A history of conservation of built heritage sites of the Swahili Coast in Tanzania

The interaction between the Swahili Coast of the present-day Tanzanian coast and other parts of the Indian Ocean world dates back to the first millennium AD. This commercial communication resulted in the rise of several coastal city-states (stonebuilt towns), some of which date back to the tenth century. Unfortunately, some of these states started to collapse during the second half of the second millennium and the majority of them is in a ruinous state. These material remains, which according to the Tanzania’s Antiquities Act of 1964 deserve legal protection, have not been studied comprehensively mainly to establish their conservation history. The current article addresses this problem, and by analysing documents, it establishes the conservation history of monuments and historic buildings of the Swahili Coast in Tanzania. Research results indicate that some built heritage sites started decaying during the fourteenth century AD. Because of recognising the importance of these built heritage sites, communities of the region embarked on strategies to care these built heritage sites. This observation contradicts the European conventional wisdom maintaining that, in Africa, conservation of built heritage sites such as monuments and historic buildings began in the nineteenth century and was propagated by European colonialists.     

Swahili Cosmopolitanism in Africa and the Indian Ocean World, A.D. 600–1500

Coastal peoples who lived along the Eastern African seaboard in the first millennium A.D. onwards began converting to Islam in the mid-eighth century. Clearly rooted in and linked throughout to an indigenous regional Iron Age tradition, they created a marked difference between themselves and their regional neighbors through their active engagement with Islam and the expanding Indian Ocean world system. In this paper I explore three ways in which interrelated cultural norms—an aesthetic featuring imported ceramics, foods, and other items, Islamic practice, and a favoring of urban living—created and maintained this difference over many centuries. These qualities of their identity helped anchor those who became Swahili peoples as participants in the Indian Ocean system. Such characteristics also can be seen to have contributed to Swahili attractiveness as a place for ongoing small-scale settlement of Indian Ocean peoples on the African coast, and eventually, as a target for nineteenth-century Arab colonizers from the Persian Gulf. This paper examines the archaeology of these aspects of Swahili culture from its early centuries through ca. A.D. 1500.     

East Africa and Madagascar in the Indian Ocean world

The Indian Ocean has long been a forum for contact, trade and the transfer of goods, technologies and ideas between geographically distant groups of people. Another, less studied, outcome of expanding maritime connectivity in the region is the translocation of a range of species of plants and animals, both domestic and wild. A significant number of these translocations can now be seen to involve Africa, either providing or receiving species, suggesting that Africa’s role in the emergence of an increasingly connected Indian Ocean world deserves more systematic consideration. While the earliest international contacts with the East African coast remain poorly understood, in part due to a paucity of archaeobotanical and zooarchaeological studies, some evidence for early African coastal activity is provided by the discovery of early hunter-gatherer sites on offshore islands, and, possibly, by the translocation of wild animals among these islands, and between them and the mainland. From the seventh century, however, clear evidence for participation in the Indian Ocean world emerges, in the form of a range of introduced species, including commensal and domestic animals, and agricultural crops. New genetic studies demonstrate that the flow of species to the coast is complex, with more than one source frequently indicated. The East African coast and Madagascar appear to have been significant centres of genetic admixture, drawing upon Southeast Asian, South Asian and Middle Eastern genetic varieties, and sometimes yielding unique hybrid species. The biological patterns reflect a deeply networked trade and contact situation, and support East Africa’s key role in the events and transformations of the early Indian Ocean world.     

Pillar Tombs and the City: Creating a Sense of Shared Identity in Swahili Urban Space

This paper reviews published research on Swahili pillar tombs, as a specific type of tombs built of stone, by summarising records on almost fifty sites on the east coast of Africa. Dated to the 13th–16th centuries AD, the pillar tombs represented a core component of Swahili urban space. By considering their spatial setting, characteristics and comparative case studies from Africa and the Indian Ocean world, the paper reconsiders how pillar tombs might have functioned as a type of material infrastructure for creating social ties and notions of shared identity in a society that has never formally united.     

