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Évolutions paysagères et occupations humaines passées du Marais poitevin occidental durant la fin de l’Holocène

Abstract : In the current context of climate change, crossing analyses of the palaeoenvironmental and paleosocietal evolution of a vulnerable coastal area illustrates the different forms of human occupations that have been linked to their environment during the last millenaries. A sedimentological analysis combined with historical maps allows us to rebuild and date precisely the evolution of the major paleolandscapes of the Marais Poitevin western border. This analysis confirms that this territory has deeply changed, especially during Antiquity and the early-Middle Ages, when the ancient maritime gulf turned into a marsh that is nowadays infilled. The evolution of historical human occupation is simultaneously qualified thanks to geoarcheological data. Remains of old fisheries and enstonements were identified next to rocky spots. They testify about an historical human occupation of the former islands, where people were protected from coastal hazards.
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https://hal.archives-ouvertes.fr/hal-03507163
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Submitted on : Thursday, January 20, 2022 - 4:42:48 PM
Last modification on : Wednesday, April 27, 2022 - 4:10:00 AM
Long-term archiving on: : Thursday, April 21, 2022 - 7:27:19 PM

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Pierre Pouzet, Mohamed Maanan, Sabine Schmidt, Gaëlle Dieulefet, Jean-Marc Large, et al.. Évolutions paysagères et occupations humaines passées du Marais poitevin occidental durant la fin de l’Holocène. Géomorphologie : relief, processus, environnement, Groupe français de géomorphologie (GFG), 2021, 27 (4), pp.263-278. ⟨10.4000/geomorphologie.16139⟩. ⟨hal-03507163⟩

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