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La phytosociologie au service de l'agroécologie : exemple des "prairies humides" de Midi Pyrénées

Abstract : To move agroecology from theory to field practice on the permanent grasslands of Midi-Pyrénées, the Conservatoire botanique national des Pyrénées et de Midi-Pyrénées and INRA-Agir propose indices to measure the agronomic and ecological qualities of these vegetations. After having compiled a database of phytosociological surveys and practice surveys on more than 500 plots, the work proposed here is to measure the contribution of these indices to the understanding of agroecological issue in wet grasslands. Wet grasslands are thus proving to have real qualities to enhance on farms. Productivity, flexibility of exploitation, early maturity, presence of refusal, ecological specialisation, presence of rare species are all elements from which the indices proposed here draw a mathematical measure built on the database. These indices provide elements for diagnosis and dialogue between agronomists, naturalists, land managers and farmers.
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  • HAL Id : hal-02622296, version 1
  • PRODINRA : 483341



François Prud'Homme, Jean Pierre Theau. La phytosociologie au service de l'agroécologie : exemple des "prairies humides" de Midi Pyrénées. Documents Phytosociologiques, 2019, 12, pp.284-299. ⟨hal-02622296⟩



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