Organism body size structures the soil microbial and nematode community assembly at a continental and global scale.

Organism body size structures the soil microbial and nematode community assembly at a continental and global scale.
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生物体大小构成了大陆和全球范围内的土壤微生物和线虫群落组装

DOI:
10.1038/s41467-020-20271-4
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发表时间:
2020-12-17
影响因子:
16.6
通讯作者:
Sun B
Sun B
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Luan L;Jiang Y;Cheng M;Dini-Andreote F;Sui Y;Xu Q;Geisen S;Sun B

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个体大小是一个关键的生活史特征,它通过影响生态过程在生物体水平上的运作来影响群落聚集。然而,生态过程的相对影响在多大程度上调节了不同大小的土壤有机体的组装仍然是未知的。在这里,我们使用大陆规模的采样工作结合全球规模的荟萃分析来调查不同大小的土壤微生物和微型动物的群落组合。我们的结果揭示了生物体大小和群落聚集上的随机-确定性平衡之间的一般关系。最小的微生物(细菌)相对更多地受到基于扩散的随机过程的影响,而较大的微生物(真菌、原生动物和线虫)更多地受到基于选择的确定性过程的影响。这项研究阐明了生物体生活史特征与不同的生态过程如何调节它们各自的群落组合之间的重要和一致的关系,从而更好地理解了支持土壤生物多样性的机制。
Body size is a key life-history trait that influences community assembly by affecting how ecological processes operate at the organism level. However, the extent to which the relative influences of ecological processes mediate the assembly of differentially sized soil organisms is still unknown. Here, we investigate the community assembly of differentially sized soil microorganisms and microfauna using a continental-scale sampling effort combined with a global-scale meta-analysis. Our results reveal a general relationship between organism body size and the stochastic-deterministic balance operating on community assembly. The smallest microorganisms (bacteria) are relatively more influenced by dispersal-based stochastic processes, while larger ones (fungi, protists and nematodes) are more structured by selection-based deterministic processes. This study elucidates a significant and consistent relationship between an organism life-history trait and how distinct ecological processes operate in mediating their respective community assemblages, thus providing a better understanding of the mechanisms supporting soil biodiversity.
DOI: 10.1111/jbi.12228
发表时间: 2014-01
影响因子: 3.9
作者:
Brown JH
通讯作者: Brown JH
轮作改变了东亚稻田土壤的细菌和真菌多样性
DOI: 10.1016/j.soilbio.2016.01.007
发表时间: 2016-04-01
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期刊: ISME JOURNAL
影响因子: 11
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DOI: 10.1073/pnas.0709942105
发表时间: 2008-07-29
影响因子: 11.1
作者:
Biddle, Jennifer F.;Fitz-Gibbon, Sorel;House, Christopher H.
通讯作者: House, Christopher H.