Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/6518
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Biotic interactions and biogeochemical processes in the soil environment
Authors: Subke, Jens-Arne
Carbone, M S
Khomik, M
Stoy, P
Bahn, Michael
Contact Email: jens-arne.subke@stir.ac.uk
Keywords: Soil CO2 efflux
Root respiration
Rhizosphere
Partitioning
terrestrial carbon cycle
Issue Date: 2012
Publisher: Copernicus for the European Geosciences Union
Citation: Subke J, Carbone MS, Khomik M, Stoy P & Bahn M (2012) Biotic interactions and biogeochemical processes in the soil environment, Biogeosciences, 9, pp. 1823-1825.
Abstract: Soils play a key role in the terrestrial carbon (C) cycle by storing and emitting large quantities of C. The impact of abiotic conditions (mainly soil temperature and moisture) on soil C turnover is well documented, but unravelling the influence of these drivers across temporal and spatial scales remains an important challenge. Biotic factors, such as microbial abundance and diversity, macro-faunal food webs and below-ground plant (i.e. root) biomass and diversity, play an important role in controlling soil C storage and emission, but remain under-investigated. To better understand the soil processes underlying terrestrial C cycling, the interactions between plants (autotrophs) and soil organisms (heterotrophs) need to be addressed more explicitly and integrated with short- and long-term effects of abiotic drivers. This special issue presents recent advances in field, laboratory, and modelling studies on soil C dynamics, with a particular emphasis on those aiming to resolve abiotic and biotic influences. The manuscripts highlight three areas of investigation that we suggest are central to current and future progress in ecosystem C dynamic research: (1) novel interpretations of abiotic controls on soil CO2 efflux, (2) legacy effects of abiotic drivers of soil C dynamics, and (3) the interaction between plant C dynamics and soil biological processes.
Type: Journal Article
URI: http://hdl.handle.net/1893/6518
URL: http://www.biogeosciences.net/9/1823/2012/bg-9-1823-2012.pdf
DOI Link: http://dx.doi.org/10.5194/bg-9-1823-2012
Rights: Publisher is open-access. Open access publishing allows free access to and distribution of published articles where the author retains copyright of their work by employing a Creative Commons attribution licence. Proper attribution of authorship and correct citation details should be given. Further details of the publisher policy are available from Biogeosciences at http://www.biogeosciences.net/general_information/license_and_copyright.html
Affiliation: Biological and Environmental Sciences
National Center for Ecological Analysis and Synthesis, Santa Barbara, USA
Max-Planck-Institute for Biogeochemistry, Germany
Montana State University, USA
University of Innsbruck

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