A5039456949- Genetic diversity and population structure
- Genomics and Phylogenetic Studies
- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Plant Diversity and Evolution
- African Botany and Ecology Studies
- Genetic and phenotypic traits in livestock
- Forest ecology and management
- Coconut Research and Applications
- Archaeology and ancient environmental studies
- Plant Taxonomy and Phylogenetics
- Plant biochemistry and biosynthesis
- Amazonian Archaeology and Ethnohistory
- Genetic Mapping and Diversity in Plants and Animals
- Lepidoptera: Biology and Taxonomy
- Topic Modeling
- Forensic and Genetic Research
- Plant and Fungal Species Descriptions
- Genetic and Environmental Crop Studies
- Lipid metabolism and biosynthesis
- Indigenous Health and Education
- Embedded Systems Design Techniques
- Engineering and Test Systems
- Oil Palm Production and Sustainability
- Historical and Cultural Archaeology Studies
UMR Botanique et Modélisation de l’Architecture des Plantes et des végétations
2018-2024
Institut de Recherche pour le Développement
2018-2022
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2020-2022
Institut Agro Montpellier
2018-2022
Centre de Coopération Internationale en Recherche Agronomique pour le Développement
2018-2022
Université de Montpellier
2018-2022
Centre National de la Recherche Scientifique
2018-2022
Diversité, adaptation et développement des plantes
2018-2022
Ecologie des Forêts de Guyane
2013-2020
Planta
2020
Abstract Aim Mediterranean refugial areas are generally underrepresented in large‐scale genetic surveys of forest trees. In the case silver fir ( Abies alba Mill.), this has led to divergent hypotheses about exact location glacial refugia and trajectory recolonization routes. Based on comprehensive sampling Apennine populations, we aimed reconcile discrepancies number for Apennines test alternative demographic scenarios developed from palaeobotanical data. Location Basin; surrounding areas....
Unveiling the genetic basis of local adaptation to environmental variation is a major goal in molecular ecology. In rugged landscapes characterized by mosaics, living populations and communities can experience steep ecological gradients over very short geographical distances. lowland tropical forests, interspecific divergence edaphic specialization (for seasonally flooded bottomlands dry terra firme soils) has been proven studies on adaptive traits. Some species are nevertheless capable...
Background Local adaptation is a key driver of phenotypic and genetic divergence at loci responsible for adaptive traits variations in forest tree populations. Its experimental assessment requires rigorous sampling strategies such as those involving population pairs replicated across broad spatial scales. Methods A hierarchical Bayesian model selection (HBM) that explicitly considers both the replication environmental contrast structure among study sites introduced. power was assessed...
Abstract Plant populations can undergo very localized adaptation, allowing widely distributed to adapt divergent habitats in spite of recurrent gene flow. Neotropical trees—whose large and undisturbed often span a variety environmental conditions local habitats—are particularly good models study this process. Here, we explore patterns adaptive divergence from (i.e., regional) small microgeographic) spatial scales the hyperdominant Amazonian tree Eperua falcata Aubl. (Fabaceae) under...
In habitat mosaics, plant populations face environmental heterogeneity over short geographical distances. Such steep gradients can induce ecological divergence. Lowland rainforests of the Guiana Shield are characterized by sharp, short-distance variations related to topography and soil characteristics (from waterlogged bottomlands on hydromorphic soils well-drained terra firme ferralitic soils). Continuous distributed along such an interesting system study intrapopulation divergence at...
In wild plant populations, genetic divergence within continuous stands is common, sometimes at very short geographical scales. While restrictions to gene flow combined with local inbreeding and drift may cause neutral differentiation among subpopulations, microgeographical variations in environmental conditions can drive adaptive through natural selection some targeted loci. Such phenomena have recurrently been observed populations occurring across sharp boundaries, but the interplay between...
The Amazonian rainforest is predicted to suffer from ongoing environmental changes. Despite the need evaluate impact of such changes on tree genetic diversity, we almost entirely lack genomic resources. In this study, analysed transcriptome four tropical species (Carapa guianensis, Eperua falcata, Symphonia globulifera and Virola michelii) with contrasting ecological features, belonging widespread botanical families (respectively Meliaceae, Fabaceae, Clusiaceae Myristicaceae). We sequenced...
Abstract Trees are characterized by the large number of seeds they produce. Although most those will never germinate, plenty will. Of which many die young, and eventually, only a minute fraction grow to adult stage reproduce. Is this just random process? Do variations in germination survival at very young stages rely on adaptations microgeographic heterogeneity? do these processes matter all determining tree species distribution abundance? We have studied questions with Neotropical Symphonia...
The tropical rainforest of Amazonia is one the most species-rich ecosystems on earth, with an estimated 16000 tree species. Due to this high diversity, botanical identification trees in Amazon difficult, even genus, often requiring assistance parataxonomists or taxonomic specialists. Advances informatics tools offer a promising opportunity develop user-friendly electronic keys improve Amazonian identification. Here, we introduce original multi-access key for 389 genera occurring French...
Here, we introduce new whole-genome shotgun sequencing and annotation data describing the autosomal vs. Z-heterosomal localization of nuclear genomic scaffolds moth species Ostrinia scapulalis. Four WGS libraries (corresponding to 2 males females) were sequenced with an Illumina HiSeq2500 technology, so-called 'AD-ratio' method was applied distinguish between based on depth comparisons homogametic (male) heterogametic (female) libraries. A total 25,760 341.69 Mb) labelled as 1273 (15.29...
In the past two decades, repeated discoveries of numerous geometric earthworks in interfluvial regions Amazonia have shed new light onto territorial extent and long-term impact pre-Columbian populations on contemporary landscapes. particular, recent development LiDAR imagery has accelerated discovery densely forested hinterlands throughout Amazon basin Guiana Shield. This study aimed to evaluate landscape-scale spatial variations disturbances at three ring ditch sites French hinterland. We...
Abstract Plant populations can undergo very localized adaptation, allowing widely distributed to adapt divergent habitats in spite of recurrent gene flow. Neotropical trees - whose large and undisturbed often span a variety environmental conditions local are particularly good models study this process. Here, we carried out genome scan for selection through whole-genome sequencing pools populations, sampled according replicated sampling design, evaluate microgeographic adaptation the...
Abstract Microevolution in Amazonia has been far less documented than temperate regions and still constitutes a major knowledge gap. Moreover, the actual influence of pre-Columbian societies through Holocene remains unclear, although it could provide interesting insights on relationship between natural human-mediated evolutionary processes driving microevolution. Because they are widespread traditionally managed since times, Neotropical palms choice models to investigate drivers...