Surface Processes and Ecological Conservation, Qinghai Normal University, Xining 810008, China
    Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining 810008, China
    Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China)

  • Kelong Chen

    (Qinghai Province Key Laboratory of Physical Geography and Environmental Processes, Xining 810008, China
    Key Laboratory of Tibetan Plateau Land Surface Processes and Ecological Conservation, Qinghai Normal University, Xining 810008, China
    Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining 810008, China)

  • Hengsheng Wang

    (School of Life Sciences, Hefei Normal University, Hefei 230601, China)

  • Ziwei Yang

    (Qinghai Province Key Laboratory of Physical Geography and Environmental Processes, Xining 810008, China
    Key Laboratory of Tibetan Plateau Land Surface Processes and Ecological Conservation, Qinghai Normal University, Xining 810008, China
    Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining 810008, China)

  • Fumei Liu

    (Qinghai Province Key Laboratory of Physical Geography and Environmental Processes, Xining 810008, China
    Key Laboratory of Tibetan Plateau Land Surface Processes and Ecological Conservation, Qinghai Normal University, Xining 810008, China
    Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining 810008, China)

  • Xia Wang

    (School of Life Sciences, Qinghai Normal University, Xining 810008, China
    Qinghai Province Key Laboratory of Physical Geography and Environmental Processes, Xining 810008, China
    Key Laboratory of Tibetan Plateau Land Surface Processes and Ecological Conservation, Qinghai Normal University, Xining 810008, China
    Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining 810008, China)

Abstract

Lakeshore wetlands are important terrestrial ecosystems worldwide, and the lakeshore wetlands of the Tibetan Plateau are sensitive to climate change. Therefore, in the context of global warming, studying the effects of temperature rise on surface soil microbial communities is essential for wetland biodiversity conservation. In this study, we used metagenomic sequencing to examine changes in the structure of surface soil microbial communities and their metabolic pathways in the Niaodao lakeshore wetland (NLW) in Qinghai Lake at 1.2 °C warming. Under natural control and warming conditions, Proteobacteria and Actinobacteria were the most dominant bacterial phyla, and Ascomycota and Basidiomycota were the predominant fungal phyla. Soil pH, electrical conductivity, and temperature affected the relative abundances of the dominant soil microbes. Effect size estimation in a linear discriminant analysis revealed 11 differential pathways between warming and natural conditions. Warming considerably enhanced the peptidoglycan biosynthetic pathways but inhibited the ATP-binding cassette transporter pathway. Warming treatment affected α-diversity indices, with an increase in the Shannon, Chao1, and richness indices and a decrease in the Simpson index compared with the index changes for the natural control conditions. Analysis of similarities showed significant differences between warming and control samples. Overall, temperature rise altered surface soil microbial community structure and increased surface soil microbial diversity and abundance in NLW.

Suggested Citation

  • Zihan Che & Deyong Yu & Kelong Chen & Hengsheng Wang & Ziwei Yang & Fumei Liu & Xia Wang, 2022. "Effects of Warming on Microbial Community Characteristics in the Soil Surface Layer of Niaodao Wetland in the Qinghai Lake Basin," Sustainability, MDPI, vol. 14(22), pages 1-13, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:22:p:15255-:d:975568
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    References listed on IDEAS

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    1. Jizhong Zhou & Kai Xue & Jianping Xie & Ye Deng & Liyou Wu & Xiaoli Cheng & Shenfeng Fei & Shiping Deng & Zhili He & Joy D. Van Nostrand & Yiqi Luo, 2012. "Microbial mediation of carbon-cycle feedbacks to climate warming," Nature Climate Change, Nature, vol. 2(2), pages 106-110, February.
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