Beyond the Coastalscapes: Preindustrial Social and Political Networks in East Africa

The archaeological community worldwide now readily recognizes the role and significance of interregional interaction in the development and sustenance of urban societies (e.g., Marcus and Sabloff 2008; Sinclair et al. 2010; Trigger 2003). Over the past two decades, we have carried out a systematic, problem-oriented research program on the Kenyan coast and its hinterland in an effort to understand the ecological and cultural milieu that enabled towns and city-states to develop along the East African coast beginning in the late first millennium CE. Archaeological research complemented with historical sources of the eighteenth and nineteenth centuries shows that different scales of analysis can be used to understand the long-term history of the development of urbanism along this Swahili coast: local, regional, and trans-continental frames of reference each show that Swahili communities were part of numerous networks of interactions. An emerging picture of preindustrial urbanism shows that local, regional, and trans-continental interaction spheres tied coastal towns to the hinterland and to wider Indian Ocean commercial and social networks. Not all of the theorized links between the coastal towns and their local and regional trade and interaction partners will be visible archaeologically. We address the still poorly known elements of preindustrial regional networks of alliance and interaction spheres between urban and rural polities and argue that an integrative approach is necessary to understand the context of coastal urban society.     

Dietary Diversity on the Swahili Coast: The Fauna from Two Zanzibar Trading Locales

Occupants of coastal and island eastern Africa—now known as the ‘Swahili coast’—were involved in long‐distance trade with the Indian Ocean world during the later first millennium CE. Such exchanges may be traced via the appearance of non‐native animals in the archaeofaunal record; additionally, this record reveals daily culinary practises of the members of trading communities and can thus shed light on subsistence technologies and social organisation. Yet despite the potential contributions of faunal data to Swahili coast archaeology, few detailed zooarchaeological studies have been conducted. Here, we present an analysis of faunal remains from new excavations at two coastal Zanzibar trading locales: the small settlement of Fukuchani in the north‐west and the larger town of Unguja Ukuu in the south‐west. The occurrences of non‐native fauna at these sites—Asian black rat (Rattus rattus ) and domestic chicken (Gallus gallus ), as well as domestic cat (Felis catus )—are among the earliest in eastern Africa. The sites contrast with one another in their emphases on wild and domestic fauna: Fukuchani's inhabitants were economically and socially engaged with the wild terrestrial realm, evidenced not only through diet but also through the burial of a cache of wild bovid metatarsals. In contrast, the town of Unguja Ukuu had a domestic economy reliant on caprine herding, alongside more limited chicken keeping, although hunting or trapping of wild fauna also played an important role. Occupants of both sites were focused on a diversity of near‐shore marine resources, with little or no evidence for the kind of venturing into deeper waters that would have required investment in new technologies. Comparisons with contemporaneous sites suggest that some of the patterns at Fukuchani and Unguja Ukuu are not replicated elsewhere. This diversity in early Swahili coast foodways is essential to discussions of the agents engaged in long‐distance maritime trade. © 2017 The Authors International Journal of Osteoarchaeology Published by John Wiley & Sons Ltd.     

Intersections, Networks and the Genesis of Social Complexity on the Nyali Coast of East Africa

This paper examines intersections between different societies occupying the Nyali Coast region of southern Kenya from the late first millennium ad to the mid-second millennium ad. We explore interaction between societies at three scales: between hunter-gatherers and farmers in the coastal hinterland, between the hinterland and the coast and between the coast and the wider Indian Ocean. The patterns indicate that local intersections in the hinterland between hunter-gatherers and farmers went hand-in-hand with both the emergence of larger settlements in the hinterland and on the coast, and participation in a pan-Indian Ocean trade network.     

