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As part of its seminar, Centre Arcadie will be pleased to welcome Igor Krtolica for a session devoted to his book Romain Gary. De l'humanisme à l'écologie, Gallimard, 2025.Maître de conférences en philosophie à l'Université de Picardie Jules-Verne, junior member of the Institut universitaire de France, Igor Krtolica is the author (in addition to the work to be discussed) of Gilles Deleuze (PUF, coll. "Que sais-je? ", 2015), of Gilles Deleuze et Félix Guattari : Une philosophie des devenirs-révolutionnaires(Éditions Amsterdam, 2024) and of a commentary on an extract from Romain Gary's Les Racines du ciel entitled Antifascism, humanism and ecology (PUF, coll. "Classiques de l'écologie", 2025).After a presentation of the work, Igor Krtolica will be interviewed by Jean-Baptiste Vuillerod and Thibault De Meyer.Free admission. All welcome.Book presentation 1956: the Prix Goncourt is awarded to Racines du ciel, a novel whose hero, Morel, fights against the extermination of elephants in an Africa struggling for independence. Romain Gary described it as the first ecological novel. Ecology enabled him to resolve the unbearable political contradiction in which the post-war West finds itself: the impossibility of believing in man, the impossibility of giving up believing in man. How can we continue to give meaning to the idea of civilization? If we are to maintain the humanist ideal, we need to wage a battle in which man is no longer at the center. Such is the paradox explored here. This literary and philosophical essay reveals the complexity of Romain Gary's thought, his constant irony and humor, his contradictions, his rejection of dogmatism. And its modernity: ahead of his time, the novelist anticipated the controversies driving contemporary ecological thinking, where the human being is only a part of nature, but where nature itself becomes inseparable from history, society and politics. This previously unpublished synthesis of Romain Gary's work is an original analysis of the tension between humanist commitment and ecological cause.. Toutes les activités du Centre Arcadie

As part of its seminar, Centre Arcadie will be pleased to welcome Jeanne Etelain for a session devoted to her book Zones. Terre, sexes et science-fiction, Flammarion, 2025.Jeanne Etelain, PhD from New York University and Université Paris-Nanterre, teaches philosophy and contemporary theory at the École supérieure des Beaux-Arts de Montpellier.After a presentation of the book, Igor Krtolica will be interviewed by Jean-Baptiste Vuillerod and Thibault De Meyer.After a presentation of the book, Jeanne Etelain will be interviewed by Ludovic Dubois, Nathalie Grandjean and Sébastien Laoureux.Free admission. Welcome to all.Book presentation Zone: this ubiquitous term nevertheless remains elusive. In a stunning conceptual investigation at the crossroads of geography, psychoanalysis and science fiction, Jeanne Etelain explores how "zone" has become central to understanding space, in the contemporary context of a crisis in the planet's conditions of habitability. The zone thus emerges as a spatial modality that defies habitual categories, confronting us with space's power to act, whether it's nature, the Earth or the body. All Centre Arcadie activities

Conference organized by Centre Arcadie and the Department of Philosophy as part of the "Philosophie du cinéma" course and the "Cultures et pensées cinématographiques" Specialization Master's degree.Dork Zabunyan is Professor of Film Studies at Université Paris 8 Vincennes-Saint-Denis. His publications include Les Cinémas de Gilles Deleuze (Bayard, 2011), L'Insistance des luttes - Images, soulèvements, contre-révolutions (De l'incidence éditeur, 2016), Foucault va au cinéma (Bayard, 2011) with Patrice Maniglier, Jacques Rancière et le monde des images(Mimesis, 2023).In 2020 he published Fictions of Trump. Puissances des images et exercices du pouvoir(Le point du jour). In this conference, the aim will be to take up this work in the context of Trump's second term.Presentation of the workDonald Trump's body is almost everywhere, outside us, on our screens, caught up in information channels that disseminate still and moving images of him. He is also present within us, more or less floating, in the minds of his detractors and supporters alike. The 45th President of the United States of America is not, however, the book's only subject. Based on his countless audiovisual representations, both before and after his election, the aim here is to explore the function of images in the exercise of power today, the stories they tell and the discourses they condition. Two questions run through this essay: what is this strange love of power, conveyed by images of an authoritarian leader, to which individuals who have no interest in voting for him adhere? What filmic counter-fires, real or imagined, are likely to mobilize the powers of images to evade this power, or even to thwart it? All Centre Arcadie activities

The University of Namur is soon to offer two inaugural lessons for two Francqui Chairs, one in the Faculty of Science and the other in the Faculty of Law. Open to all, the inaugural lectures will be followed by a local drink. These events are free, upon registration.

