Forest soil microbial functional patterns and response to a drought and warming event: Key role of climate-plant-soil interactions at a regional scale

TitleForest soil microbial functional patterns and response to a drought and warming event: Key role of climate-plant-soil interactions at a regional scale
Publication TypeJournal Article
Year of Publication2014
AuthorsPailler A., Vennetier M., Torre F., Ripert C., Guiral D.
JournalSoil Biology & Biochemistry
Volume70
Pagination1-4
Date PublishedMar
Type of ArticleArticle
ISBN Number0038-0717
Accession NumberWOS:000332439800001
KeywordsAboveground-belowground, Agriculture, biogeography, clpp, communities, diversity, Drought treatment, interactions, Mediterranean soils, microbial community, microresp (tm), physiological profiles
Abstract

Little is known about how spatial and environmental patterns structure soil microbial activities. We investigated, on 47 soil samples collected in Mediterranean forests, the net and interaction effects of climatic-geographic and edaphic variables as well as vegetation cover and composition on soil microbial community-level physiological profiles (CLPPs) assessed by Microresp (TM). The effects of these variables were also analyzed on CLPP response to an experimental drought treatment. CLPPs were shown to be mainly driven by climate-plant-soil and plant-soil interactions; even after drought treatment, there was a decrease in microbial activity but no change in CLPPs. Our findings highlight the robustness of these relationships, which need to be assessed within different ecosystems considering various spatial scales to reliably predict climate change effects on terrestrial ecosystems. (C) 2013 Elsevier Ltd. All rights reserved.

Short TitleSoil Biol. Biochem.Soil Biol. Biochem.
Alternate JournalSoil Biol. Biochem.
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Times Cited: 13
Cited Reference Count: 23
Pailler, Alexia Vennetier, Michel Torre, Franck Ripert, Christian Guiral, Daniel
Torre, Franck/C-1136-2009; Vennetier, Michel/ABD-2774-2021; Vennetier, Michel/B-1354-2012
Torre, Franck/0000-0002-0864-0489; Vennetier, Michel/0000-0002-7549-5701; Vennetier, Michel/0000-0002-7549-5701
CNRS French Scientific Research National Center, PACA Region; Luberon Natural Regional Park
We thank the two anonymous reviewers for their helpful comments, Max Sarrazin for CHN measurements and Marjorie Sweetko for English language editing. This work was made possible by financial support from the CNRS French Scientific Research National Center, PACA Region and the Luberon Natural Regional Park.
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Pailler, A (corresponding author), Aix Marseille Univ, Inst Mediterraneen Biodiversite & Ecol Marine & C, UMR CNRS 7263, IRD 237,FST St Jerome, Boite 421, F-13397 Marseille 20, France.
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