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<title lang=en>Spatial variability of the functional stability of microbial respiration process: a microcosm study using tropical forest soil</title>
<creator>Fromin, Nathalie</creator>
<creator>Porte, Benjamin</creator>
<creator>Lensi, Robert</creator>
<creator>Hamelin, Jérôme</creator>
<creator>Domenach, Anne-Marie</creator>
<creator>Buatois, Bruno</creator>
<creator>ROGGY, Jean-Christophe</creator>
<contributor>Centre d’Ecologie Fonctionnelle et Evolutive (CEFE) ; Institut de Recherche pour le Développement (IRD [France-Sud]) - Centre National de la Recherche Scientifique (CNRS) - Université de Montpellier (UM) - Institut national de la recherche agronomique [Montpellier] (INRA Montpellier) - École pratique des hautes études (EPHE) - Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro) - Université Paul-Valéry - Montpellier 3 (UM3) - Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro)</contributor>
<contributor>Université Montpellier 2 - Sciences et Techniques (UM2)</contributor>
<contributor>UR SEQBIO ; Institut de Recherche pour le Développement (IRD)</contributor>
<contributor>UR 0050 Laboratoire de Biotechnologie de l'Environnement ; Laboratoire de Biotechnologie de l'Environnement [Narbonne] (LBE) ; Institut national de la recherche agronomique [Montpellier] (INRA Montpellier) - Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) - Institut national de la recherche agronomique [Montpellier] (INRA Montpellier) - Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) - Institut National de la Recherche Agronomique (INRA) - Environnement et Agronomie (E.A.) - Microbiologie et Chaîne Alimentaire (MICA)</contributor>
<contributor>Centre de Coopération Internationale en Recherche Agronomique pour le Développement</contributor>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>ACI/Ecosphere Continentale; Fonctionnement et Dynamique de la Biosphere Continentale: Processus; Echanges de Matieres et d'Energie; Modelisation (Centre National de la Recherche Scientifique, France) program DIPROTRO-FLUX; Fonds de Cooperation Regional Guyane</contributor>
<source>ISSN: 1439-0108</source>
<source>EISSN: 1614-7480</source>
<source>Journal of Soils and Sediments</source>
<publisher>Springer Verlag</publisher>
<identifier>hal-01204209</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01204209</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01204209</source>
<source>Journal of Soils and Sediments, Springer Verlag, 2012, 12 (7), pp.1030 - 1039. 〈10.1007/s11368-012-0528-7〉</source>
<identifier>DOI : 10.1007/s11368-012-0528-7</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s11368-012-0528-7</relation>
<identifier>PRODINRA : 214444</identifier>
<language>en</language>
<subject lang=en>Disturbance</subject>
<subject lang=en>Diversity-stability relationship</subject>
<subject lang=en>Microbial diversity</subject>
<subject lang=en>Substrate-induced respiration</subject>
<subject>[SDV] Life Sciences [q-bio]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Understanding the ability of ecosystem processes to resist to and to recover from disturbances is critical to sustainable land use. However, the spatial variability of the stability has rarely been addressed. Here, we investigated the functional stability of a soil microbial process for 24 soils collected from adjacent locations from a 0.3 ha tropical rainforest plot in Paracou, French Guiana. The 24 locations were characterized regarding soil chemical and biological (microbial diversity) parameters and forest structure. The corresponding soils were submitted to an experimental transient heat disturbance during a microcosm experiment. The response of the respiration process was followed using substrate-induced respiration (SIR). The response of soil SIR to heat disturbance varied widely between samples. The variability of the SIR response increased just after the disturbance, and a global rather homogeneous decrease in SIR rates was observed 15 and 30 days after. The stability of SIR in response to heat disturbance could not be related to either the genetic or the metabolic diversity of the microbial community. The initial level of SIR before the disturbance was the soil variable that best correlated with the impact of the disturbance: the soil locations with the highest initial SIR rates were the most affected 15 and 30 days after the heat disturbance. Such a heterogeneous response suggests that the response of soil processes to a disturbance will be difficult to assess from only local-scale analyses and highlights the need for spatial explicitness in understanding biogeochemical processes.</description>
<date>2012</date>
</dc>
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