Why Land Here? Ports and Harbors in Southeast Tanzania in the Early Second Millennium AD

The east African Swahili ports developed extensive maritime trading links around the Indian Ocean, and supported economic, political, and urban growth in the early second millennium AD. This article identifies ports of varying function and importance in SE Tanzania, and seeks to understand their development in the context of natural harbor advantage, boat technology, sailing practice, and resource needs. Field data from landing places are combined with weather patterns, historical documents, and oral traditions to provide an integrated survey of the ports and harbors that once sustained medieval commerce along this section of the Swahili coast. The emergence of Kilwa as an entrepôt to become the key center is based initially upon its naturally advantageous harbor facilities, safety and flexibility of approach in days of sail, and assurance of monsoon winds. Original natural advantages gradually become self-sustaining with its economic and political growth. To the north and south of Kilwa a series of ports of call with drinking water and boat servicing supported trade to and from the pre-eminent city, although some such as Kisimani Mafia and Kwale-Kisuju developed important trade functions of their own.     

Settlement and Trade from AD 500 to 1800 at Angoche,Mozambique

Angoche was an important historic trading port on the northern Mozambique coast. A maritime archaeological survey was undertaken of the islands and mainland to study Swahili trade, clarify the sequence of settlement development and record the exploitation of resources during the medieval and post-medieval periods. Previous archaeological investigations have revealed local ceramics from the early second millennium AD and imports from the late fifteenth century. According to oral traditions and ancient sources, Angoche’s growth is associated with the arrival of coastal settlers from Kilwa in 1485. The survey revealed evidence for occupation dating from c. AD 500 and trading evidence from the late first millennium AD. Artefacts from the thirteenth to sixteenth century on the islands are similar to those found at Kilwa and Sofala, which shows a link to Kilwa earlier than the oral traditions and the name of one of the Angoche Islands ‘Quilua’, is Kilwa in Portuguese. The islands are well resourced in terms of rice, mangrove wood, seafood and farmland and offer sheltered inlets and access to the coastal trade route. The name of Angoche relates to a port of call and the presence of ninth-tenth-century- storage vessels from southern Iran supports this theory. Traded glass and ceramic artifacts and beads increase from the late medieval period revealing that Angoche became an important and wealthy entrepôt. The lack of coral limestone and reef coral, on the sandy Angoche Islands, indicates some building materials would have had to have been imported. Although many buildings would have been made of wood, some stone ruins are likely to have been demolished and burnt to make lime. The original stratigraphy of many sites has been destroyed by aeolian and marine processes but the survey has shown that valuable information on settlement location and ethnographic practices can still be recovered.     

‘The Key to India’: Troop Movements,Southern Africa,and Britain's Indian Ocean World, 1795–1820

Movements of people, goods, and ideas across the oceans of the world were the means by which British interests were cemented. This article focuses on one of those strategic and military transoceanic networks. It examines the pivotal role played by the Cape of Good Hope in supplying Britain's Indian Empire with troops: either recruited from existing garrisons or transferred in the case of security emergencies. Tracing the arcs of these connections, and understanding how and why they operated, helps to situate British networks of influence and interest in the Indian Ocean region. The views of people like Richard Wellesley and Robert Percival illuminate the political impulses and strategic considerations that circulated immediately before and after the British acquisition of the Cape. The evidence presented here contributes to our understanding of how the Cape fits into British Indian Ocean networks. In describing the close connection between the Cape and India, the article disrupts models of imperial networks that focus exclusively on London's relationship with colonial peripheries. And, finally, the article illustrates what it meant, in practice, to exert control and to sustain transoceanic networks and connections in the Indian Ocean in the late eighteenth and early nineteenth centuries.     

