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Biodiversity feedbacks and the sustainability of social-ecological systems

Abstract : Human-nature interactions form a feedback loop that is driven by the loss of biodiversity-dependent ecosystem services. These interactions occur over many spatial and temporal scales, and mismatches between the scales of human dynamics and ecological processes can contribute to a decrease in human well-being and sustainability. This thesis investigates theoretically the long-term consequences of biodiversity feedbacks on the sustainability of social-ecological systems (SESs). Temporal mismatches resulting from extinction debts can generate unsustainable human population cycles, especially in the most technology-intensive SESs. Moreover, temporal mismatches postpone desirable behavioral changes and reduce resilience, thus increasing the probability of abrupt regime shifts towards unsustainable trajectories. However, natural habitat conservation, e.g. through land set aside or the economic internalization of biodiversity feedbacks, can help prevent or mitigate such crises. This thesis thus emphasizes the role of feedbacks and scales in human-nature interactions, and highlights the importance of foresight for the sustainability of human societies.
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Submitted on : Monday, December 10, 2018 - 11:44:06 AM
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  • HAL Id : tel-01949635, version 1



Anne-Sophie Lafuite. Biodiversity feedbacks and the sustainability of social-ecological systems. Ecology, environment. Université Paul Sabatier - Toulouse III, 2017. English. ⟨NNT : 2017TOU30289⟩. ⟨tel-01949635⟩



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