Gestion agricole des services écosystémiques : éclairages à partir de l’économie de la production et de l’économie de l’environnement

Abstract : The thesis studies both theoretically and empirically the management of ecosystem services by farmers in two parts. In the first part, I study the supply and demand for productive ecosystem services by analyzing farmers’ behavior. I introduce biodiversity indicators that depend on acreage into existing models from production economics. My main contribution to the literature is to prove, from the analysis of farmers' observed behavior that farmers consciously manage productive ecosystem services. I bring other elements to the literature, such as new elements on the agricultural technology or showing that the collective management of ecosystem services rarely arises spontaneously in real landscapes.In the second part, I study the demand for non- productive ecosystem services. I apply several analytical frameworks developed in environmental economics to the specificities of agriculture, i.e. the environmental service influences the supply of multiple public goods with different spatial distribution of the demand. I contribute to the literature by showing that while most of the demand for environmental services provided by farmers is captured locally (at the municipal level), a part of the demand is expressed at larger scales. This has implications for agri-environmental policies, which I explore through two examples: the pesticide savings and the maintenance of agricultural wetlands
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François Bareille. Gestion agricole des services écosystémiques : éclairages à partir de l’économie de la production et de l’économie de l’environnement. Economies et finances. Agrocampus Ouest, 2018. Français. ⟨NNT : 2018NSARE050⟩. ⟨tel-02140626⟩

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