A hierarchy of environmental covariates control the global biogeography of soil bacterial richness

Abstract Soil bacterial communities are central to ecosystem functioning and services, yet spatial variations in their composition and diversity across biomes and climatic regions remain largely unknown. We employ multivariate general additive modeling of recent global soil bacterial datasets to elu...

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Autores principales:	Samuel Bickel, Xi Chen, Andreas Papritz, Dani Or
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/844de6a5934a4183bae20186ff3f5d20
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spelling	oai:doaj.org-article:844de6a5934a4183bae20186ff3f5d202021-12-02T15:09:33ZA hierarchy of environmental covariates control the global biogeography of soil bacterial richness10.1038/s41598-019-48571-w2045-2322https://doaj.org/article/844de6a5934a4183bae20186ff3f5d202019-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-48571-whttps://doaj.org/toc/2045-2322Abstract Soil bacterial communities are central to ecosystem functioning and services, yet spatial variations in their composition and diversity across biomes and climatic regions remain largely unknown. We employ multivariate general additive modeling of recent global soil bacterial datasets to elucidate dependencies of bacterial richness on key soil and climatic attributes. Although results support the well-known association between bacterial richness and soil pH, a hierarchy of novel covariates offers surprising new insights. Defining climatic soil water content explains both, the extent and connectivity of aqueous micro-habitats for bacterial diversity and soil pH, thus providing a better causal attribution. Results show that globally rare and abundant soil bacterial phylotypes exhibit different levels of dependency on environmental attributes. Surprisingly, the strong sensitivity of rare bacteria to certain environmental conditions improves their predictability relative to more abundant phylotypes that are often indifferent to variations in environmental drivers.Samuel BickelXi ChenAndreas PapritzDani OrNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Samuel Bickel Xi Chen Andreas Papritz Dani Or A hierarchy of environmental covariates control the global biogeography of soil bacterial richness
description	Abstract Soil bacterial communities are central to ecosystem functioning and services, yet spatial variations in their composition and diversity across biomes and climatic regions remain largely unknown. We employ multivariate general additive modeling of recent global soil bacterial datasets to elucidate dependencies of bacterial richness on key soil and climatic attributes. Although results support the well-known association between bacterial richness and soil pH, a hierarchy of novel covariates offers surprising new insights. Defining climatic soil water content explains both, the extent and connectivity of aqueous micro-habitats for bacterial diversity and soil pH, thus providing a better causal attribution. Results show that globally rare and abundant soil bacterial phylotypes exhibit different levels of dependency on environmental attributes. Surprisingly, the strong sensitivity of rare bacteria to certain environmental conditions improves their predictability relative to more abundant phylotypes that are often indifferent to variations in environmental drivers.
format	article
author	Samuel Bickel Xi Chen Andreas Papritz Dani Or
author_facet	Samuel Bickel Xi Chen Andreas Papritz Dani Or
author_sort	Samuel Bickel
title	A hierarchy of environmental covariates control the global biogeography of soil bacterial richness
title_short	A hierarchy of environmental covariates control the global biogeography of soil bacterial richness
title_full	A hierarchy of environmental covariates control the global biogeography of soil bacterial richness
title_fullStr	A hierarchy of environmental covariates control the global biogeography of soil bacterial richness
title_full_unstemmed	A hierarchy of environmental covariates control the global biogeography of soil bacterial richness
title_sort	hierarchy of environmental covariates control the global biogeography of soil bacterial richness
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/844de6a5934a4183bae20186ff3f5d20
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A hierarchy of environmental covariates control the global biogeography of soil bacterial richness

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