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Turnover of soil bacterial diversity driven by wide-scale environmental heterogeneity.

Abstract : Spatial scaling and determinism of the wide-scale distribution of macroorganism diversity has been largely demonstrated over a century. For microorganisms, and especially for soil bacteria, this fundamental question requires more thorough investigation, as little information has been reported to date. Here by applying the taxa-area relationship to the largest spatially explicit soil sampling available in France (2,085 soils, area covered ~5.3 × 10(5) km(2)) and developing an innovative evaluation of the habitat-area relationship, we show that the turnover rate of bacterial diversity in soils on a wide scale is highly significant and strongly correlated with the turnover rate of soil habitat. As the diversity of micro- and macroorganisms appears to be driven by similar processes (dispersal and selection), maintaining diverse and spatially structured habitats is essential for soil biological patrimony and the resulting ecosystem services.
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Contributor : Laurence Naiglin Connect in order to contact the contributor
Submitted on : Tuesday, March 25, 2014 - 3:09:33 PM
Last modification on : Friday, April 1, 2022 - 11:40:13 AM

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L. Ranjard, S. Dequiedt, Nicolas Chemidlin Prévost-Bouré, J. Thioulouse, N. P. A. Saby, et al.. Turnover of soil bacterial diversity driven by wide-scale environmental heterogeneity.. Nature Communications, Nature Publishing Group, 2013, 4, pp.1434. ⟨10.1038/ncomms2431⟩. ⟨hal-00965686⟩



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