Contribution of soil bacteria to the atmosphere across biomes
Entidad
UAM. Departamento de BiologíaEditor
ElsevierFecha de edición
2023-02-10Cita
10.1016/j.scitotenv.2023.162137
Science of the Total Environment 871 (2023): 162137
ISSN
0048-9697 (print); 1879-1026 (online)DOI
10.1016/j.scitotenv.2023.162137Financiado por
This work was supported by the Singapore Ministry of Education and Yale-NUS College, grant number R-607-265-331-121Versión del editor
https://doi.org/10.1016/j.scitotenv.2023.162137Materias
Biogeography; Microbial dispersal; Atmospheric Microbiology; Soil Microbiology; Source Tracking; Biología y Biomedicina / BiologíaNota
Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, los autores pertenecientes a la UAM y el nombre del grupo de colaboración, si lo hubiereDerechos
© 2023 The Author(s). Published by Elsevier B.V.Resumen
The dispersion of microorganisms through the atmosphere is a continual and essential process that underpins biogeography and ecosystem development and function. Despite the ubiquity of atmospheric microorganisms globally, specific knowledge of the determinants of atmospheric microbial diversity at any given location remains unresolved. Here we describe bacterial diversity in the atmospheric boundary layer and underlying soil at twelve globally distributed locations encompassing all major biomes, and characterise the contribution of local and distant soils to the observed atmospheric community. Across biomes the diversity of bacteria in the atmosphere was negatively correlated with mean annual precipitation but positively correlated to mean annual temperature. We identified distinct non-randomly assembled atmosphere and soil communities from each location, and some broad trends persisted across biomes including the enrichment of desiccation and UV tolerant taxa in the atmospheric community. Source tracking revealed that local soils were more influential than distant soil sources in determining observed diversity in the atmosphere, with more emissive semi-arid and arid biomes contributing most to signatures from distant soil. Our findings highlight complexities in the atmospheric microbiota that are relevant to understanding regional and global ecosystem connectivity
Lista de ficheros
Google Scholar:Archer, Stephen D.J.
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Alcami, Antonio
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Rastrojo, Alberto
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