Elaboration d'un diagnostic pour la restauration des auréoles bocagères et le confortement des corridors écologiques sur 27 communes du territoire du Pays des 7 Vallées

Abstract : A few decades ago in Nord-­Pas-de-­Calais like everywhere in France, a massive destruction of hedgerows occurred. This phenomenon is due to the size expansion of the agricultural parcels, land consolidation and modernization of agriculture (developments in technologies and agricultural practices). Nowadays the restoration of this hedgerows landscape is desirable, because those elements have a lot of ecological functions in rural territories. It constitutes a habitat and a shelter for the fauna and flora, it’s also a characteristic element of embankment, an asset for landscape and it reduces erosion and water runoff. Hedgerows are ecological corridors and constitute an important part of the blue-­green infrastructure network. The territory of the Communauté de Communes des 7 Vallées in west of Pas-de-­Calais’ department is considerated as the ‘green lung’ of the region. As such, the intercommunality requested the establishment of a diagnostic on 27 communes in order to restore hedgerows on communal ground with founding and support of the region. By field work and discussions with mayors and elected representatives of the 27 communes from the study, it had been possible to establish a development plan for hedgerows and trees that may be set up in the future. This report presents the context of the diagnostic, methods of realization, the results, as well as suggestions for animations on private ground: a reflexion on what type of projects could be organized in order to raise awareness of general public on the subject of ecological impact of hedgerows.
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Master thesis
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Pauline Martin. Elaboration d'un diagnostic pour la restauration des auréoles bocagères et le confortement des corridors écologiques sur 27 communes du territoire du Pays des 7 Vallées. Sciences de l'environnement. 2014. ⟨hal-02106958⟩

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