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Flaveria bidentis invasion modifies soil physicochemical properties and increases microorganism community diversity

  • Soils, Sec 5 • Soil and Landscape Ecology • Research Article
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Abstract

Purpose

The invasive plant Flaveria bidentis (L.) Kuntze, known as the "ecological killer", poses a significant threat to the ecosystem stability due to its strong phenotypic plasticity and high fertility. Previous studies have reported a close relationship between plant invasion and soil microbial communities. This study aimed to gain a deeper understanding of the relationship between the invasion of F. bidentis, the diversity of soil microbial communities, and soil physiochemical properties.

Methods

In this study, we established a common garden experiment by planting F. bidentis and Chenopodium ficifolium Sm. separately and mixed, in Lanfang, China. We analyzed microbial communities in both bulk soil and rhizosphere soil using the high-throughput sequencing technology.

Results

The results showed that F. bidentis invasion significantly increased bacterial and fungal diversities in rhizosphere soil, irrelevant with or without the existence of native plant species. Meanwhile, F. bidentis increased the content of organic matter and ammonium nitrogen (NH4+) in bulk soil and decrease the content of NH4+ in rhizosphere soil. Significant correlations were observed between nitrogen contents or acid phosphatase and specific soil microbial communities.

Conclusions

These results underly that regardless of competition with native plants, the invasion of F. bidentis alters soil physicochemical properties and increases microorganism community diversity. This study establishes a theoretical foundation for further research on the invasion mechanisms of F. bidentis and provides valuable references for other studies about F. bidentis.

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Data availability

MiSeq sequencing data are available online (http://www.ncbi.nlm.nih.gov/geo/) with the accession number BioProject: PRJNA917484.

References

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Acknowledgements

Mengxin Zhao developed the study concept and design. Shuaiying Zhang performed data analyses and drafted the initial manuscript. Qiao Li collected the samples. Jiantao Liu, Haixia Zhao, Han Zhang and Mengxin Zhao revised the manuscript. All authors read and approved the final manuscript.

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Correspondence to Mengxin Zhao.

Ethics declarations

This work was supported by the National Key Research and Development Program of China (Grant numbers 2021YFC2600400 and 2021YFD1400100), and by National Science Foundation of China (Grant numbers 42207162).

The authors have no relevant financial or non-financial interests to disclose.

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Responsible editor: Frédérique Reverchon

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Zhang, S., Liu, J., Zhao, H. et al. Flaveria bidentis invasion modifies soil physicochemical properties and increases microorganism community diversity. J Soils Sediments (2024). https://doi.org/10.1007/s11368-024-03810-0

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  • DOI: https://doi.org/10.1007/s11368-024-03810-0

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