Increasing aridity reduces soil microbial diversity and abundance in global drylands
Artículo de publicación ISI
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| Format: | Artículo de revista biblioteca |
| Language: | English |
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Natl Acad Sciences
2015
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| Subjects: | Bacteria, Fungi, Climate change, Arid, Semiarid, |
| Online Access: | http://repositorio.uchile.cl/handle/2250/136461 |
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dig-uchile-cl-2250-1364612018-08-01T00:18:21Z Increasing aridity reduces soil microbial diversity and abundance in global drylands Maestre, Fernando T. Delgado Baquerizo, Manuel Jeffries, Thomas C. Eldridge, David J. Ochoa, Victoria Gozalo, Beatriz Quero, José Luis García Gómez, Miguel Gallardo, Antonio Ulrichg, Werner Bowker, Matthew A. Arredondo, Tulio Barraza Zepeda, Claudia Bran, Donaldo Florentino, Adriana Gaitán, Juan Gutiérrez, Julio R. Huber Sannwald, Elisabeth Jankju, Mohammad Mau, Rebecca L. Miriti, Maria Naseri, Kamal Ospina, Abelardo Stavi, Ilan Wang, Deli Woods, Natasha N. Yuan, Xia Zaady, Eli Singh, Brajesh K. Bacteria Fungi Climate change Arid Semiarid Artículo de publicación ISI Soil bacteria and fungi play key roles in the functioning of terrestrial ecosystems, yet our understanding of their responses to climate change lags significantly behind that of other organisms. This gap in our understanding is particularly true for drylands, which occupy similar to 41% of Earth ' s surface, because no global, systematic assessments of the joint diversity of soil bacteria and fungi have been conducted in these environments to date. Here we present results from a study conducted across 80 dryland sites from all continents, except Antarctica, to assess how changes in aridity affect the composition, abundance, and diversity of soil bacteria and fungi. The diversity and abundance of soil bacteria and fungi was reduced as aridity increased. These results were largely driven by the negative impacts of aridity on soil organic carbon content, which positively affected the abundance and diversity of both bacteria and fungi. Aridity promoted shifts in the composition of soil bacteria, with increases in the relative abundance of Chloroflexi and alpha-Proteobacteria and decreases in Acidobacteria and Verrucomicrobia. Contrary to what has been reported by previous continental and global-scale studies, soil pH was not a major driver of bacterial diversity, and fungal communities were dominated by Ascomycota. Our results fill a critical gap in our understanding of soil microbial communities in terrestrial ecosystems. They suggest that changes in aridity, such as those predicted by climate-change models, may reduce microbial abundance and diversity, a response that will likely impact the provision of key ecosystem services by global drylands. European Research Council (ERC) under European Community 242658 Spanish Ministry of Economy and Competitiveness BIOMOD Project CGL2013-44661-R Australian Research Council DP13010484 Salvador de Madariaga program of the Spanish Ministry of Education, Culture and Sports Grant PRX14/00225 Research Exchange Program of the Hawkesbury Institute for the Environment Alexander Von Humboldt Foundation Iniciativa Cientifica Milenio (MIDEPLAN) PO5-002 Comision Nacional de Investigacion Cientifica y Tecnologica PFB-23 2016-01-13T17:58:49Z 2016-01-13T17:58:49Z 2015 Artículo de revista PNAS | December 22, 2015 | vol. 112 | no. 51 DOI: 10.1073/pnas.1516684112 http://repositorio.uchile.cl/handle/2250/136461 en Atribución-NoComercial-SinDerivadas 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ application/pdf Natl Acad Sciences |
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biblioteca |
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Dirección de Servicios de Información y Bibliotecas de la UCHILE |
| language |
English |
| topic |
Bacteria Fungi Climate change Arid Semiarid Bacteria Fungi Climate change Arid Semiarid |
| spellingShingle |
Bacteria Fungi Climate change Arid Semiarid Bacteria Fungi Climate change Arid Semiarid Maestre, Fernando T. Delgado Baquerizo, Manuel Jeffries, Thomas C. Eldridge, David J. Ochoa, Victoria Gozalo, Beatriz Quero, José Luis García Gómez, Miguel Gallardo, Antonio Ulrichg, Werner Bowker, Matthew A. Arredondo, Tulio Barraza Zepeda, Claudia Bran, Donaldo Florentino, Adriana Gaitán, Juan Gutiérrez, Julio R. Huber Sannwald, Elisabeth Jankju, Mohammad Mau, Rebecca L. Miriti, Maria Naseri, Kamal Ospina, Abelardo Stavi, Ilan Wang, Deli Woods, Natasha N. Yuan, Xia Zaady, Eli Singh, Brajesh K. Increasing aridity reduces soil microbial diversity and abundance in global drylands |
| description |
Artículo de publicación ISI |
| format |
Artículo de revista |
| topic_facet |
Bacteria Fungi Climate change Arid Semiarid |
| author |
Maestre, Fernando T. Delgado Baquerizo, Manuel Jeffries, Thomas C. Eldridge, David J. Ochoa, Victoria Gozalo, Beatriz Quero, José Luis García Gómez, Miguel Gallardo, Antonio Ulrichg, Werner Bowker, Matthew A. Arredondo, Tulio Barraza Zepeda, Claudia Bran, Donaldo Florentino, Adriana Gaitán, Juan Gutiérrez, Julio R. Huber Sannwald, Elisabeth Jankju, Mohammad Mau, Rebecca L. Miriti, Maria Naseri, Kamal Ospina, Abelardo Stavi, Ilan Wang, Deli Woods, Natasha N. Yuan, Xia Zaady, Eli Singh, Brajesh K. |
| author_facet |
Maestre, Fernando T. Delgado Baquerizo, Manuel Jeffries, Thomas C. Eldridge, David J. Ochoa, Victoria Gozalo, Beatriz Quero, José Luis García Gómez, Miguel Gallardo, Antonio Ulrichg, Werner Bowker, Matthew A. Arredondo, Tulio Barraza Zepeda, Claudia Bran, Donaldo Florentino, Adriana Gaitán, Juan Gutiérrez, Julio R. Huber Sannwald, Elisabeth Jankju, Mohammad Mau, Rebecca L. Miriti, Maria Naseri, Kamal Ospina, Abelardo Stavi, Ilan Wang, Deli Woods, Natasha N. Yuan, Xia Zaady, Eli Singh, Brajesh K. |
| author_sort |
Maestre, Fernando T. |
| title |
Increasing aridity reduces soil microbial diversity and abundance in global drylands |
| title_short |
Increasing aridity reduces soil microbial diversity and abundance in global drylands |
| title_full |
Increasing aridity reduces soil microbial diversity and abundance in global drylands |
| title_fullStr |
Increasing aridity reduces soil microbial diversity and abundance in global drylands |
| title_full_unstemmed |
Increasing aridity reduces soil microbial diversity and abundance in global drylands |
| title_sort |
increasing aridity reduces soil microbial diversity and abundance in global drylands |
| publisher |
Natl Acad Sciences |
| publishDate |
2015 |
| url |
http://repositorio.uchile.cl/handle/2250/136461 |
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