Towards revealing the global diversity and community assembly of soil eukaryotes,Ecology Letters

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Towards revealing the global diversity and community assembly of soil eukaryotes
Ecology Letters ( IF 7.6 ) Pub Date : 2021-10-25 , DOI: 10.1111/ele.13904
Farzad Aslani ₁ , Stefan Geisen ₂ , Daliang Ning ₃ , Leho Tedersoo _{4,

5} , Mohammad Bahram _{1,

6}

Affiliation

Soil fungi, protists, and animals (i.e., the eukaryome) play a critical role in key ecosystem functions in terrestrial ecosystems. Yet, we lack a holistic understanding of the processes shaping the global distribution of the eukaryome. We conducted a molecular analysis of 193 composite soil samples spanning the world's major biomes. Our analysis showed that the importance of selection processes was higher in the community assemblage of smaller-bodied and wider niche breadth organisms. Soil pH and mean annual precipitation were the primary determinants of the community structure of eukaryotic microbes and animals, respectively. We further found contrasting latitudinal diversity patterns and strengths for soil eukaryotic microbes and animals. Our results point to a potential link between body size and niche breadth of soil eukaryotes and the relative effect of ecological processes and environmental factors in driving their biogeographic patterns.

中文翻译：

揭示土壤真核生物的全球多样性和群落组装

土壤真菌、原生生物和动物（即真核细胞）在陆地生态系统的关键生态系统功能中发挥着关键作用。然而，我们缺乏对塑造真核细胞全球分布的过程的全面了解。我们对跨越世界主要生物群落的 193 个复合土壤样本进行了分子分析。我们的分析表明，在体型较小和生态位宽度较大的生物群落组合中，选择过程的重要性更高。土壤 pH 值和年平均降水量分别是真核微生物和动物群落结构的主要决定因素。我们进一步发现了土壤真核微生物和动物的对比纬度多样性模式和优势。

更新日期：2021-12-10

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