Applying population and community ecology theory to advance understanding of belowground biogeochemistry

Buchkowski, Robert W.; Bradford, Mark A.; Grandy, Andrew Stuart; Schmitz, Oswald J.; Wieder, William R.; van der Putten, ed., Wim

doi:10.1111/ele.12712

Applying population and community ecology theory to advance understanding of belowground biogeochemistry

Journal Article · Sun Jan 22 23:00:00 EST 2017 · Ecology Letters

DOI:https://doi.org/10.1111/ele.12712· OSTI ID:1401513

Buchkowski, Robert W. ^[1]; Bradford, Mark A. ^[1]; Grandy, Andrew Stuart ^[2]; Schmitz, Oswald J. ^[1]; Wieder, William R. ^[3]; van der Putten, ed., Wim

School of Forestry &, Environmental Studies Yale University New Haven CT 06511 USA
Department of Natural Resources and the Environment University of New Hampshire Durham NH 03824 USA
Climate and Global Dynamics Laboratory National Center for Atmospheric Research Boulder CO 80307 USA, Institute of Arctic and Alpine Research University of Colorado Boulder CO 80309 USA

Abstract

Approaches to quantifying and predicting soil biogeochemical cycles mostly consider microbial biomass and community composition as products of the abiotic environment. Current numerical approaches then primarily emphasise the importance of microbe–environment interactions and physiology as controls on biogeochemical cycles. Decidedly less attention has been paid to understanding control exerted by community dynamics and biotic interactions. Yet a rich literature of theoretical and empirical contributions highlights the importance of considering how variation in microbial population ecology, especially biotic interactions, is related to variation in key biogeochemical processes like soil carbon formation. We demonstrate how a population and community ecology perspective can be used to (1) understand the impact of microbial communities on biogeochemical cycles and (2) reframe current theory and models to include more detailed microbial ecology. Through a series of simulations we illustrate how density dependence and key biotic interactions, such as competition and predation, can determine the degree to which microbes regulate soil biogeochemical cycles. The ecological perspective and model simulations we present lay the foundation for developing empirical research and complementary models that explore the diversity of ecological mechanisms that operate in microbial communities to regulate biogeochemical processes.

View Accepted Manuscript (Publisher)

Sponsoring Organization:: USDOE

OSTI ID:: 1401513

Alternate ID(s):: OSTI ID: 1536725

Journal Information:: Ecology Letters, Journal Name: Ecology Letters Journal Issue: 2 Vol. 20; ISSN 1461-023X

Publisher:: Wiley-BlackwellCopyright Statement

Country of Publication:: United Kingdom

Language:: English

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