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Discontinuity in the responses of ecosystem processes and multifunctionality to altered soil community composition

Bradford, Mark A., Wood, Stephen A., Bardgett, Richard D., Black, Helaina I. J., Bonkowski, Michael, Eggers, Till, Grayston, Susan J., Kandeler, Ellen, Manning, Peter, Setälä, Heikki and Jones, T. Hefin 2014. Discontinuity in the responses of ecosystem processes and multifunctionality to altered soil community composition. Proceedings of the National Academy of Sciences 111 (40) , pp. 14478-14483. 10.1073/pnas.1413707111

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Abstract

Ecosystem functioning is more strongly affected by biodiversity loss when multiple functions are considered because different species affect different functions. To quantify these biodiversity-functioning relationships, the emerging multifunctionality framework advocates calculation of indices that aggregate responses of individual functions. Data aggregation, however, is notorious for providing misleading information by obscuring true relationships between explanatory and response variables. We test the ability of common multifunctionality indices to reveal effects on key ecosystem functions of changes in soil communities. The multifunctionality indices all decrease with soil animal loss, but the responses of individual functions diverge markedly from these aggregated metrics. Application of the multifunctionality framework for landscape provision of multiple ecosystem services should therefore emphasize understanding relationships between communities and individual functions.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: National Academy of Sciences
ISSN: 0027-8424
Date of Acceptance: 28 August 2014
Last Modified: 25 Mar 2020 13:24
URI: http://orca-mwe.cf.ac.uk/id/eprint/90618

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