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Soil bacterial networks are less stable under drought than fungal networks

de Vries, Franciska T.; Griffiths, Rob I.; Bailey, Mark; Craig, Hayley; Girlanda, Mariangela; Gweon, Hyun Soon; Hallin, Sara; Kaisermann, Aurore; Keith, Aidan M.; Kretzschmar, Marina; Lemanceau, Philippe; Lumini, Erica; Mason, Kelly E.; Oliver, Anna; Ostle, Nick; Prosser, James I.; Thion, Cecile; Thomson, Bruce; Bardgett, Richard D.. 2018 Soil bacterial networks are less stable under drought than fungal networks. Nature Communications, 9, 3033. 12, pp. https://doi.org/10.1038/s41467-018-05516-7

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Abstract/Summary

Soil microbial communities play a crucial role in ecosystem functioning, but it is unknown how co-occurrence networks within these communities respond to disturbances such as climate extremes. This represents an important knowledge gap because changes in microbial networks could have implications for their functioning and vulnerability to future dis- turbances. Here, we show in grassland mesocosms that drought promotes destabilising properties in soil bacterial, but not fungal, co-occurrence networks, and that changes in bacterial communities link more strongly to soil functioning during recovery than do changes in fungal communities. Moreover, we reveal that drought has a prolonged effect on bacterial communities and their co-occurrence networks via changes in vegetation composition and resultant reductions in soil moisture. Our results provide new insight in the mechanisms through which drought alters soil microbial communities with potential long-term con- sequences, including future plant community composition and the ability of aboveground and belowground communities to withstand future disturbances.

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1038/s41467-018-05516-7
UKCEH and CEH Sections/Science Areas: Soils and Land Use (Science Area 2017-)
Directors, SCs
UKCEH Fellows
Unaffiliated
ISSN: 2041-1723
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
Additional Keywords: climate-change ecology, ecological networks, ecosystem ecology, microbial ecology
NORA Subject Terms: Ecology and Environment
Agriculture and Soil Science
Date made live: 08 Aug 2018 09:55 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/520670

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