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Effects of Variation in Tamarix chinensis Plantations on Soil Microbial Community Composition in the Middle Yellow River Floodplain

Author

Listed:
  • Xinyu Yan

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Lanlan Zhang

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Qi Xu

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Linyu Qi

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Jingyuan Yang

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Xiongde Dong

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Meiguang Jiang

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Mengjun Hu

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Junqiang Zheng

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Yanyan Yu

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Yuan Miao

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Shijie Han

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

  • Dong Wang

    (International Joint Research Laboratory for Global Change Ecology, School of Life Sciences, Henan University, Kaifeng 475004, China)

Abstract

Floodplains have important ecological and hydrological functions in terrestrial ecosystems, experience severe soil erosion, and are vulnerable to losing soil fertility. Tamarix chinensis Lour. plantation is the main vegetation restoration measure for maintaining soil quality in floodplains. Soil microorganisms are essential for driving biogeochemical cycling processes. However, the effects of sampling location and shrub patch size on soil microbial community composition remain unclear. In this study, we characterized changes in microbial structure, as well as the factors driving them, in inside- and outside-canopy soils of three patch sizes (small, medium, large) of T. chinensis plants in the middle Yellow River floodplain. Compared with the outside-canopy soils, inside-canopy had higher microbial phospholipid fatty acids (PLFAs), including fungi, bacteria, Gram-positive bacteria (GP), Gram-negative bacteria (GN), and arbuscular mycorrhizal fungi. The ratio of fungi to bacteria and GP to GN gradually decreased as shrub patch size increased. Differences between inside-canopy and outside-canopy soils in soil nutrients (organic matter, total nitrogen, and available phosphorus) and soil salt content increased by 59.73%, 40.75%, 34.41%, and 110.08% from small to large shrub patch size. Changes in microbial community composition were mainly driven by variation in soil organic matter, which accounted for 61.90% of the variation in inside-canopy soils. Resource islands could alter microbial community structure, and this effect was stronger when shrub patch size was large. The results indicated that T. chinensis plantations enhanced the soil nutrient contents (organic matter, total nitrogen, and available phosphorus) and elevated soil microbial biomass and changed microbial community composition; T. chinensis plantations might thus provide a suitable approach for restoring degraded floodplain ecosystems.

Suggested Citation

  • Xinyu Yan & Lanlan Zhang & Qi Xu & Linyu Qi & Jingyuan Yang & Xiongde Dong & Meiguang Jiang & Mengjun Hu & Junqiang Zheng & Yanyan Yu & Yuan Miao & Shijie Han & Dong Wang, 2023. "Effects of Variation in Tamarix chinensis Plantations on Soil Microbial Community Composition in the Middle Yellow River Floodplain," IJERPH, MDPI, vol. 20(6), pages 1-14, March.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:6:p:5015-:d:1095114
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    References listed on IDEAS

    as
    1. Yin, Chuan Hua & Feng, Gu & Zhang, Fusuo & Tian, Chang Yan & Tang, Caixian, 2010. "Enrichment of soil fertility and salinity by tamarisk in saline soils on the northern edge of the Taklamakan Desert," Agricultural Water Management, Elsevier, vol. 97(12), pages 1978-1986, November.
    2. Yun Xiang & Man Cheng & Yimei Huang & Shaoshan An & Frédéric Darboux, 2017. "Changes in Soil Microbial Community and Its Effect on Carbon Sequestration Following Afforestation on the Loess Plateau, China," IJERPH, MDPI, vol. 14(8), pages 1-11, August.
    3. Yun Xiang & Shaoshan An & Man Cheng & Lijun Liu & Ying Xie, 2018. "Changes of Soil Microbiological Properties during Grass Litter Decomposition in Loess Hilly Region, China," IJERPH, MDPI, vol. 15(9), pages 1-11, August.
    4. Kehinde Abraham Odelade & Olubukola Oluranti Babalola, 2019. "Bacteria, Fungi and Archaea Domains in Rhizospheric Soil and Their Effects in Enhancing Agricultural Productivity," IJERPH, MDPI, vol. 16(20), pages 1-19, October.
    5. Mengying Ruan & Yuxiu Zhang & Tuanyao Chai, 2020. "Rhizosphere Soil Microbial Properties on Tetraena mongolica in the Arid and Semi-Arid Regions, China," IJERPH, MDPI, vol. 17(14), pages 1-16, July.
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