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Humans and water in desert “refugium” areas: Palynological evidence of climate oscillations and cultural developments in early and mid-holocene Saharan edges

TitoloHumans and water in desert “refugium” areas: Palynological evidence of climate oscillations and cultural developments in early and mid-holocene Saharan edges
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2015
AutoriMercuri, A.M., Florenzano A., Giraudi C., and Garcea E.A.A.
RivistaInterdisciplinaria Archaeologica
Volume6
Paginazione151-160
ISSN1804848X
Abstract

Saharan anthropic deposits from archaeological sites, located along wadis or close to lakes, and sedimentary sequences from permanent and dried basins demonstrate that water has always been an attractive environmental feature, especially during periods of drought. This paper reports on two very different examples of Holocene sites where “humans and water” coexisted during dry periods, as observed by stratigraphic, archaeological and palynological evidence. Independent research was carried out on the Jefara Plain (Libya, 32°N) and the Gobero area (Niger, 17°N), at the extreme northern and southern limits of the Sahara, respectively. The histories of the Jefara and Gobero areas, as revealed by the archaeological and palaeoenvironmental reconstructions, suggest that these areas were likely to have been visited and exploited for a long time, acting as anthropic refugia, and therefore they have been profoundly transformed. Human presence and actions have conditioned the local growing of plants and selected a more or less synanthropic flora. Today, modern conservation strategies should take into consideration that water reservoirs, which are crucial for the long-term conservation of biodiversity, have provided refugia in the past just as they presently do under global warming conditions. © 2015, Archaeological Centre Olomouc. All rights reserved.

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Citation KeyMercuri2015151