Ancient Developments in the Middle Senegal Valley and the Inland Niger Delta

The study of West Africa has contributed to the expansion of comparative arid-lands floodplain prehistory, from both the data collection (cultural and historical) and the theoretical aspects. The neoevolutionary approach that often pictures Africa as a backward continent has been successfully challenged. In the Middle Senegal Valley and in the Inland Niger Delta, research on their societies’ complexity done along these two subcontinent’s floodplains has described new processes (including urbanization) that were not previously featured in the archaeological literature. The two floodplains, because of their ecological diversity, with the richness of their ecological diversity, attracted Saharan populations affected by drought at the end of the second millennium and the first millennium BC. However, after their initiation occupation the two areas took different trajectories in complexity and settlement organization. Large complex settlements have been found at Jenne-jeno and in the Ile a Morphil that illustrate whole new trajectories of civilization. These forms of complexity, found in areas with historically known polities, were not included in the range of possibilities predicted by standard complexity theories regarding civilizational development. Ethnographic and historical data, reveal the existence of societies with a central authority embedded within and balanced by a diffuse, segmented and heterarchical power structure; often as a strategy to resist the individual consolidation of power. These societies exhibit evidence of horizontal differentiation and consensus-based decision making. All these types of organization are characterized by the presence of several sources of power vested in corporate entities, such as lineages, age groups, cults and secret societies.

The Pre- and ProtohistoricToguéof the Niger Alluvial Plain, Mali

The Inland Niger Delta in Mali is scattered with thousands of tell-like dwelling mounds that testify to the rich archaeological heritage of this attractive occupation area. The results of archaeological research suggest an occupation history of more than two millennia in which large urban settlements such as Djenné-Djeno and Dia play a central role. Regional surveys have revealed primary information on the vast rural hinterland of these extensive cities, but little is known about the structure and evolution of this considerable settlement system. The aim of the re-examination of 128 sites in the southern part of the Niger alluvial plain was to obtain an understanding of intersite relations based on sites' chronological, functional, socio-economic, and hierarchical differentiation and their participation in different trade networks. For the research it was crucial to find a method to date the last occupation period of the sites using surface remains. The results of the study emphasise the former occupants' preference for the most elevated landscape units close to fertile pastures, good cultivation grounds, and extensive fishing potential for their settlement sites. The occupants' ability to distribute and exchange agricultural surplus for luxury goods – imported via regional, inter-regional and trans-Saharan trade networks – is impressive, showing that they were able to compete with occupants of the large urban centres. Although the rural sites were much smaller than Djenné-Djeno and Dia, they were well connected. The rural hinterland apparently played an important role in most of the great West African empires. Population densities of the Inland Niger Delta were high for a long time, until the trade routes changed in the 15th century AD and the region became socio-politically unstable. This led to the abandonment of settlements, first around the urban settlements, and later also in the rural hinterland. The present-day occupation of the region is only a poor reflection of its impressive past.

Aeolian and fluviolacustrine landforms and prehistoric human occupation on a technically influenced floodplain margin, the Méma, central Mali

The Mema is a semi-arid region in central Mali with a rich archaeological heritage indicating the former existence of large urban settlements. The archaeological data suggest millennia of occupation history of the Méma preceding relatively sudden abandonment by the 14th or 15th century AD. Population numbers have remained low since then and today’s human presence in the area is sparse and largely mobile. Geomorphologically, the Méma can be characterized as a graben hosting various generations of aeolian landforms and (presently mostly dry) interdunal channels and lakes, linked to the neighbouring Inland Niger Delta floodplain. Given this setting, and the variability of the Sahelian climate, climatic contributions to the region’s sudden abandonment are likely. A geomorphological survey of the region, and interpretation of the observed geomorphological record in terms of climatic history, aimed at providing a basis for understanding the intensive occupation and subsequent abandonment of the Méma. The results of this study underscore dramatic Holocene climatic variability, leading to the region’s present geomorphological diversity, but also suggest that neotectonic movements constitute an important additional cause of regional desiccation. Both may have encouraged prehistoric people to abandon the Méma after a long period of occupation.

TOBACCO PIPES FROM EXCAVATIONS AT THE MUSEUM SITE, JENNE, MALI

Tobacco pipes are among the most frequently recorded artifacts from historic period sites in West Africa, and can be used to both establish tight chronologies and address issues of social and economic change.This paper is a discussion of the 300-year sequence of tobacco pipes recovered from excavations at Jenne, Mali in 1999. The assemblage, which includes over 300 fragments, is first placed in its historical and archaeological context. The pipes are fully described using a multivariate approach, and the results illustrate a clear sequence. Following a reassessment of Daget & Ligers’ previously proposed pipe chronology for the Inland Niger Delta, the pipes are analyzed using two primary frames of reference. On a broad regional scale, the assemblage is compared with those from sites throughout West Africa, while on the local level possible motivations for the types of changes seen in the assemblage are discussed.

The Dia archaeological project: rescuing cultural heritage in the Inland Niger Delta (Mali)

Mali is a country with a rich history and diverse cultures. Its cultural heritage is, however, threatened by both the pillage of archaeological sites and illicit trade (ICOM 1995; Bedaux & Rowlands, this volunle). Looting has dramatically increased in recent years, especially in the Inland Delta of the Niger, and has obliged Malian authorities to take measures to counteract this destruction. Within the framework of a long-term Malian-Dutch cultural heritage programme, the Rijksmuseum voor Volkenkunde at Leiden recently initiated large-scale excavations in the Inland Niger Delta at Dia, in close cooperation with the Université du Mali, the Institut des Sciences Humaines and the Musée National du Mali in Bamako, the Mission Culturelle in Djenné, the Universities of Paris I and VI, the C.N.R.S., University College London and Leiden University. This excavation, financed principally by the Dutch Ministry of Foreign Affairs, started in 1998 and will continue until 2004. It is a continuation of previous international programmes of site survey and documentation in the Inland Niger Delta, which the Institut des Sciences Humaines in Bamako has co-ordinated over the past two decades (e.g. Raimbault & Sanogo 1991; Dembele et al. 1993; Togola 1996). An initial season of prospection was carried out in 1998 in the Inland Delta, following which the vicinity of Dia was chosen as the principal research zone for the project.