Programmes > Par auteur > Jaouadi Sahbi

Middle Holocene climate changes and Capsian population dynamic in Central Tunisia during the 6th and 5th millennium BC.
Sahbi Jaouadi  1@  , Vincent Lebreton  1@  , Lotfi Belhouchet  2@  , Simone Mulazzani  3@  , Nabiha Aouadi  4@  , Ismaïl Saafi  3@  , Roland Nespoulet  1@  , Julie Dunne  5@  , Richard Evershed  5@  , Beya Sghar  6@  
1 : UMR 7194, Histoire naturelle de l\'Homme préhistorique
Museum National d'Histoire Naturelle : UMR7194
Institut de Paléontologie Humaine 1, rue René Panhard 75013 Paris -  France
2 : Institut National du Patrimoine, Musée Archéologique de Sousse
Sousse -  Tunisie
3 : UMR 7269 LAMPEA, MMSH, Aix-en-Provence
Aix Marseille Université
4 : Institut National du Patrimoine, Musée National du Bardo
Tunis -  Tunisie
5 : School of Chemistry [Bristol]  -  Site web
Cantock\'s CloseBristolBS8 1TS -  Royaume-Uni
6 : Faculté des Lettres et des Sciences Humaines de Sousse

In the Eastern Maghreb, few data are available regarding the socioeconomic dynamics and associated environmental contexts of the Capsian hunter- gatherers (8th – 5th Millennia cal BC) and the transition towards a production economy. This transition occurs during the Middle Holocene (~6200- 2200 cal BC), a period characterized by greater climate variability and aridity trend. The impact of these climate conditions on the ecosystems of central Tunisia would have been important by modifying the distribution and availability of resources. Based on new pollen records on the one hand, and archeological data recently obtained from many sites in central Tunisia (Ain Metherchem, kef Ezzahi, Kef Hamda, Doukanet el Khoutifa, SHM1) on the other hand, we will discuss the potential influence of the middle Holocene environmental changes on the cultural and economic patterns of the Capsian populations of central Tunisia during the 6th and 5th millennium BC.

The palaeoecological data indicates important climate instability during the 6th and 5th millennium with the recurrence of century-scale Rapid Climate Changes (RCCs) arid events, followed, from the middle of the 4th millennium, by a climate millennial trend towards the arid conditions of the Late Holocene (from 2200 BC onwards). During the same period, from the 6th millennium onwards, in many broad-spectrum economy Capsian sites, changes in techno-economic behaviour are recorded with the introduction of ceramics, followed around the mid- 6th millennium by the appearance of domesticated animals. The emergence of a production-based economy during the 6th millennium BC through the selective introduction of certain economic innovations from the “Neolithic package”, might indicate an adaptation to new natural constraints with an arid climate limiting the possibilities for agriculture. However, although some synchronicity between climate events and technological and subsistence strategies changes, the complexity of man-environment interactions invite to consider human societies choices and the different reactions that may have been adopted.

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