Archives ouvertes de l'université catholique de l'Ouest
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    5396 research outputs found

    Édito : La philosophie politique de l’éducation à l’épreuve des crises démocratiques contemporaines

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    Vivre avec ou sans chevaux. Esquisse d’une étude d’un cas de dynamiques conjugales et familiales avec des relations anthropoéquines privilégiées

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    International audienceLa vie familiale est traversée d’expériences plurielles, parfois d’épreuves (conflit, séparation, deuil, etc.). Vivre des relations privilégiées avec une autre espèce comme le cheval impacte nécessairement ces expériences. Ici, une esquisse d’étude de cas singulière scrute les évolutions et les bouleversements en lien direct avec la place des chevaux dans un couple, dans une famille, tout le long d’une trajectoire. Le premier auteur a construit à la fois sa vie de couple-famille, à la fois sa vie professionnelle d’éducateur, d’enseignant et de chercheur en ethnosociologie à partir de l’analyse de la place des chevaux justement dans la vie des cavaliers, des « Hommes de cheval ». Les partages émotionnels et les symbioses affectives impriment la vie de l’enquêteur et, finalement, les contours de son paysage familial

    Identification(s) : Projet identificatoire

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    Le rôle des gouvernants doit-il être de guider le « destin » des citoyens ?

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    Advancing environmental monitoring across the water continuum combining biomarker analysis in multiple sentinel species: A case study in the Seine-Normandie Basin (France)

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    International audienceNowadays, biomarkers are recognized as valuable tools to complement chemical and ecological assessments in biomonitoring programs. They provide insights into the effects of contaminant exposures on individuals and establish connections between environmental pressure and biological response at higher levels. In the last decade, strong improvements in the design of experimental protocols and the result interpretation facilitated the use of biomarker across wide geographical areas, including aquatic continua. Notably, the statistical establishment of reference values and thresholds enabled the discrimination of contamination effects in environmental conditions, allowed interspecies comparisons, and eliminated the need of a reference site.The aim of this work was to study freshwater-estuarine-coastal water continua by applying biomarker measurements in multi-species caged organisms. During two campaigns, eight sentinel species, encompassing fish, mollusks, and crustaceans, were deployed to cover 25 sites from rivers to the sea. As much as possible, a common methodology was employed for biomarker measurements (DNA damage and phagocytosis efficiency) and data interpretation based on guidelines established using reference values and induction/inhibition thresholds (establishment of three effect levels).The methodology was successfully implemented and allowed us to assess the environmental quality. Employing multiple species per site enhances confidence in observed trends. The results highlight the feasibility of integrating biomarker-based environmental monitoring programs across a continuum scale. Biomarker results align with Water Framework Directive indicators in cases of poor site quality. Additionally, when discrepancies arise between chemical and ecological statuses, biomarker findings offer a comprehensive perspective to elucidate the disparities. Presented as a pilot project, this work contributes to gain insights into current biomonitoring needs, providing new questions and perspectives

    Entretien avec Pierre Manent. La condition pratique des hommes

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    Françoise Chandernagor et l'écriture du droit

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