Distinct diversity patterns and assembly mechanisms of prokaryotic microbial sub-community in the water column of deep-sea cold seeps

Lyu, Yuanjiao; Zhang, Jian; Chen, Yu; Li, Qiqi; Ke, Zhixin; Zhang, Si; Li, Jie

doi:10.1016/j.jenvman.2023.119240

Cited by 2 publications

(1 citation statement)

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“…Additionally, some studies suggest that ecological and evolutionary processes, rather than island biogeography theories, primarily govern species assembly on islands (HilleRisLambers et al, 2012;Mittelbach and Schemske, 2015). Research on microbial communities in seawater indicates that species replacement significantly contributes to b-diversity patterns (Lyu et al, 2023). This work randomly selected seagrass patches of varying sizes, inculding Enhalus acoroides and Thalassia hemprichi.…”

Section: Introductionmentioning

confidence: 99%

Taxonomic and functional β-diversity patterns reveal stochastic assembly rules in microbial communities of seagrass beds

Niu,

Ren,

et al. 2024

Front. Plant Sci.

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Microorganisms are important members of seagrass bed ecosystems and play a crucial role in maintaining the health of seagrasses and the ecological functions of the ecosystem. In this study, we systematically quantified the assembly processes of microbial communities in fragmented seagrass beds and examined their correlation with environmental factors. Concurrently, we explored the relative contributions of species replacement and richness differences to the taxonomic and functional β-diversity of microbial communities, investigated the potential interrelation between these components, and assessed the explanatory power of environmental factors. The results suggest that stochastic processes dominate community assembly. Taxonomic β-diversity differences are governed by species replacement, while for functional β-diversity, the contribution of richness differences slightly outweighs that of replacement processes. A weak but significant correlation (p < 0.05) exists between the two components of β-diversity in taxonomy and functionality, with almost no observed significant correlation with environmental factors. This implies significant differences in taxonomy, but functional convergence and redundancy within microbial communities. Environmental factors are insufficient to explain the β-diversity differences. In conclusion, the assembly of microbial communities in fragmented seagrass beds is governed by stochastic processes. The patterns of taxonomic and functional β-diversity provide new insights and evidence for a better understanding of these stochastic assembly rules. This has important implications for the conservation and management of fragmented seagrass beds.

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Section: Introductionmentioning

confidence: 99%