Trombinoscope - UMR Silva

BONAL Damien

Research Director-INRAE

-Functional diversity in tropical and temperate tree species (photosynthesis,13C discrimination, water-use efficiency, respiration, stomatal conductance) -Influence of environmental conditions (soil drought, flooding) on tree species growth and leaf gas exchange -Tree species adaptation to environmental constraints in mixed forest -Influence of environmental conditions on ecosystem fluxes (eddy covariance methodology)

damien.bonal@inrae.fr

COUSTEUR Nathan

PhD Student - Université de Lorraine

Thesis topic: Spatiotemporal dynamic of tree methane fluxes in upland forest My research project focuses on characterizing the internal methane (CH4) dynamics within tree trunks. The objective is to understand the mechanisms of transport, in situ production, and consumption within the stem, in order to determine how these internal processes dictate net methane fluxes in temperate forests.

nathan.cousteur@univ-lorraine.fr

CUNTZ Matthias

Research Director-INRAE

Matthias received his PhD in physics ([Heidelberg](https://www.iup.uni-heidelberg.de/)) and has subsequently been working in atmospheric physics ([Paris](https://www.lsce.ipsl.fr/)), biology ([Canberra](https://biology.anu.edu.au/)), biogeochemical cycles ([Jena](https://www.bgc-jena.mpg.de/)), and hydrology ([Leipzig](https://www.ufz.de/index.php?en=34211)). He is PI of the [ICOS](https://www.icos-cp.eu) class 1 ecosystem site [FR-Hes](https://meta.icos-cp.eu/resources/stations/ES_FR-Hes) and is key developer of the ecosystem model [MuSICA](https://ecofun.ispa.bordeaux.inrae.fr/index.php/musica-model/) as well as of the global land surface model [CABLE-POP](https://cable.readthedocs.io/en/latest/). This allows him to combine measurements and modelling to understand and describe mathematically the processes behind the exchanges between the biosphere and the atmosphere, scaling from single leaves over fluxes measured and modelled at ecosystems up to the continental and global scale.

matthias.cuntz@inrae.fr

DALLE Erwin

Technician-INRAE

As the lead technical manager, I am responsible for the "tree" component of the experimental instrumented agroforestry workshop at La Bouzule (54). This workshop is part of the national AnaEE France network. Since 2020, recurring funding for the workshop has been provided by INRAE's EcoDIV department and INRAE's Research Infrastructure Delegation (DISC). Its aim is to understand the added value of interactions between woody species and field crops (mixtures of nitrogen-fixing trees/non-fixing trees, nitrogen-fixing trees/non-fixing crops, and non-fixing trees/nitrogen-fixing crops), in order to reduce inputs through the complementarity of the different species.

erwin.dalle@inrae.fr

DESALME Dorine

Assistant Professor Université de Lorraine

- Allocation and partioning of C-containing compounds among physiological processes (metabolism, growth, storage, defense) in trees - Effect of environmental factors (intra-annual variability, phenology, drought, urban environment) - Implication of root exsudates on the methane sinks strength of forest soils - Isotopic tool (13C): 13CO2-labelling experiments, natural abundance

dorine.desalme@univ-lorraine.fr

DESTOUET Gabriel

Post-doc - INRAE

My research focuses on developing new computational methods and analytical tools to process flux tower data. By advancing our understanding of turbulence’s role in the transport of gas and energy, I aim to improve the accuracy of estimated fluxes and their relationship to true ecosystem fluxes. This research ultimately aims at improving ecosystem modeling and monitoring.

gabriel.destouet@inrae.fr

FALLER Sylvain

PhD student - INRAE

Thesis topic: European forest responses to drought Modelling forest response to heat waves by comparing different stomatal conductance models from the literature. Another task will be to study different hydraulic architectures for use in the ISBA surface model (Météo-France) in order to better represent the soil-plant coupling.

sylvain.faller@inrae.fr

LU Zihan

Post-doc - INRAE

I add soil-plant-atmosphere hydraulic module into a land-surface model (CABLE-POP), test its performance on different fluxnet sites in the world, and utilise the new model to explore the soil type, climate and plant traits effect on the plant response to soil water shortage. Thesis topic: Effects of climate change and elevated CO2 concentration on Xishuangbanna forest plot and typical tropical forests in Southeast Asia

zihan.lu@inrae.fr

MAILLARD Pascale

Research Scientist-INRAE

- Forest ecophysiology and responses to environmental stresses - Carbon and nitrogen functioning of trees at the juvenile and adult stage - Mechanisms for storing and remobilizing reserves - Methodological approaches: Classical biochemistry and stable isotopy (13C, 15N)

pascale.maillard@inrae.fr

MARRON Nicolas

Research Scientist-INRAE

I am interested in the positive (facilitation, complementarity) and negative (competition) interactions affecting the functioning of trees integrated into agricultural plots (alley cropping agroforestry) compared to forest monocultures. Tree functioning is studied through all the factors contributing to its biomass production: primary and secondary aboveground and belowground growth, architecture, phenology, resource use efficiency, etc. These determinants of productivity are estimated at the organ level (leaves, branches, wood, roots), at the tree level, and then extrapolated to the stand level. Another aspect of my work concerns the study of the services provided by trees in agricultural environments: carbon storage, microclimate buffering, increased biodiversity, improved soil water management, etc.

nicolas.marron@inrae.fr

NDIAYE Abdoulaye

PhD-Agroparistech

Thesis topic: Effects of species mixtures including a nitrogen-fixing species on biomass production and above- and belowground allocation in temperate forest and agroforestry systems. My doctoral project aims to investigate the functioning and performance of mixed forest and agroforestry plantations integrating nitrogen-fixing species in temperate climates. Building on the long-term Agro-TCR experimental site in La Bouzule (2014–2022), it examines the temporal dynamics of interspecific interactions. The research is structured around two complementary components: (i) the assessment of aboveground biomass and wood production across multiple scales, and (ii) the analysis of belowground biomass allocation among root categories and associated nitrogen stocks. The overall objective is to improve understanding of allocation strategies and complementarity mechanisms in order to optimize the design of productive and sustainable mixed systems.

abdoulaye.ndiaye1@agroparistech.fr

NUYTTENS Audrey

Engineer Université de Lorraine

My main activity consists of developing and implementing biochemical and molecular biology techniques. In particular, I develop LC-MS (liquid chromatography coupled with mass spectrometry) analysis methods for metabolites from plant matrices. I am the technical advisor for an LC-MS device on the ASIA (Functional and Structural Approaches to Cellular Interactions) platform. In addition, I am one of the health and safety prevention assistants for the Silva Unit.

audrey.berthe@univ-lorraine.fr

OM Hari

PhD- INRAE

Thesis topic: Measuring photosynthesis and respiration in high time-resolution with eddy covariance and wavelet analysis I study ecosystem photosynthesis and respiration using the eddy covariance method and wavelet analysis. My work focuses on high-frequency data processing and improving flux partitioning to better estimate gross primary productivity (GPP) and ecosystem respiration (RESP). The goal is to provide high time-resolution carbon flux measurements and improve our understanding of biosphere–atmosphere interactions under climate change.

hari.om@inrae.fr

PLAIN Caroline

RESEARCH SCIENTIST - Université de Lorraine

Animator

My research focuses on improving our understanding of methane fluxes in forest ecosystems. Specifically, I am investigating the spatio-temporal dynamics of methane fluxes at ground and tree levels, as well as the abiotic and biotic factors that govern their exchange with the atmosphere.

caroline.plain@univ-lorraine.fr

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