It's official: the University of Namur joins the Réseau d'Échanges et de Liaisons entre Institutions d'Enseignement Supérieur Francophones (RELIEF). It thus becomes the fourth partner in this network, alongside the Université du Québec à Trois-Rivières (UQTR), the Université Savoie Mont Blanc and the Haute École Spécialisée de Suisse Occidentale (HES-SO).

JuryProf. Eli THORÉ (UNamur), PresidentProf. Patrick KESTEMONT (UNamur), SecretaryProf. Ranjàna RANDRIANARIVO (Université d'Antananarivo)Dr. Valérie CORNET (UNamur)Dr. Omayma MISSAWI (UNamur)Prof. Catherine MOUNEYRAC (Université Catholique de l'Ouest)Prof. Gauthier EPPE (ULiège)SummaryThe widespread production and use of plastics have led to their continuous release into the environment. Microplastics (MPs) are now ubiquitous in aquatic ecosystems, where their bioavailability to organisms and potential entry into the food web raise serious environmental and public health concerns. Substantial progress has been made in understanding MP toxicity, and their hazardous potential is now widely acknowledged. However, MP toxicity studies remain complex, as multiple particle characteristics, such as size, shape, polymer type, and sorbed contaminants might influence both bioavailabilityTo bridge this gap, the present thesis adopted a dual, complementary approach: (i) characterizing the environmental occurrence and bioavailability of MPs, and (ii) assessing the ecological relevance of using environmentally derived MPs in in vivo toxicity experiments.Overall, this thesis provides insights into the reproductive and transgenerational effects of environmentally relevant MPs while underscoring the importance of considering particle-pollutant interactions. By combining in situ field data with in vivo laboratory experiments, it demonstrates that the use of environmentally derived MPs represents a more realistic and ecologically meaningful approach to hazard characterization. Further studies should be carried out in this same perspective to generate robust, exploitable data and contribute to establishing a comprehensive MP risk characterization.

South America is a subcontinent rich in natural and cultural resources. Between biodiversity preservation and development cooperation, UNamur maintains valuable partnerships to address the challenges of biodiversity loss and understand current socio-economic transformations. Immersion in Ecuador and Peru. 

JuryProf. Nicolas DENDONCKER (UNamur), PresidentProf. Sabine HENRY (UNamur), SecretaryDr. Sébastien DUJARDIN (UNamur)Prof. Pierre OZER (ULiège)Prof. Emmanuel TWARABAMENYE (University of Rwanda)Prof. Caroline MICHELLIER (MRAC and UCLouvain)AbstractThis research investigates community vulnerability to landslides and floods in Northwestern Rwanda, hazards that frequently interact to produce compound disasters. The research focused on understanding the institutional, social, and structural factors that shape vulnerability and adaptive capacity in this disaster-prone region. Using a mixed-methods approach at local-scale, including institutional analysis, household surveys (n = 904), and field observations, the research highlights how vulnerability is shaped by socio-economic conditions, weak institutional coordination, and limited adaptive capacity. A Contextualized Vulnerability Index (CoVI) was developed to map vulnerability patterns, revealing particularly high vulnerability in landslide-prone and dual-hazard zones. The analysis of adaptive capacity showed that while awareness of hazards is high due to lived experiences, financial constraints, and limited technical knowledge hinder communities' ability to adapt effectively. The study contributes to the literature on social vulnerability and disaster risk reduction by emphasizing the importance of locally grounded, evidence-based strategies to strengthen community resilience in hazard-prone regions.

