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  • ISSN 1000-694X
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Journal of Desert Research >

2025 , Vol. 45 >Issue 3: 198 - 209

DOI: https://doi.org/10.7522/j.issn.1000-694X.2025.00037

Vegetation restoration measures affect soil microbial carbon and nitrogen functions in desertified alpine grassland

  • Wenjing Liu ,
  • Yigang Hu ,
  • Zhenzi He ,
  • Zhenhua Zhang ,
  • Yikang Li
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  • 1.Shapotou Desert Research and Experiment Station，Northwest Institute of Eco-Environment and Resources，Chinese Academy of Sciences，Lanzhou 730000，China
    2.University of Chinese Academy of Sciences，Beijing 100049，China
    3.MOE Key Laboratory of Land Resources Evaluation and Monitoring in Southwest，Sichuan Normal University，Chengdu 610068，China
    4.Institute of Northwest Plateau Biology，Chinese Academy of Sciences，Xining 810008，China

Received date: 2024-11-27

  Revised date: 2025-02-28

  Online published: 2025-06-30

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Abstract

To explore the effects of vegetation to restore the measures on carbon and nitrogen cyclings related soil microorganisms in the desertified Tibetan alpine meadow， this study selected artificially revegetated grasslands using herbs and shrubs to restore the desertified alpine grassland. We compared the structures and potential functions of carbon and nitrogen cyclings related soil microbial communities between the two revegetated grasslands using metagenomic sequencing technology. The results showed that vegetation revegetation significantly improved the Shannon-Wiener diversity， richness and evenness of carbon and nitrogen cyclings related soil microbial functional communities， and thereby affected the potential ecological functions. While there was no significant differences in most soil microbial carbon metabolic functions between revegetated grasslands and the natural desert， many nitrogen cycling related functions showed significant difference， indicating that the restoration of soil microbial carbon metabolic functions in the desertified alpine grassland due to revegetation was better than that of nitrogen cycling related functions. The carbon and nitrogen cyclings related soil microbial functional communities were significantly positively associated with the improvements of vegetation and soil environmental conditions. These results showed that despite artificial revegetation restructed the structures of carbon and nitrogen cycles related soil microbial functional communities in desertified alpine grassland， the effects of different revegetation measures on potential carbon and nitrogen functions of soil microbial communities were limited.

Key words： grassland degradation; artificial revegetation; carbon and nitrogen cycling; metagenomics; microbial functional community

Cite this article

Wenjing Liu , Yigang Hu , Zhenzi He , Zhenhua Zhang , Yikang Li . Vegetation restoration measures affect soil microbial carbon and nitrogen functions in desertified alpine grassland[J]. Journal of Desert Research, 2025 , 45(3) : 198 -209 . DOI: 10.7522/j.issn.1000-694X.2025.00037

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