Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China

ABSTRACT The natural forest ecosystem in Eastern China, from tropical forest to boreal forest, has declined due to cropland development during the last 300 years, yet little is known about the historical biogeographic patterns and driving processes for the major domains of microorganisms along this...

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Autores principales:	Bin Ma, Zhongmin Dai, Haizhen Wang, Melissa Dsouza, Xingmei Liu, Yan He, Jianjun Wu, Jorge L. M. Rodrigues, Jack A. Gilbert, Philip C. Brookes, Jianming Xu
Formato:	article
Lenguaje:	EN
Publicado:	American Society for Microbiology 2017
Materias:	Eastern China edaphic factors forest soil historical processes microbial diversity vegetation zone Microbiology QR1-502
Acceso en línea:	https://doaj.org/article/40479a7fb45d4c77a14043e4562866fa
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spelling	oai:doaj.org-article:40479a7fb45d4c77a14043e4562866fa2021-12-02T18:39:32ZDistinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China10.1128/mSystems.00174-162379-5077https://doaj.org/article/40479a7fb45d4c77a14043e4562866fa2017-02-01T00:00:00Zhttps://journals.asm.org/doi/10.1128/mSystems.00174-16https://doaj.org/toc/2379-5077ABSTRACT The natural forest ecosystem in Eastern China, from tropical forest to boreal forest, has declined due to cropland development during the last 300 years, yet little is known about the historical biogeographic patterns and driving processes for the major domains of microorganisms along this continental-scale natural vegetation gradient. We predicted the biogeographic patterns of soil archaeal, bacterial, and fungal communities across 110 natural forest sites along a transect across four vegetation zones in Eastern China. The distance decay relationships demonstrated the distinct biogeographic patterns of archaeal, bacterial, and fungal communities. While historical processes mainly influenced bacterial community variations, spatially autocorrelated environmental variables mainly influenced the fungal community. Archaea did not display a distance decay pattern along the vegetation gradient. Bacterial community diversity and structure were correlated with the ratio of acid oxalate-soluble Fe to free Fe oxides (Feo/Fed ratio). Fungal community diversity and structure were influenced by dissolved organic carbon (DOC) and free aluminum (Ald), respectively. The role of these environmental variables was confirmed by the correlations between dominant operational taxonomic units (OTUs) and edaphic variables. However, most of the dominant OTUs were not correlated with the major driving variables for the entire communities. These results demonstrate that soil archaea, bacteria, and fungi have different biogeographic patterns and driving processes along this continental-scale natural vegetation gradient, implying different community assembly mechanisms and ecological functions for archaea, bacteria, and fungi in soil ecosystems. IMPORTANCE Understanding biogeographic patterns is a precursor to improving our knowledge of the function of microbiomes and to predicting ecosystem responses to environmental change. Using natural forest soil samples from 110 locations, this study is one of the largest attempts to comprehensively understand the different patterns of soil archaeal, bacterial, and fungal biogeography at the continental scale in eastern China. These patterns in natural forest sites could ascertain reliable soil microbial biogeographic patterns by eliminating anthropogenic influences. This information provides guidelines for monitoring the belowground ecosystem’s decline and restoration. Meanwhile, the deviations in the soil microbial communities from corresponding natural forest states indicate the extent of degradation of the soil ecosystem. Moreover, given the association between vegetation type and the microbial community, this information could be used to predict the long-term response of the underground ecosystem to the vegetation distribution caused by global climate change. Author Video: An author video summary of this article is available.Bin MaZhongmin DaiHaizhen WangMelissa DsouzaXingmei LiuYan HeJianjun WuJorge L. M. RodriguesJack A. GilbertPhilip C. BrookesJianming XuAmerican Society for MicrobiologyarticleEastern Chinaedaphic factorsforest soilhistorical processesmicrobial diversityvegetation zoneMicrobiologyQR1-502ENmSystems, Vol 2, Iss 1 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Eastern China edaphic factors forest soil historical processes microbial diversity vegetation zone Microbiology QR1-502
spellingShingle	Eastern China edaphic factors forest soil historical processes microbial diversity vegetation zone Microbiology QR1-502 Bin Ma Zhongmin Dai Haizhen Wang Melissa Dsouza Xingmei Liu Yan He Jianjun Wu Jorge L. M. Rodrigues Jack A. Gilbert Philip C. Brookes Jianming Xu Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China
description	ABSTRACT The natural forest ecosystem in Eastern China, from tropical forest to boreal forest, has declined due to cropland development during the last 300 years, yet little is known about the historical biogeographic patterns and driving processes for the major domains of microorganisms along this continental-scale natural vegetation gradient. We predicted the biogeographic patterns of soil archaeal, bacterial, and fungal communities across 110 natural forest sites along a transect across four vegetation zones in Eastern China. The distance decay relationships demonstrated the distinct biogeographic patterns of archaeal, bacterial, and fungal communities. While historical processes mainly influenced bacterial community variations, spatially autocorrelated environmental variables mainly influenced the fungal community. Archaea did not display a distance decay pattern along the vegetation gradient. Bacterial community diversity and structure were correlated with the ratio of acid oxalate-soluble Fe to free Fe oxides (Feo/Fed ratio). Fungal community diversity and structure were influenced by dissolved organic carbon (DOC) and free aluminum (Ald), respectively. The role of these environmental variables was confirmed by the correlations between dominant operational taxonomic units (OTUs) and edaphic variables. However, most of the dominant OTUs were not correlated with the major driving variables for the entire communities. These results demonstrate that soil archaea, bacteria, and fungi have different biogeographic patterns and driving processes along this continental-scale natural vegetation gradient, implying different community assembly mechanisms and ecological functions for archaea, bacteria, and fungi in soil ecosystems. IMPORTANCE Understanding biogeographic patterns is a precursor to improving our knowledge of the function of microbiomes and to predicting ecosystem responses to environmental change. Using natural forest soil samples from 110 locations, this study is one of the largest attempts to comprehensively understand the different patterns of soil archaeal, bacterial, and fungal biogeography at the continental scale in eastern China. These patterns in natural forest sites could ascertain reliable soil microbial biogeographic patterns by eliminating anthropogenic influences. This information provides guidelines for monitoring the belowground ecosystem’s decline and restoration. Meanwhile, the deviations in the soil microbial communities from corresponding natural forest states indicate the extent of degradation of the soil ecosystem. Moreover, given the association between vegetation type and the microbial community, this information could be used to predict the long-term response of the underground ecosystem to the vegetation distribution caused by global climate change. Author Video: An author video summary of this article is available.
format	article
author	Bin Ma Zhongmin Dai Haizhen Wang Melissa Dsouza Xingmei Liu Yan He Jianjun Wu Jorge L. M. Rodrigues Jack A. Gilbert Philip C. Brookes Jianming Xu
author_facet	Bin Ma Zhongmin Dai Haizhen Wang Melissa Dsouza Xingmei Liu Yan He Jianjun Wu Jorge L. M. Rodrigues Jack A. Gilbert Philip C. Brookes Jianming Xu
author_sort	Bin Ma
title	Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China
title_short	Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China
title_full	Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China
title_fullStr	Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China
title_full_unstemmed	Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China
title_sort	distinct biogeographic patterns for archaea, bacteria, and fungi along the vegetation gradient at the continental scale in eastern china
publisher	American Society for Microbiology
publishDate	2017
url	https://doaj.org/article/40479a7fb45d4c77a14043e4562866fa
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Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China

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