Trombinoscope - UMR Silva

ALBERT Sébastien

Lecturer - AgroParisTech

My research aims to understand the consequences of plant – vertebrate interactions (seed dispersal & herbivory) on the dynamics of forest ecosystems. It is based on observational and experimental studies conducted in the field at different spatial and temporal scales and is carried out, as far as possible, in collaboration with conservation biology practitioners. Area of expertise: -Seed dispersal -Plant / ungulate interactions -Forest regeneration -Conservation biology -Historical ecology

sebastien.albert@agroparistech.fr

BADEAU Vincent

Research Scientist-INRAE

- Management of environmental databases and geomatic (vegetation, soils, dendrochronology & tree growth, climate) ; shared-use resources for our research unit - Impacts of global changes on the geographical distribution of forest species - Mapping present and future environmental constraints (especially water stress) - Trees adaptation and vulnerability to climatic factors

vincent.badeau@inrae.fr

BARRATAUD Fabienne

Research Scientist-INRAE

I work in social geography, at the regional level, on issues related to ecologization (mainly agriculture and forestry). Through research conducted alongside committed partners (local authorities, institutional structures, associative and citizen networks), I examine the modalities of joint action and governance, the different forms of legitimacy and knowledge, and the relationships between public policy and collective action.

fabienne.barrataud@inrae.fr

BRESSON Célia

Engineer-AgroParistech

My activities are mainly divided between research and development and teaching. My expertise allows me, among other things, to implement various geomatics solutions to meet the needs of UMR Silva members, to calculate large volumes of spatial data, to automate procedures using computer programming in various languages, and also to enhance data through its dissemination, particularly via the web portals that I manage. On the teaching side, I design courses and tutorials and supervise projects for a varied audience (AgroParisTech engineering students, master's students, specialized master's students, and professional bachelor's students).

celia.bresson@agroparistech.fr

CHAUCHARD Sandrine

Assistant Professor Université de Lorraine

I study the persistence of past land uses, the effects of disturbances, and the effects of management practices, comparing them with other anthropogenic environmental changes (particularly climate change) on the dynamics, structure, and biodiversity of forest ecosystems. My research focuses specifically on transitional forest landscapes, from open habitats to recent forest stages, including fallow lands, across different climatic zones (Mediterranean, mountainous, and temperate lowlands). My approach adopts a long-term perspective (the last 200 years), operates at multiple spatial scales (from plants to ecosystems, landscapes, and territories), and integrates historical ecology methods.

sandrine.chauchard@univ-lorraine.fr

CONSTANT Thiéry

Research Scientist-INRAE

- Effect of the mechanical environment on the growth and wood quality of forest trees (Gravitropism, Thigmomorphogenesis) - Development of methods for processing 3D data, in particular from terrestrial Lidar, to characterize the quality of standing trees or roundwood.

thiery.constant@inrae.fr

DELPOUVE Noémie

Research Scientist - INRAE

My research focuses on the dynamics of subalpine forests, and more specifically on the upper forest line, since 1850. I use GIS to compare historical and recent maps to reconstruct the forest dynamics. I also aim to analyse the climatic and socio-economic drivers of subalpine forest dynamics and assess the consequences of forest expansion for alpine and subalpine ecosystems. As a postdoc, I focus particularly on linking subalpine forest dynamics to greening dynamics in the French Alps and Pyrenees.

noemie.delpouve@inrae.fr

DUPOUEY Jean-Luc

Research Director-INRAE

I study the effects of global environmental changes on forest ecosystems. My work specifically examines the influence of climate change, nitrogen deposition, and historical land-use changes on ecosystem health, fertility, and biodiversity. I leverage a diverse toolkit including dendrochronology, isotopic analysis, soil science, and community ecology, supported by environmental databases and ecoinformatics. Area of expertise: -Forest ecology -Historical ecology -Global change -Understory vegetation -Dendrochronology

jean-luc.dupouey@inrae.fr

GEGOUT Jean-Claude

PROFESSOR-AGROPARISTECH

Deputy Director of UMR Silva - HDR

My research focuses on analyzing the impact of environmental change on plant species and forest ecosystems across large spatial (national) and temporal (century-scale) dimensions. I investigate how these changes affect plant growth, decline and distribution, as well as the overall dynamics of forest ecosystems. To address these questions, I model species’ ecological niches in relation to climate variables and soil water and nutrient availability. I seek patterns of species decline and colonization that drive species migration and long-term succession processes in plant communities. These evolutions are analysed in light of recent changes in climate and soil fertility, and interpreted in terms of species and communities adaptation or vulnerability to novel environmental conditions. From an applied perspective, I assess the bioindicator value of plant species in relation to soil properties and the conservation value of plant communities using classification approaches based on the European Habitats framework. The tools developed are used alongside long-term floristic surveys conducted by the French National Forest Inventory to support the spatial assessment and monitoring of eutrophication, acidification, and the conservation status of forest habitats.

jean-claude.gegout@agroparistech.fr

HARO Louis

Engineer - INRAE

I work on modeling the water properties of forest soils (field capacity, wilting point, and plant-available water) based on the physico-chemical properties of the soil (bulk density, particle size distribution, organic carbon content, porosity, etc.). I am also looking to estimate the organic carbon content of soils—which is useful for modeling soil water properties—based on easily obtainable properties such as soil color. My activities include data collection (laboratory measurements, sampling of forest soils in the field), data processing and statistical analysis, interpretation of results, and writing scientific reports.

louis.haro@inrae.fr

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