About
25
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Introduction
My main research interests focus on genetic connectivity, which I study using population and landscape genetics and genomics. I am particurlarly interested in applying such approaches to help population conservation and management.
Publications
Publications (25)
In the context of the current extinction crisis, identifying new conservation units is pivotal to the development of sound conservation measures, especially in highly threatened taxa such as felids. Corsican wildcats are known by Corsican people since a very long time but have been little studied. Meaningful information about their phylogenetic pos...
Cryptic species diversity is known to be common in bats but remains challenging to study in these mammals, whose natural history traits render their sampling and monitoring challenging. For these animals, indirect genetic approaches provide a powerful tool to gain insight into the evolutionary history and ecology of cryptic bat species. The speciat...
This comprehensive species-specific chapter covers all aspects of the mammalian biology, including paleontology, physiology, genetics, reproduction and development, ecology, habitat, diet, mortality, and behavior. The economic significance and management of mammals and future challenges for research and conservation are addressed as well. The chapt...
Understanding landscape impacts on gene flow is necessary to plan comprehensive management and conservation strategies of both the species of interest and its habitat. Nevertheless, only a few studies have focused on the landscape genetic connectivity of the European wildcat, an umbrella species whose conservation allows the preservation of numerou...
Human-mediated species dispersal across the Mediterranean stretches back at least 10,000 years and has left an indelible stamp on present-day biodiversity. Believed to be a descendant of the Asiatic mouflon (Ovis gmelini gmelinii), the Corsican mouflon (O. g. musimon) was translocated during the Neolithic as ancestral livestock by humans migrating...
Several individual, environmental and parasitic factors can influence the impacts of parasites on host’s fitness and on host’s ability to transmit these parasites to new hosts. Identifying these factors and the individuals who play a greater role in parasite transmission is of main concern for the development of parasite control strategies. In the...
Gastro-intestinal nematodes, especially Haemonchus contortus, are widespread pathogenic parasites of small ruminants. Studying their spatial genetic structure is as important as studying host genetic structure to fully understand host-parasite interactions and transmission patterns. For parasites having a simple life cycle (e.g., monoxenous parasit...
Background:Parasite infections can have substantial impacts on population dynamics and are accordingly a key challenge for wild population management. Here we studied genetic mechanisms driving parasite resistance in a large herbivore through a comprehensive approach combining measurements of neutral (16 microsatellites) and adaptive (MHC DRB1 exon...
Background
The distinction between lineages of neotropical bats from the Pteronotus parnellii species complex has been previously made according to mitochondrial DNA, and especially morphology and acoustics, in order to separate them into two species. In these studies, either sample sizes were too low when genetic and acoustic or morphological data...
En utilisant comme cas d’étude le mouflon Méditerranéen (Ovis gmelini musimon × Ovis sp.), les objectifs de cette thèse étaient de mieux comprendre comment sont liés diversité génétique, comportement des individus, flux de gènes et dynamique parasitaire. Au travers d’approches de génétique des populations et de génétique du paysage, nous avons pu m...
Context
In natural populations, gene flow often represents a key factor in determining and maintaining genetic diversity. In a worldwide context of habitat fragmentation, assessing the relative contribution of landscape features to gene flow thus appears crucial for sustainable management of species.
Objective
We addressed this issue in Mediterran...
Fine-scale
spatial genetic structure of populations results from social and spatial
behaviors
of individuals such as sex-biased
dispersal and philopatry. However, the
demographic history of a given population can override such socio-spatial
factors in
shaping genetic variability when bottlenecks or founder events occurred in the population.
Here, w...
Projects
Projects (3)
By using population and landscape genetics and genomics, we aim at better understand the ecology of wildcat species and provide useful information for a better conservation of these endangered taxa.
Project goals are to apply a comparative approach on several vents species with contrasting life-history traits in order to 1) describe the distribution of genetic diversity, to infer past and contemporary connectivity patterns, and, 2) examine possible links between genetic connectivity and species life cycle (reproduction and larval life), geographic barriers, or ecological gradients (depth, chemical signature of vent fluids).
