A5010342510- Aquatic Invertebrate Ecology and Behavior
- Fish Ecology and Management Studies
- Mollusks and Parasites Studies
- Environmental DNA in Biodiversity Studies
- Genetic diversity and population structure
- Parasite Biology and Host Interactions
- Genetic and phenotypic traits in livestock
- Microbial Community Ecology and Physiology
- SARS-CoV-2 detection and testing
- Coastal wetland ecosystem dynamics
- Wheat and Barley Genetics and Pathology
- COVID-19 Clinical Research Studies
- Genetic Mapping and Diversity in Plants and Animals
- Environmental Toxicology and Ecotoxicology
- Soil and Water Nutrient Dynamics
- Animal Ecology and Behavior Studies
- Global Maritime and Colonial Histories
- International Maritime Law Issues
- Myxozoan Parasites in Aquatic Species
- Evolution and Genetic Dynamics
- Marine Ecology and Invasive Species
- European and International Law Studies
- Marine Biology and Ecology Research
- Ecology and biodiversity studies
- Plant Pathogens and Fungal Diseases
University of Namur
2011-2023
Institute of Environmental Biology and Biotechnology
2012-2015
Namur Research Institute for Life Sciences
2010
The genus Corbicula is one of the most invasive groups molluscs. It includes both sexual and androgenetic lineages. present study re-assessed different morphotypes haplotypes West European in order to clarify their taxonomic identification phylogenetic relationships with American Asian clams. We studied several populations from river basins (Meuse, Seine, Rhine Rhône) through an "integrative taxonomy" approach. combined morphology, partial mitochondrial COI cyt b sequences eleven...
Abstract The clam genus Corbicula is an interesting model system to study the evolution of reproductive modes as it includes both sexual and asexual (androgenetic) lineages. While populations are restricted native Asian areas, androgenetic lineages widely distributed being also found in America Europe where they form a major aquatic invasive pest. We investigated genetic diversity through worldwide sampling. use mitochondrial nuclear (microsatellite) markers revealed extremely low with only...
The aim of this paper is to present new data and review the current distribution Corbicula spp. in France.Three morphotypes were recorded during study -"round form", "light R form" "saddle form".During April 2009, spp.were found several watercourses France, including three rivers (Canal de la Somme, Oise Vilaine) where taxa not previously reported.In addition, first report form S River Seine and, record Gard.Molluscs genus are considered be a well established alien species large rivers.
The rapid spread of the quagga mussel, Dreissena rostriformis, in Western Europe is particular concern since species known to have serious ecological and economic impacts, similar those well-established zebra polymorpha. This study aimed (1) provide an update on mussel distribution several Belgian inland waterways, (2) check if a shift dominance between occurring. Using density measurements artificial substrate samplers, we compared population dynamics for both at different time-points based...
African wildlife experienced a reduction in population size and geographical distribution over the last millennium, particularly since 19th century as result of human demographic expansion, overexploitation, habitat degradation cattle-borne diseases. In many areas, ungulate populations are now largely confined within network loosely connected protected areas. These metapopulations face gene flow restriction run risk genetic diversity erosion. this context, we assessed "genetic health" free...
The zebra mussel (Dreissena polymorpha) and the quagga rostriformis bugensis) are considered as most competitive invaders in freshwaters of Europe North America. Although shell characteristics exist to differentiate both species, phenotypic plasticity genus Dreissena does not always allow a clear identification. Therefore, need find an accurate identification method is essential. DNA barcoding has been proven be adequate procedure discriminate species. cytochrome c oxidase subunit 1...
Abstract Many large European rivers have undergone multiple pressures that strongly impaired ecosystem functioning at different spatial and temporal scales. Global warming other environmental changes favored the success of invasive species, deeply modifying structure aquatic communities in rivers. Some exogenous species could alter trophic interactions within assemblages by increasing predation risk for potential prey (top‐down effect) limiting dynamics others via resource availability...
The genus Mentha is taxonomically and phylogenetically challenging due to complex genomes, polyploidization an extensive historical nomenclature, potentially hiding cryptic taxa. A straightforward interpretation of phylogenetic relationships within the section further hindered by dominant but outdated concepts on historically identified hybrid spicata traditionally considered be origin, evidence for this weak. Here, we aim understand using large sample sizes revisit status identity M....
Abstract Invasive bivalves continue to spread and negatively impact freshwater ecosystems worldwide. As different metrics for body size biomass are frequently used within the literature standardise bivalve‐related ecological impacts (e.g. respiration filtration rates), lack of broadly applicable conversion equations currently hinders reliable comparison across bivalve populations. To facilitate improved comparative assessment among studies originating from disparate geographical locations,...
Wastewater-based surveillance was conducted by the national public health authority to monitor SARS-CoV-2 circulation in Belgian population. Over 5 million inhabitants representing 45% of population were monitored throughout 42 wastewater treatment plants for 15 months comprising three major virus waves. During entire period, a high correlation observed between daily new COVID-19 cases and concentration corrected rain impact covered size. Three alerting indicators included weekly...
The aim of this paper is to present the first data on colonization Meuse River by quagga mussel, Dreissena rostriformis bugensis (Andrusov, 1897). During our study, mussel was found at several locations in Dutch and Belgian section. Both zebra mussels (Dreissena polymorpha Pallas, 1771) were sampled species identity confirmed morphological analysis. Plausible dispersion patterns routes D.r. are suggested.
“Occasional” sexuality occurs when a species combines clonal reproduction and genetic mixing. This strategy is predicted to combine the advantages of both asexuality sexuality, but its actual consequences on diversity longevity are poorly understood. Androgenesis, reproductive mode in which offspring inherits entire nuclear genome from father, often reported as strictly mode. Androgenesis predominant within hermaphroditic, invasive lineages mollusk genus Corbicula. Their ability reproduce...
Rapid demographic growth in tropical islands can exacerbate conflicts and pressures on natural resources, as illustrated by the French island of Mayotte where resources are limited. In only 10 years, uncontrolled migration population (+80% between 2002 2021) have led to a pronounced 3600% increase deforestation rates (2010-2014) an intensification agricultural practices, escalating over limited land, water, biodiversity resources. Implementing original multi-proxy approach sediment cores,...
After its first observation in the Hollandsch Diep 2006, quagga mussel expanded an upstream direction within rivers, Rhine and Meuse.The species was found throughout Dutch Belgian sections of Meuse River between 2008 2011, but never reported from France, i.e., border.Herein, this document reports finding at two locations French section river.The lengths mussels collected study -including initial discovery a 23.0 mm long individual October 2011 -suggest that their original introduction into...
The quagga mussel ( Dreissena rostriformis bugensis ) was first recorded in France the Moselle River 2011. objective of this study to obtain a better understanding species’ demographic and genetic structure ten years after its observation. To do this, we examined (i) relative abundance/biomass (compared with zebra polymorpha ), (ii) population structure, (iii) along navigable stretch during four sampling events conducted between May 2021 2022. results indicate that, while mussels are still...