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Pinheiro Alves de Souza, Y. ; Siani, R. ; Albracht, C.* ; Huang, Y.* ; Eisenhauer, N.* ; Vogel, A.* ; Wagg, C.* ; Schloter, M. ; Schulz, S.

The effect of successive summer drought periods on bacterial diversity along a plant species richness gradient.

FEMS Microbiol. Ecol. 100:fiae096 (2024)
Verlagsversion DOI PMC
Open Access Gold (Paid Option)
Creative Commons Lizenzvertrag
Drought is a major stressor to soil microbial communities, and the intensification of climate change is predicted to increase hydric stress worldwide in the coming decades. As a possible mitigating factor for the consequences of prolonged drought periods, above and belowground biodiversity can increase ecosystem resistance and resilience by improving metabolic redundancy and complementarity as biodiversity increases. Here, we investigated the interaction effect between plant richness and successive, simulated summer drought on soil microbial communities during a period of 9 years.To do that, we made use of a well-established biodiversity experiment (The Jena Experiment) to investigate the response of microbial richness and community composition to successive drought periods alongside a plant richness gradient, which covers 1-, 2-, 4-, 8-, 16- and 60-species plant communities. Plots were covered from natural precipitation by installing rain shelters 6 weeks every summer. Bulk soil samples were collected 1 year after the last summer drought was simulated. Our data indicate that bacterial richness increased after successive exposure to drought, with the increase being stable along the plant richness gradient. We identified a significant effect of plant species richness on the soil microbial community composition and determined the taxa significantly impacted by drought at each plant richness level. Our data successfully demonstrates that summer drought might have a legacy effect on soil bacterial communities.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Plant Diversity ; Soil Microbiome, Drought Recovery, Acidobacteriota
ISSN (print) / ISBN 0168-6496
e-ISSN 1574-6941
Zeitschrift FEMS Microbiology Ecology
Quellenangaben Band: 100, Heft: 8, Seiten: , Artikelnummer: fiae096 Supplement: ,
Verlag Wiley
Verlagsort Oxford
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Comparative Microbiome Analysis (COMI)