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Le paysage végétal littoral de Provence au Néolithique final, dynamique naturelle et gestion agro-sylvo-pastorale : apports de l’étude anthracologique de Ponteau (Martigues, Bouches-du-Rhône)

Abstract : The open-air settlement of Ponteau (Martigues, Bouches-du-Rhône) is located on a plateau at 1 km away from the Mediterranean Sea. The occupation mainly took place during the Late Neolithic, from 2900 to 2600/1800 cal years BCE. During phases 3 and 4, from which the charcoal analysis is available, the occupation seems to be sub-permanent and the site presents various specialized area (domestic space, domestic and craft activities area, pen for the livestock) and remains of buildings, made of stones during phase 3 and characterized by poles during phase 4. The local vegetation dynamic is potentially constrained by the contrasted natural conditions (wind, irregular rainfall, fire) and is thus difficult to perceive. Charcoal analysis enables to discuss the implications of fire frequency and soil conditions on the vegetation dynamic. The impact on ligneous resources of the agro-pastoral management of the territory activities, of building techniques and of household and subsistence activities is also discussed. The observed dynamic shows that the cistus-pistachio tree shrubland that predominates during phases 2 and 3 is colonized by pine stands during phase 4. Pine abundance next to the site may have favoured its use as timber for making the poles that characterize the buildings during phase 4. The decrease of Cistus suggests a decrease of fire frequency. During the last occupation phase, a decrease of pastoral pressure in a climatic context favouring the decrease of fire frequency seems to have allowed a recolonization by pines, leading to a pre-forest vegetation stage which could be, para-climatic in that area.
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https://halshs.archives-ouvertes.fr/halshs-02471038
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Submitted on : Monday, November 22, 2021 - 11:33:34 AM
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Janet Battentier, Aline Durand, Xavier Margarit, Maxence Bailly, Isabelle Théry-Parisot, et al.. Le paysage végétal littoral de Provence au Néolithique final, dynamique naturelle et gestion agro-sylvo-pastorale : apports de l’étude anthracologique de Ponteau (Martigues, Bouches-du-Rhône). Quaternaire, AFEQ-CNF INQUA, 2020, 31 (1), pp.45-70. ⟨10.4000/quaternaire.13157⟩. ⟨halshs-02471038⟩

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