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Assessing both ecological and engineering resilience of a steppe agroecosystem using the viability theory

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  • Sabatier, R.
  • Joly, F.
  • Hubert, B.

Abstract

The high dependence of rangeland-based livestock farming systems to environmental uncertainty makes the resilience of these systems as important as production. Quantification of resilience is however difficult to conduct in real systems due to their low reproducibility. In this study, we develop a modeling approach to quantify both engineering resilience (return time after a perturbation) and ecological resilience (magnitude of a perturbation that a system can bear) of a mixed herd livestock farming system in Mongolian steppes. The model, build within the framework of the viability theory, captures the dynamics of the herd and its management. The system has the particularity to be impacted by agro-climatic events called dzuds that induce massive mortalities when harsh climatic condition and high stocking densities are met. Results show that (i) resilience non-linearly depends on herd composition and the level of underground biomass of the system, (ii) contrasted management strategies may be followed to cope with the risk of dzud and (iii) according to their herd composition most herders of the area can absorb climate shocks unless they compete for forage with other herders. Results are discussed regarding the impact of forage resource sharing on the resilience of these grazing systems.

Suggested Citation

  • Sabatier, R. & Joly, F. & Hubert, B., 2017. "Assessing both ecological and engineering resilience of a steppe agroecosystem using the viability theory," Agricultural Systems, Elsevier, vol. 157(C), pages 146-156.
    • Handle: RePEc:eee:agisys:v:157:y:2017:i:c:p:146-156
    DOI: 10.1016/j.agsy.2017.07.009
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    References listed on IDEAS

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    1. Sabatier, R. & Oates, L.G. & Jackson, R.D., 2015. "Management flexibility of a grassland agroecosystem: A modeling approach based on viability theory," Agricultural Systems, Elsevier, vol. 139(C), pages 76-81.
    2. Julia Bersch & Mr. Steven A Barnett & Mr. Yasuhisa Ojima, 2012. "Inflation Dynamics in Mongolia: Understanding the Roller Coaster," IMF Working Papers 2012/192, International Monetary Fund.
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    Citations

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    Cited by:

    1. Joly, Frédéric & Sabatier, Rodolphe & Tatin, Laurent & Mosnier, Claire & Ahearn, Ariell & Benoit, Marc & Hubert, Bernard & Deffuant, Guillaume, 2022. "Adaptive decision-making on stocking rates improves the resilience of a livestock system exposed to climate shocks," Ecological Modelling, Elsevier, vol. 464(C).
    2. Sabatier, R. & Mouysset, L., 2018. "A robustness-based viewpoint on the production-ecology trade-off in agroecosystems," Agricultural Systems, Elsevier, vol. 167(C), pages 1-9.
    3. Shuo Yang & Wei Guo, 2022. "Research on China’s Tourism Public Services Development from the Perspective of Spatial–Temporal Interactions and Based on Resilience Theory," Sustainability, MDPI, vol. 15(1), pages 1-20, December.
    4. Paut, Raphaël & Sabatier, Rodolphe & Dufils, Arnaud & Tchamitchian, Marc, 2021. "How to reconcile short-term and long-term objectives in mixed farms? A dynamic model application to mixed fruit tree - vegetable systems," Agricultural Systems, Elsevier, vol. 187(C).
    5. De Lapparent, Alice & Sabatier, Rodolphe & Paut, Raphaël & Martin, Sophie, 2023. "Perennial transitions from market gardening towards mixed fruit tree - vegetable systems," Agricultural Systems, Elsevier, vol. 207(C).

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