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Le paysage, entre esthétique & écologie : modélisation rétrospective à partir de changements d'occupation du sol

Abstract : Landscape is both a backdrop to the lives of human populations and a medium for the life cycle of animal species. Landscape changes induced by land-use and land-cover dynamics affect both these dimensions, the one aesthetic, and the other ecological. Because these rationales areusually studied within different disciplines, little research has been done into how the two clashor combine as and when landscape structures change. This work seeks therefore to model the spatial co-evolution of the aesthetic and ecological functions of landscape retrospectively usingspatial metrics based on land-cover data. It focuses on changes in the urban fringes of two French cities (Paris and Besançon) over the last 30 years. The approach attempts first to use land-cover data to model (1) the landscape preferences of a set of individuals and (2) the ecological connectivity of a set of animal species. Drawing on both multivariate statistical analysis and spatial analysis, the core of this work consists in investigating how the two functions have evolved in convergent or divergent ways over time. The results provide fresh insight into the relationship between landscape aesthetics and landscape ecology and raise questions about the value of spatial modelling for a landscape management approach that endeavours to reconcile the preservation of residents’ living environments and the conservationof biodiversity.
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https://tel.archives-ouvertes.fr/tel-01481018
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Submitted on : Friday, July 21, 2017 - 9:27:21 AM
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  • HAL Id : tel-01481018, version 3

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Yohan Sahraoui. Le paysage, entre esthétique & écologie : modélisation rétrospective à partir de changements d'occupation du sol. Géographie. Université de Franche-Comté, 2016. Français. ⟨NNT : 2016BESA1022⟩. ⟨tel-01481018v3⟩

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