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Conservation de l’entomofaune ordinaire : enjeux scientifiques et sociétaux

Abstract : Looking closely at the legal tools and other levers for preserving biodiversity, it would seem that invertebrates, in particular insects, are in a minority, or absent. This observation is all the more paradoxical when we know that 2/3 of the biological diversity consists of insects. How does this diversity, essential for the functioning of the ecosystems, find itself in the dead angle of conservation?The first answer that is usually put forward is lack of technical tools to study these small and relatively elusive animals. Getting to know and use new technical methods for the detection and the study of insects is more than ever necessary. Indeed, these levers will facilitate the study of these animals, and will thus increase knowledge, which will lead to developing more adequate conservation strategies. We shall evoke two approaches in particular: detection with molecular tools and use of statistical models to explore the potential distribution of the species.But knowledge is also based on what society asks for. Public interest orients the tools of protection and preservation of biodiversity. Among invertebrates, disparities exist, favoring the “big blue butterflies” over the “small brown dipterans”. A simple coincidence? No. Actually, the decisive factor to unlock the preservation of insects rests in human beings and how they perceive this biodiversity. Using a conservation psychology approach, we will explore how the general public perceives insects. We will also draw on participatory action research to see how various conservation actors can be committed towards preserving a group of ordinary insects: coprophagous beetles. Our aim is to propose ways to raise awareness, educate and engage society to this major issue: preserving entomofauna.
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Camila Leandro. Conservation de l’entomofaune ordinaire : enjeux scientifiques et sociétaux. Sciences agricoles. Université Paul Valéry - Montpellier III, 2018. Français. ⟨NNT : 2018MON30055⟩. ⟨tel-02132383⟩

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