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Theses

Bassins autoroutiers et amphibiens en France : des fonctionnalités écologiques aux pratiques de gestion : approche géographique d'un complexe socio-écologique

Abstract : Transport infrastructures are known to have major negative impacts on species and ecosystems dynamics, leading to the alteration and fragmentation of habitats and landscape patterns. But the construction of these infrastructures can also be at the origin of the creation of new environments, in particular through the measures implemented to reduce their impacts. Originally built to prevent flooding, stormwater ponds also limit the release of pollutants from infrastructure into the natural environment, thus functioning as a buffer zone. Scientists and managers today note the spontaneous use of these ponds by several species of amphibians. These species, which depend on both terrestrial and aquatic environments, are particularly sensitive to the quality and connectivity of their habitats. This thesis thus questions the role that highway stromwater ponds can play for amphibians, as a breeding habitat, but also as elements that can promote ecological continuities favorable to these species. The interest here is mainly focused on the management practices implemented in these ponds, their impacts on amphibians as well as the methods of their adaptation with regard to this ecological issue. At the same time, this research questions the capacity of the various actors - highway managers but also managers of adjacent natural spaces - to consider the ecological interdependence between the infrastructure verges and the territories which they cross, by relying particularly on representations associated with biodiversity and transport infrastructure. Thus, through a multidisciplinary approach combining ecological surveys, spatial analysis and semi-structured interviews, this thesis tends to contribute to better management of biodiversity issues on and around transport infrastructures.
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https://tel.archives-ouvertes.fr/tel-03171769
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Submitted on : Wednesday, March 17, 2021 - 11:03:28 AM
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  • HAL Id : tel-03171769, version 1

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Laura Clevenot. Bassins autoroutiers et amphibiens en France : des fonctionnalités écologiques aux pratiques de gestion : approche géographique d'un complexe socio-écologique. Géographie. Université Panthéon-Sorbonne - Paris I, 2020. Français. ⟨NNT : 2020PA01H012⟩. ⟨tel-03171769v1⟩

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