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Taxonomic dependency and spatial heterogeneity in assembly mechanisms of bacteria across complex coastal waters

Ecological processes, 2024-12, Vol.13 (1), p.6-18, Article 6 [Peer Reviewed Journal]

The Author(s) 2024 ;The Author(s) 2024. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2192-1709 ;EISSN: 2192-1709 ;DOI: 10.1186/s13717-023-00480-7

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  • Title:
    Taxonomic dependency and spatial heterogeneity in assembly mechanisms of bacteria across complex coastal waters
  • Author: Yan, Huizhen ; Lin, Dandan ; Gu, Gaoke ; Huang, Yujie ; Hu, Xuya ; Yu, Zhenhao ; Hou, Dandi ; Zhang, Demin ; Campbell, Barbara J. ; Wang, Kai
  • Subjects: Assembly ; Assembly mechanism ; Bacteria ; Bacterioplankton ; Biogeography ; Coastal waters ; Determinism ; Earth and Environmental Science ; Ecological effects ; Environment ; Environmental factors ; Environmental gradient ; Geography ; Heterogeneity ; Microorganisms ; Niche breadth ; Null model ; Patchiness ; Spatial heterogeneity ; Stochasticity ; Taxa ; Taxonomy
  • Is Part Of: Ecological processes, 2024-12, Vol.13 (1), p.6-18, Article 6
  • Description: Background Understanding community assembly mechanisms across taxa and space is fundamental for microbial ecology. However, the variability and determinants of assembly processes over taxa and space remain unclear. Here, we investigated taxonomic dependency and spatial heterogeneity in bacterial assembly mechanisms across coastal waters in the East China Sea using neutral and null models with customized visualization strategies. Results Overall, bacterial assembly mechanisms varied across broad taxonomic groups (phyla and proteobacterial classes) and space at the regional scale. A determinism–stochasticity balanced mechanism governed total bacterial assembly, while taxonomic dependency existed in assembly mechanisms and ecological processes. Among community ecological features, niche breadth and negative-to-positive cohesion ratio were strongly associated with the determinism-to-stochasticity ratio of bacterial groups. Bacterial assembly mechanisms commonly exhibited spatial heterogeneity, the extent and determinants of which varied across taxonomic groups. Spatial assembly of total bacteria was directly driven by many environmental factors and potential interactions between taxa, but not directly by geographic factors. Overall, the bacterial groups with higher spatial heterogeneity in assembly mechanisms were more related to environmental and/or geographic factors (except Bacteroidetes), while those with lower heterogeneity were more related to ecological features. Conclusions Our results confirm the pervasiveness of taxonomic dependency and spatial heterogeneity in bacterial assembly, providing a finer understanding about regulation across complex coastal waters.
  • Publisher: Berlin/Heidelberg: Springer Berlin Heidelberg
  • Language: English
  • Identifier: ISSN: 2192-1709
    EISSN: 2192-1709
    DOI: 10.1186/s13717-023-00480-7
  • Source: Geneva Foundation Free Medical Journals at publisher websites
    Springer OA刊
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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