Soil bacterial networks are less stable under drought than fungal networks

Franciska T de Vries, Rob I Griffiths, Mark Bailey, Hayley Craig, Mariangela Girlanda, Hyun Soon Gweon, Sara Hallin, Aurore Kaisermann, Aidan M Keith, Marina Kretzschmar, Philippe Lemanceau, Erica Lumini, Kelly E Mason, Anna Oliver, Nick Ostle, James I Prosser, Cecile Thion, Bruce Thomson, Richard D Bardgett

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Abstract

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 disturbances. 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 consequences, including future plant community composition and the ability of aboveground and belowground communities to withstand future disturbances.

Original languageEnglish
Article number3033
JournalNature Communications
Volume9
DOIs
Publication statusPublished - 2 Aug 2018

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drought
Drought
Droughts
soils
Soil
Soils
disturbances
Soil moisture
occurrences
Chemical analysis
Ecosystems
Climate
Ecosystem
Recovery
grasslands
vulnerability
soil moisture
ecosystems
vegetation
climate

Keywords

  • Journal Article
  • climate-change ecology
  • ecological networks
  • ecosystem ecology
  • microbial ecology

Cite this

de Vries, F. T., Griffiths, R. I., Bailey, M., Craig, H., Girlanda, M., Gweon, H. S., ... Bardgett, R. D. (2018). Soil bacterial networks are less stable under drought than fungal networks. Nature Communications, 9, [3033]. https://doi.org/10.1038/s41467-018-05516-7

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.

In: Nature Communications, Vol. 9, 3033, 02.08.2018.

Research output: Contribution to journalArticle

de Vries, FT, Griffiths, RI, Bailey, M, Craig, H, Girlanda, M, Gweon, HS, Hallin, S, Kaisermann, A, Keith, AM, Kretzschmar, M, Lemanceau, P, Lumini, E, Mason, KE, Oliver, A, Ostle, N, Prosser, JI, Thion, C, Thomson, B & Bardgett, RD 2018, 'Soil bacterial networks are less stable under drought than fungal networks', Nature Communications, vol. 9, 3033. https://doi.org/10.1038/s41467-018-05516-7
de Vries FT, Griffiths RI, Bailey M, Craig H, Girlanda M, Gweon HS et al. Soil bacterial networks are less stable under drought than fungal networks. Nature Communications. 2018 Aug 2;9. 3033. https://doi.org/10.1038/s41467-018-05516-7
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. / Soil bacterial networks are less stable under drought than fungal networks. In: Nature Communications. 2018 ; Vol. 9.
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abstract = "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 disturbances. 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 consequences, including future plant community composition and the ability of aboveground and belowground communities to withstand future disturbances.",
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AU - Hallin, Sara

AU - Kaisermann, Aurore

AU - Keith, Aidan M

AU - Kretzschmar, Marina

AU - Lemanceau, Philippe

AU - Lumini, Erica

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AU - Prosser, James I

AU - Thion, Cecile

AU - Thomson, Bruce

AU - Bardgett, Richard D

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AB - 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 disturbances. 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 consequences, including future plant community composition and the ability of aboveground and belowground communities to withstand future disturbances.

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