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Des poissons, des hommes et des rivières : sociologie d'un problème de pollution en Franche-Comté

Abstract : Between 2009 and 2015, several rivers in the Doubs department were the scene of episodes of fish mortality. Summarising the uncertainties and concerns about the sustainability of fishing practices and potential health risks, this phenomenon has most often been explained by "river pollution". However, it seems that such a qualification casts a veil on the attempts at solutions put in place by the actors. Returning to the various surveys through which the actors concerned by this situation mobilize different resources to understand the causes of fish mortality episodes and control them, this work shows that the complexity of the phenomenon, the diversity of the issues it covers and its geographical size exceed the singular capacity of resolution specific to each group (environmental associations, structures representing the agricultural world, public authorities...) and require collective but always uncertain activity to define the problem and its solutions. It also appears that these investigations carry with them the risk of mutual denunciation and attribution of responsibilities. Also, while river advocates are engaged in denouncing agricultural activities and sanitation management leading to the opening of a conflict situation, experts mandated by government representatives conclude that the phenomenon is multifactorial and leads to a dilution of responsibilities. The situation then remains partly undetermined and the explanation by "river pollution" becomes a political solution, or even a "diplomatic tool" for a collective problem that is difficult to make sense of.
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Simon Calla. Des poissons, des hommes et des rivières : sociologie d'un problème de pollution en Franche-Comté. Sociologie. Université Bourgogne Franche-Comté, 2019. Français. ⟨NNT : 2019UBFCC020⟩. ⟨tel-02879627⟩

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