Articles | Volume 17, issue 20
Research article
17 Oct 2020
Research article |  | 17 Oct 2020

Protists and collembolans alter microbial community composition, C dynamics and soil aggregation in simplified consumer–prey systems

Amandine Erktan, Matthias C. Rillig, Andrea Carminati, Alexandre Jousset, and Stefan Scheu

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Cited articles

Aspiras, R. B., Allen, O. N., Harris, R. F., and Chesters, G.:Aggregate stabilization by filamentous microorganisms, Soil Sci., 112, 282–284, 1971. 
Baldock, J. A.: Interactions of organic materials and microorganisms with minerals in the stabilization of soil structure, in: Interactions Between Soil Particles and Microorganisms, edited by: Huang, P. M., Bollag J.-M., and Senesi N., John Wiley & Sons, New York, NY, 85–131, 2002. 
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Bardgett, R. D., Keiller, S., Cook, R., and Gilburn, A. S.: Dynamic interactions between soil animals and microorganisms in upland grassland soils amended with sheep dung: a microcosm experiment, Soil Biol. Biochem., 30, 531–539, 1998. 
Short summary
Soil aggregation is crucial for soil functioning. While the role of bacteria and fungi in soil aggregation is well established, how predators feeding on microbes modify soil aggregation has hardly been investigated. We showed for the first time that protists modify soil aggregation, presumably through changes in the production of bacterial mucilage, and that collembolans reduce soil aggregation, presumably by reducing the abundance of saprotrophic fungi.
Final-revised paper