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Pasture Ecosystem Services Indicators : an expert based set of indicators of ecosystem services S. Taugourdeau, S. Messad, F. Louault, A. Michelot-Antalik, M. Vigneron, L. Poisse, L. Yentur, C.P. Millet, D. Bastianelli, P. Carrère, S. Plantureux simon.tau

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Academic year: 2021

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Pasture Ecosystem Services Indicators : an expert based set of indicators of ecosystem services

S. Taugourdeau, S. Messad, F. Louault, A. Michelot-Antalik, M. Vigneron, L. Poisse, L. Yentur, C.P. Millet, D. Bastianelli, P. Carrère, S. Plantureux simon.taugourdeau@cirad.fr

• Grassland provided many Ecosystem services(ES). ES are related to grass biodiversity. • Grassland vegetation descriptors could be used to assessed ES.

• Goal: creating ES indicators from vegetation descriptors (forage production, flexibility in forage production, pollination, biodiversity conservation, resilience to extreme event, nitrogen availability).

• Use of multicriteria analysis tools to aggregate different descriptors based on expert knowledge

• Outpus: Proposition of set of indicators of ES that can be calculated from botanical surveys

Experts Workshops

Identification of the ecosystem processes

that support services

Selection of the vegetation descriptors

Multicriteria analysis TATALE

Trade off between services

Calculation of descriptors of the 1754

botanical surveys from the eflorasys database.

For: Forage production Nitrogen: Nitrogen availability Conservation: Biodiversity conservation

Temp: Forage temporality

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