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Le recueil de multiples finalités de l'environnement en amont d'un diagnostic de vulnérabilité et de résilience : Application à un bassin versant au Laos

Abstract : Lao PDR is a landlocked country with low population density, which stands nowadays in a process of regional economic integration, after suffering wars related to decolonization and Cold War during several decades. A very fast economic growth, based on the development of infrastructures of transport and natural resource exploitation, has led to large differentiated impacts on populations and their resource based livelihoods. The concepts of resilience and vulnerability have been used in different disciplines to analyze and manage the dynamics of geographical areas and social groups facing rapid and uncertain changes. Both concepts are used within a variety of frameworks of analysis of society-environment relationships. While all reviewed frameworks take into account multiple scales of analysis in order to tackle the complexity of the studied phenomena, they do not, however, assess vulnerability and resilience at the same scales. In particular, some frameworks are actor-centered, while others are system-centered. The scale and limit of the socioecological system whose resilience or vulnerability is assessed depend on the issues that the authors want to tackle. Before such an assessment, it seems necessary to identify the issues of resilience and vulnerability that we want to address. This task should not be taken over by scientists alone, but by other stakeholders as well. The question is: how can we incorporate multiple viewpoints in the system design? For this, our framework considers a socioecological system both as a specific representation of the environment offered by a stakeholder, and as a set of elements contributing to one function. This system is organized in a hierarchy of levels of observation, in which each level corresponds to an intermediary function. We developed and tested a process to collect system representations of the environment from various stakeholders, that is to say, the way they structure a socioecological system that makes sense to them, according to the purposes that they assign to their environment. This approach has been tested in the catchment area of the Nam Lik river, Fuang district, Vientiane province, where the Nam Lik 1-2 hydropower dam was built in 2010. A series of workshops were held with residents of the study area, employees of local government and Lao National University teachers. At the earliest stage of a vulnerability or resilience assessment in the field study, this thesis proposes a reflection on the possible framings of these concepts, as well as methods to collect them from multiple stakeholders.
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Pauline Buchheit. Le recueil de multiples finalités de l'environnement en amont d'un diagnostic de vulnérabilité et de résilience : Application à un bassin versant au Laos. Environnement et Société. Institut agronomique, vétérinaire et forestier de France, 2016. Français. ⟨NNT : 2016IAVF0008⟩. ⟨tel-03339479⟩

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