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Analyser une transition agro-alimentaire par les flux d’azote : Aussois un cas d’étude du découplage progressif de la production et de la consommation

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  • Thierry Bonaudo
  • Gilles Billen
  • Josette Garnier
  • Fabienne Barataud
  • Sabine Bognon
  • Denis Dupré
  • Pauline Marty

Abstract

We reconstructed the one-century evolution of the agri-food system of the municipality of Aussois. We considered the nitrogen and money flows. Two periods are distinguished: from 1925 to 1965, characterized by autonomous agro-pastoral systems, while the second period from 1965 to the present, is defined by specialized and intensive grazing systems with an autonomy of 67%. Nitrogen use efficiency almost no changes between the two periods. Only 10% of nitrogen inputs are fixed in the products of the first period and 11% for the second period. Productivity, or the amount of products produced by surface is multiplied by 2.5 to reach today 7.2 kg N/ha/year. Finally, there is an opening of the nitrogen cycle and an economic transition from a low cash flow closely linked to nitrogen flow, to a significant cash flows independent of nitrogen flow.

Suggested Citation

  • Thierry Bonaudo & Gilles Billen & Josette Garnier & Fabienne Barataud & Sabine Bognon & Denis Dupré & Pauline Marty, 2017. "Analyser une transition agro-alimentaire par les flux d’azote : Aussois un cas d’étude du découplage progressif de la production et de la consommation," Revue d'économie régionale et urbaine, Armand Colin, vol. 0(5), pages 967-991.
    • Handle: RePEc:cai:rerarc:reru_175_0967
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    Cited by:

    1. Audouin, Elise & Odru, Mariana & Masse, Dominique & Dorégo, Gualbert Séraphin & Delaunay, Valérie & Lecomte, Philippe & Vayssières, Jonathan, 2024. "A methodology based on territorial metabolism analysis to assess the multi-criteria sustainability of African village terroirs with contrasted crop-livestock systems," Agricultural Systems, Elsevier, vol. 213(C).
    2. Aubron, Claire & Vigne, Mathieu & Philippon, Olivier & Lucas, Corentin & Lesens, Pierre & Upton, Spencer & Salgado, Paulo & Ruiz, Laurent, 2021. "Nitrogen metabolism of an Indian village based on the comparative agriculture approach: How characterizing social diversity was essential for understanding crop-livestock integration," Agricultural Systems, Elsevier, vol. 193(C).

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