A5065856204- Soil Carbon and Nitrogen Dynamics
- Microbial Community Ecology and Physiology
- Peatlands and Wetlands Ecology
- Gut microbiota and health
- Soil and Unsaturated Flow
- Soil Geostatistics and Mapping
- Soil and Water Nutrient Dynamics
- Microbial Metabolic Engineering and Bioproduction
- Genomics and Phylogenetic Studies
- Agriculture and Rural Development Research
- Mycorrhizal Fungi and Plant Interactions
- Ecology and Vegetation Dynamics Studies
- Pesticide and Herbicide Environmental Studies
- thermodynamics and calorimetric analyses
- Geology and Paleoclimatology Research
- Biocrusts and Microbial Ecology
- CO2 Sequestration and Geologic Interactions
- Groundwater flow and contamination studies
- Legume Nitrogen Fixing Symbiosis
- Isotope Analysis in Ecology
- Lattice Boltzmann Simulation Studies
- Global Energy and Sustainability Research
- Forest Ecology and Biodiversity Studies
- Ion-surface interactions and analysis
- Sustainability and Ecological Systems Analysis
Sorbonne Université
2015-2024
Université Paris-Est Créteil
2011-2024
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2014-2024
Institut d'écologie et des sciences de l'environnement de Paris
2015-2024
Swedish University of Agricultural Sciences
2020-2024
Centre National de la Recherche Scientifique
2013-2024
Institut de Recherche pour le Développement
2014-2024
Université Paris Cité
2017-2023
École Normale Supérieure
2022
Centre National pour la Recherche Scientifique et Technique (CNRST)
2021
Abstract It is estimated that in excess of 50% the soil carbon stock found subsoil (below 20–30 cm). Despite this very few studies have paid attention to subsoil. Although surface and subsurface horizons differ pedological, environmental physicochemical features, which are all likely affect mechanisms biological actors involved, models dynamics tend assume underlying processes identical horizons, but with lower gross fluxes subsurface. The aim study was test assumption by analysing factors...
Despite an exceptional number of bacterial cells and species in soils, diversity seems to have little effect on soil processes, such as respiration or nitrification, that can be affected by interactions between cells. The aim this study is understand how are distributed better the scaling cell-to-cell what measured a few milligrams, more, soil. Based analysis 744 images observed distributions thin sections taken at different depths, we found inter-cell distance was, average 12.46 µm these...
Biological soil thin-sections and a combination of image analysis geostatistical tools were used to conduct detailed investigation into the distribution bacteria in their relationship with pores. The presence spatial patterns was demonstrated at microscale, ranges autocorrelation 1 mm below. Bacterial density gradients found within bacterial patches topsoil samples also one subsoil sample. displayed mosaic high low values remaining samples. Anisotropy detected structure pores, but not...
Abstract Crop improvement by genetic modification remains controversial, one of the major issues being potential for unintended effects. Comparative safety assessment includes targeted analysis key nutrients and antinutritional factors, but broader scale-profiling or “omics” methods could increase chances detecting should consider extent natural variation not simply compare genetically modified (GM) lines parental controls. In this study, potato (Solanum tuberosum) proteome diversity has...
We characterised the spatial structure of soil microbial communities in an unimproved grazed upland grassland Scottish Borders. A range chemical parameters, cultivable microbes, protozoa, nematodes, phospholipid fatty acid (PLFA) profiles, community-level physiological profiles (CLPP), intra-radical arbuscular mycorrhizal community structure, and eubacterial, actinomycete, pseudomonad ammonia-oxidiser 16S rRNA gene assessed by denaturing gradient gel electrophoresis (DGGE) were quantified....
ABSTRACT Molecular analysis of grassland rhizosphere soil has demonstrated complex and diverse bacterial communities, with resultant difficulties in detecting links between plant communities. These studies have, however, analyzed “bulk” soil, rather than rhizoplane which interact most closely plants through utilization root exudates. The aim this study was to test the hypothesis that species a major driver for community composition on individual roots. DNA extracted from roots used determine...
Heterogeneity is a fundamental property of soil that often overlooked in microbial ecology. Although it generally accepted the heterogeneity underpins emergence and maintenance diversity, profound far-reaching consequences can have on many aspects ecology activity yet to be fully apprehended not been integrated into our understanding functioning. In this contribution we first discuss how environment, consequent uncertainty associated with acquiring resources, may affected metabolism,...
The characterization of the soil habitat is fundamental importance to an understanding processes associated with sustainable management such as environmental flows, bioavailability, and ecology. We describe a method for quantifying explicitly modeling heterogeneity using stochastic approach. overall aim develop model capable simultaneously reproducing spatial statistical properties both physical biological components architecture. A Markov chain Monte Carlo (MCMC) methodology developed that...