Ceramics and the Early Swahili: Deconstructing the Early Tana Tradition

Archaeological understandings of the Iron Age societies that developed on the East African coast and its hinterland have been transformed by exploration of locally produced ceramics. During the late first millennium, c. AD 600–900, sites across eastern Africa are characterized by ceramics known as early Tana Tradition or Triangular-Incised Ware, containing necked jars with incised decoration and a series of other jar and bowl forms in varying quantities. The recognition of this pan-regional tradition of pottery, known from an ever-growing number of sites, has been crucial in the reorientation of Swahili research to recognize the indigenous roots of the cosmopolitan coastal culture. This paper reports on the results of a ceramics project that has revisited excavated collections from a series of key ETT/TIW sites, analyzing sherds according to a single system and allowing true cross-site comparison for the first time. The results show regional diversity, in both form and decoration, particularly in the relative importance of the necked jar types that have come to stand for the early Tana Tradition more generally. While previous studies have hinted at regional diversity, such conclusions have been subsumed in discussion by the evident similarities between assemblages. Comparative results are here discussed against the background of previous research at the sites, and a series of conclusions about overlapping spheres of commonality are presented. Rather than critiquing previous work that has recognized this ceramic type, we seek to understand the remarkable distribution better by exploring its context and content.     

Rituals of Consumption and the Politics of Feasting on the Eastern African Coast,AD 700–1500

Historically, the Swahili of the eastern African coast have performed feasts through which they negotiated and contested social power. Feasts draw on tradition and practice, but create the space for, and conditions of, imbalance and social debt. Drawing on this historical frame, I examine the archaeology of feasting in the more distant Swahili past, AD 700–1500, in particular looking at how feasts can domesticate distant power—the power drawn from objects and practices from elsewhere. By charting changing assemblages of imported and local ceramics alongside settlement and food preferences, I examine developments in feasting patterns and the way feasts provided a social context within which local and distant power could be translated into authority.     

Nkope: The Early Ironworking Pottery Tradition of Southern Coastal Tanzania

This paper discusses Early Ironworking (EIW) pottery traditions of the southern coast of Tanzania. The beginning of the trend toward settled village communities in large parts of southeastern Africa was assumed to result from the southward movements of Bantu speakers who are presumed to have introduced the earliest evidence of domestication and sedentary behaviour, as well as iron- and pottery-making skills. The corollary of this was that the earliest settled villages of the coast were considered to have been of the Kwale tradition, which is a coastal variant of EIW ceramics that dates from the third and fourth centuries ad on the northern and central coasts of eastern Africa. Recent studies on the southern coast of Tanzania have revealed an EIW pottery tradition with a strong resemblance to the Nkope tradition of the southwestern interior, corresponding to the woodland belt on the southern edge of the equatorial forest zone. The temporal pattern of this tradition does not suggest any direction of movement but rather an axis of interactions between the coast and interior, at least since the last millennium bc.     

泉州蝇埔村“蚵壳厝”牡蛎壳来源初考

为考证泉州“蚵壳厝”牡蛎壳的来源,本文利用了动物学、动物地理学知识对“蚵壳厝”所用的牡蛎壳进行了种类鉴定和分布的分析。结果显示：“蚵壳厝”的牡蛎壳由大量近江牡蛎（CraSS0Strear1Vu一]ar1S）和少量的长牡蛎（C．g1gaS）组成,这两种牡蛎都属巨牡蛎属（CraSS0strea）。动物地理学特点显示,它们都是分布在太平洋一印度洋交汇海域,东非沿海的印度洋西部并没有这些种类的分布。结合前人对海上丝绸之路的研究结果,我们认为泉州“蚵壳厝”牡蛎壳应该是来自于东南亚或南海北部沿海。     

Mombasa Island: A Maritime Perspective

Mombasa’s strategic position on the Swahili Coast and fine harbours were key factors in its emergence as a prosperous city state during the early second millennium AD. These same attributes drew the attention of rival powers in the struggle to control the lucrative Indian Ocean trade network, particularly during the sixteenth and seventeenth centuries. Drawing from a rich legacy of cartographic and documentary sources created in the course of Mombasa’s turbulent history, this paper presents the results of a coastal archaeological survey undertaken in 2001 as part of a wider collaborative maritime project.     