Abstract Since its emergence in 1996, the Asian H5 Goose/Guangdong (Gs/Gd) lineage has circulated widely in poultry in southern China, spilling over to wild birds by 2002. Wild bird infections facilitated global dissemination via migratory waterfowl and repeated spillback into poultry, challenging the view that HPAI primarily arises from LPAI mutation. Subclade 2.3.4.4b emerged in Asia in 2013, reached Europe in 2016, caused recurrent epizootics, diversified into multiple genotypes, became dominant in wild birds, and shows zoonotic potential.This thesis investigates critical knowledge gaps regarding H5Nx subclade 2.3.4.4b in poultry: (1) early within-flock spread after punctual introduction in chickens, particularly during the first European epizootics; (2) influence of pre-existing immunity on silent circulation; (3) limitations in diagnostic throughput during epizootic peaks; (4) potential of environmental surveillance, including air and dust sampling; and (5) impact on egg contamination and the reproductive tract, relevant for food safety and zoonotic risk.Four main objectives were addressed: (1) development of an experimental model simulating punctual introductions and spread, comparing 2017 and 2020 strains and assessing pre-existing immunity; (2) enhancement of diagnostic capacity via alternative sampling, semi-automated RNA extraction, and high-throughput processing; (3) evaluation of air and dust sampling for virus monitoring under experimental and field conditions; and (4) assessment of egg contamination risk. Alternative sampling and environmental monitoring were also applied to Newcastle disease virus as a comparative notifiable pathogen. Jury Prof. Catherine LINARD (UNamur), ChairProf. Benoît MUYLKENS (UNamur), SecretaryDr. Damien COUPEAU (UNamur)Dr. Jean-Luc GUÉRIN (INRAE & ENVT)Dr. Cyril BARBEZANGE (ECDC)Dr. Steven VAN BORM (Sciensano)Dr. Mieke STEENSELS (Sciensano)Dr. Bénédicte LAMBRECHT (Sciensano)

At UNamur, research is not confined to laboratories. From physics to political science, robotics, biodiversity, law, AI, and health, researchers collaborate daily with numerous stakeholders in society. The goal? To transform ideas into concrete solutions to address current challenges. 

JuryProf. Nicolas DENDONCKER (UNamur), ChairProf. Sabine HENRY (UNamur), SecretaryProf. Frédéric SILVESTRE (UNamur)Dr. Sébastien DUJARDIN (UNamur)Prof. Kara PELLOWE (Stockholm University)Prof. Romain GLELE KAKAI (University of Abomey Calavi)Prof. Patrick KESTEMONT (UNamur)Prof. Eli THORE (UNamur)AbstractMangroves play an important role in environmental conservation and livelihood provision yet remain one of the most threatened ecosystems on earth. This doctoral study assesses pathways to enhance coastal sustainability in the Anthropocene, by promoting the sustainable use of mangroves and strengthening their social-ecological resilience through an interdisciplinary approach. The thesis is structured into four specific objectives: assessing the role of traditional beliefs and local deities in promoting the sustainable use of mangroves, analyzing the synergies between legal frameworks and traditional beliefs in enhancing the social-ecological resilience of mangroves, developing a novel interdisciplinary framework to evaluate the social-ecological resilience of mangroves, and operationalizing the proposed framework in Benin's mangroves, West Africa.  We collected field data using ethnobiological surveys, drone image analysis and document review, in-depth interviews, focus group discussions, plant and fish inventories across three coastal communities in Benin. The study draws insights from the seven principles of resilience to analyze mangrove sustainability. The interdisciplinary methodology of this study links plant biology, fisheries sciences, and human geography to analyze mangroves as complex social-ecological systems. Findings of the thesis show that traditional beliefs and local deities play a significant role in regulating the use of mangrove resources, while the overlapping of formal and informal institutions offer opportunities to enhance their social-ecological resilience. The novel proposed framework called Mangrove Social Ecological Resilience Appraisal (MaSERA) outlines variables and indicators tailored to mangroves to assess their social-ecological resilience. Its application in Benin highlights its potential in identifying factors that enable or erode mangrove resilience, for informed decision making. The study argues that promoting the sustainable use of mangroves and enhancing their social-ecological resilience represent dual imperatives for achieving coastal sustainability in the Anthropocene. It contributes to the growing body of knowledge on mangrove conservation and provides actionable insights for integrated coastal zone management.

At UNamur, parchments are much more than objects of curiosity: they are at the heart of an interdisciplinary scientific adventure. Starting with historical sciences and conservation, the research has gradually incorporated the disciplines of physics, biology, chemistry, and archaeology.  This convergence has given rise to research in heritage sciences, driving innovative projects such as Marine Appart's doctoral work, supervised by Professor Olivier Deparis. This research has now been recognized with a publication in the prestigious journal Heritage Science (Nature Publishing Group).