Les algues : cultures, territoires et enjeux en France, aux Etats-Unis et en Chine : géographie d'une ressource à cultiver en mer et à terre

Abstract : Our work is an original research that brings a new study example to the geography of sea and coastlines. We propose to describe and analyze the spatial and economic dynamics of a singular type of aquaculture: seaweed farming. Seaweed farming is a significant research area in coastal geography as well as in the geography of food and energy. We sought to identify the different scales of territories organized for the production of both macro- and microalgae. To conduct this research, we chose three study countries : China, the largest producer of macroalgae, France, where traditional production is being adapted to a new commercial and industrial demand, and finally the United States, where most innovations in the field of microalgae are made. This thesis has a cross- and forward-looking approach and is based on different research methods: field surveys on production sites, interviews with stakeholders, researchers, and distributors, bibliographic research at the intersection of the biological and social sciences. The study of crops, territories and issues of seaweed farming progresses along a three-step analysis: first, the presentation of algae farming (macro and microalgae) in its global and regional production with the production methods, second the analysis of the algae value chains, showing the development of local equipment and installations, and the investment of authorities in the territories of reference. Finally, we explore algae as a resource involved in energy, environmental and food issues of the twenty-first century.
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Sophie Bresc-Litzler. Les algues : cultures, territoires et enjeux en France, aux Etats-Unis et en Chine : géographie d'une ressource à cultiver en mer et à terre. Géographie. Université Panthéon-Sorbonne - Paris I, 2014. Français. ⟨NNT : 2014PA010559⟩. ⟨tel-02172120⟩

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