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BG | Articles | Volume 17, issue 20
Biogeosciences, 17, 4961–4980, 2020
https://doi.org/10.5194/bg-17-4961-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 17, 4961–4980, 2020
https://doi.org/10.5194/bg-17-4961-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

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 et al.

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Cited articles

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Bardgett, R. D. and Van Der Putten, W. H.: Belowground biodiversity and ecosystem functioning, Nature, 515, 505–511, 2014. 
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. 
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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.
Soil aggregation is crucial for soil functioning. While the role of bacteria and fungi in soil...
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