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24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

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Ph.D. student at ADEME/INRAE


Address: INRAE Bretagne-Normandie, UMR SAS, 65 rue de St-Brieuc, CS 84215, 35042 Rennes Cedex, France

Fields of expertise: Agronomy, Zootechnic

Keywords: Environmental assessment, biodiversity, ecosystem services, livestock farming systems


Ph.D. thesis subject: “Environmental performance of livestock farming systems that aim to restore biodiversity in their farms”

Agroecological livestock farms (with production based on ecological processes) help address environmental issues of agriculture (e.g. environmental impacts, loss of biodiversity). It is important to assess the environmental performance of these farms, which have three functions: production, supplying ecosystem services (ES) and hosting biodiversity host agroecosystems. Current environmental assessments focus mainly on production. However, assessing their overall environmental performance should consider all three functions.

This thesis aims to develop an approach that combines and adjusts three existing methods to assess the overall environmental performance of agroecological livestock farms. To this end, we assess the three functions independently:

  1. environmental impacts of agricultural production, using life cycle assessment;
  2. ES supply, using a model specific to farms;
  3. potential hosted biodiversity, using a method that relates biodiversity to the intensity of livestock practices.

Each function will be assessed using several indicators. The final approach will combine complementary indicators of these three methods to provide an overall assessment of the environmental performance of agroecological livestock farms. Relations between estimates of the three functions and the degree of agroecology of partner farms will be identified. This approach could be validated with a larger network of farms and then used to consider non-productive functions of livestock farms as potential generators of income for farmers.