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Volume 34 Issue 4
Aug 2023
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Mingxian Han, Jianrong Huang, Jian Yang, Beichen Wang, Sun Xiaoxi, Hongchen Jiang. Distinct Assembly Mechanisms for Prokaryotic and Microeukaryotic Communities in the Water of Qinghai Lake. Journal of Earth Science, 2023, 34(4): 1189-1200. doi: 10.1007/s12583-023-1812-8
Citation: Mingxian Han, Jianrong Huang, Jian Yang, Beichen Wang, Sun Xiaoxi, Hongchen Jiang. Distinct Assembly Mechanisms for Prokaryotic and Microeukaryotic Communities in the Water of Qinghai Lake. Journal of Earth Science, 2023, 34(4): 1189-1200. doi: 10.1007/s12583-023-1812-8

Distinct Assembly Mechanisms for Prokaryotic and Microeukaryotic Communities in the Water of Qinghai Lake

doi: 10.1007/s12583-023-1812-8
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  • Corresponding author: Hongchen Jiang,
  • Received Date: 25 Oct 2022
  • Accepted Date: 04 Jan 2023
  • Issue Publish Date: 30 Aug 2023
  • Assembly processes of prokaryotic and microeukaryotic community is an important issue in microbial ecology. However, unclear remains about the relative contribution of deterministic and stochastic processes to the shaping of prokaryotic and microeukaryotic communities in saline lake water. Here, we systematically investigated the assembly processes governing the prokaryotic and microeukaryotic communities in Qinghai Lake with the use of Illumina sequencing and a null model. The results showed that both deterministic and stochastic processes play vital roles in shaping the assemblies of prokaryotic and microeukaryotic communities, in which stochastic processes appeared to dominate (> 70%). Prokaryotic communities were mainly governed by non-dominant processes (60.4%), followed by homogeneous selection (15.8%), variable selection (13.6%) and dispersal limitation (10.2%), whereas microeukaryotes were strongly driven by non-dominant processes (68.9%), followed by variable selection (23.6%) and homogenizing dispersal (6.3%). In terms of variable selection, nutrients (e.g., ammonium, dissolved inorganic carbon, dissolved organic carbon and total nitrogen) were the major factors influencing prokaryotic and microeukaryotic community structures. In summary, prokaryotes and microeukaryotes can be predominantly structured by different assembly mechanisms, in which stochasticity is stronger than deterministic processes. This finding helps to better comprehend the assembly of prokaryotic and eukaryotic communities in saline lakes.


  • Electronic Supplementary Materials: Supplementary materials (Tables S1–S2, Figs. S1–S3) are available in the online version of this article at
    Conflict of Interest
    The authors declare that they have no conflict of interest.
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