Prominent effect of soil network heterogeneity on microbial invasion

Francisco J. Perez-Reche, Sergei N. Taraskin, Wilfred Otten, M. P. Viana, Luciano da F. Costa, Christopher A. Gilligan

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Abstract

Using a network representation for real soil samples and mathematical models for microbial spread, we show that the structural heterogeneity of the soil habitat may have a very significant influence on the size of microbial invasions of the soil pore space. In particular, neglecting the soil structural heterogeneity may lead to a substantial underestimation of microbial invasion. Such effects are explained in terms of a crucial interplay between heterogeneity in microbial spread and heterogeneity in the topology of soil networks. The main influence of network topology on invasion is linked to the existence of long channels in soil networks that may act as bridges for transmission of microorganisms between distant parts of soil.
Original languageEnglish
Article number098102
Number of pages5
JournalPhysical Review Letters
Volume109
Issue number9
DOIs
StatePublished - 2012

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soils
topology
habitats
microorganisms
mathematical models
porosity

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Perez-Reche, F. J., Taraskin, S. N., Otten, W., Viana, M. P., Costa, L. D. F., & Gilligan, C. A. (2012). Prominent effect of soil network heterogeneity on microbial invasion. Physical Review Letters, 109(9), [098102]. DOI: 10.1103/PhysRevLett.109.098102

Perez-Reche, Francisco J.; Taraskin, Sergei N.; Otten, Wilfred; Viana, M. P.; Costa, Luciano da F.; Gilligan, Christopher A. / Prominent effect of soil network heterogeneity on microbial invasion.

In: Physical Review Letters, Vol. 109, No. 9, 098102, 2012.

Research output: Contribution to journalArticle

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Perez-Reche, FJ, Taraskin, SN, Otten, W, Viana, MP, Costa, LDF & Gilligan, CA 2012, 'Prominent effect of soil network heterogeneity on microbial invasion' Physical Review Letters, vol 109, no. 9, 098102. DOI: 10.1103/PhysRevLett.109.098102

Prominent effect of soil network heterogeneity on microbial invasion. / Perez-Reche, Francisco J.; Taraskin, Sergei N.; Otten, Wilfred; Viana, M. P.; Costa, Luciano da F.; Gilligan, Christopher A.

In: Physical Review Letters, Vol. 109, No. 9, 098102, 2012.

Research output: Contribution to journalArticle

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AU - Perez-Reche,Francisco J.

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AU - Gilligan,Christopher A.

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DO - 10.1103/PhysRevLett.109.098102

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Perez-Reche FJ, Taraskin SN, Otten W, Viana MP, Costa LDF, Gilligan CA. Prominent effect of soil network heterogeneity on microbial invasion. Physical Review Letters. 2012;109(9). 098102. Available from, DOI: 10.1103/PhysRevLett.109.098102