TOWARDS AN UNDERSTANDING OF SPATIO‐TEMPORAL DYNAMICS AT GREAT ZIMBABWE: CONTRIBUTIONS OF THE URBAN ORIGINS IN EASTERN AND SOUTHERN AFRICA PROGRAMME

In 1987 archaeologists from nine African countries and colleagues from Sweden began a co‐operation programme to study urbanism in eastern and southern Africa under the auspices of The Urban Origins programme. The programme involved 22 parallel field projects throughout the West Indian Ocean region and the southern Africa interior. The article presents a compilation of diverse material on Great Zimbabwe that has been scattered in different fora. The research was directed by an overall approach that investigations in urban archaeology in Africa must be at the same scale that people lived in the past. The results briefly presented here show the potential of multivariate assessments of the spatial distributions of large‐scale urban sites in Africa.     

Two Vanished African Maritime Traditions and a Parallel from South America

Maritime traditions that extend along coastlines are more vulnerable to disruption and disappearance than areal trading networks. The paper describes two cases from Africa, the likely early movement of Bantu speakers down the coast of West Africa and the Swahili trading diaspora that reached southern Mozambique by at least the seventh century. Both of these have disappeared from the ethnographic and historical record but can be recovered through archaeology and linguistics. A parallel is made with the trade route that linked the coastal region of Peru and Ecuador with Western Mexico and may have been active from as early as 4,000 bp until the Spanish conquest. The hypothesis is that areal networks, such as those in island Southeast Asia and the Pacific, which are driven by colonisation and bidirectional exchange, are more likely to persist because they are more resilient due to the number of broken ‘links’ they can withstand. Linear expansions may be driven by a quest for trade and resources but are usually not necessary to survival.     

Developments in Rural Life on the Eastern African Coast,a.d. 700–1500

The eastern African coast is known for its Swahili “stonetowns.” Archaeological study of stonetowns has overshadowed that of Swahili rural life, and how it reformulated in the context of urban transformations after a.d. 1000. To help redress that imbalance, we focus here on village research carried out in a Swahili heartland—Pemba Island, Tanzania—in the context of two archaeological projects. We feature four settlements: later 1st millennium Kimimba village and its large, trading village neighbor, Tumbe; and 2nd millennium Kaliwa village, neighbor to Chwaka stonetown. Their archaeology, contextualized within a regional landscape, allows us to say new things about the changing nature of rural life on Pemba, and to make a case for the potential of village complexity elsewhere on the Swahili coast.     

The public life of the Swahili stonehouse, 14th–15th centuries AD

Houses are an important subject of archaeological research, normally explored through the households they contain. This has established a deliberately social agenda for the archaeology of houses, yet has had the unintended consequence of creating bounded worlds for study. Although household archaeologies explore the ways that households contributed to broader social and economic realms, it is rare to think through the public role of houses for non-residents and the larger population of the settlement. This paper seeks to explore this more public aspect of houses using the data from archaeology at Songo Mnara, a 14th–15th century Swahili town on the southern Tanzanian coast. This was a time when stone-built domestic architecture was first emerging in this region. The archaeology of the houses provides data for a series of ways that the house was at the heart of the economic and political life of the town, as well as demonstrating a spatial continuity between indoor and outdoor spaces. It is therefore suggested that the domestic and residential functions of the house for a particular household should be balanced with an appreciation of the broader world of the house itself.     

Complex Strands: Changing Textile Trades in Western Madagascar and the Mozambique Channel in the Nineteenth Century,Evidence from Nosy Be Island

This article examines the textiles trades of the west coast of Madagascar through the commercial relations and connections of Nosy Be with East Africa, the Comoro islands, the Mascarenes, India, French and other European imperial and metropolitan interests. It argues that, despite having been overlooked by historians in favour of Madagascar’s east coast economy centred on Tamatave, the island of Nosy Be in the far north-west of the island provides a critical vantage point from which to study the commercial exchange dynamics centred on a variety of textiles in the nineteenth century, a period of marked upheaval in the western Indian Ocean. Despite competition from European and American cloths — involving state perquisites granted to French textiles — Indian and other regional cloth continued to maintain important markets amongst Malagasy consumers into the early twentieth century.