Berichte des Sonderforschungsbereichs 268
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14, 169
Summary and evaluation
(2000)
The geographical analysis of the Savannah Zones of north-eastern Nigeria revealed a basic insight on the differentiated development at the meso-regional level: The northern districts had a much lower population increase than the average. It was already arid land before the dramatic reduction of precipitation since the late 1960s. The quality of the soil for farming is rather poor despite specific minerals which give grass during the very short growing season a higher nutritional value than further south. Through studies at the local level, it became evident that on one side this is an area of out-migration of the local population but on the other side we have to register the influx of migrants from the even more dryer northern districts including Niger Republic. The rate of urbanisation in Nigeria increased rapidly from 15 to 36 %. Northern capitals like Kano and Maiduguri multiplied their number of inhabitants seven times but were overtaken by Gombe’s growth. In any case they are centres of social and cultural change as the preliminary findings of H. BALZEREK concerning the boom-town Gombe revealed. But social tensions seem to be inevitable as religious movements not only in big towns like Kano but even in Gombe were already analysed by WATTS (1993, 61). The bearer/ carriers of this movement are landless people who did not migrate to new land in the country side, they are hoping for new jobs in an urban environment. The social structure has changed since the time of the old Hausa towns, but their reliance on surplus of labour force appears to have continued.
14, 011
The investigations carried out within the project in NE-Nigeria since 1989 have been focussing on the late Pleistocene and Holocene landscape development of the south eastern Chad basin. Areas of interest include palaeodune fields, clay plains and former beach ridge systems of Lake Chad. Transgressions and regressions of Lake Chad played an important role in the younger landscape history of NE-Nigeria and have also caused great environmental changes. The term „Megachad“ is well known and describes an enormous lake with an extension comparable with the Caspian Sea of today. The term „Microchad“ stands for the other recent extreme in terms of the lake dimensions varying during the times. Environmental changes in the surroundings of Lake Chad are closely connected with transgressions and regressions of the lake. These lake level changes can be climatically induced as well as non-climatically, due to human impact. Nearly all land units have more or less been influenced by the lake, spatially as well as temporally. It is important, though, to notice the scales of the changes. Some changes took place in a millennial scale, some in the scales of centuries or decades, and at least – as can be observed every year – in a seasonal scale.
14, 021
Numerous ecologists postulate that West African savannas are mostly the result of degradation of formerly closed forests. This hypothesis can only be tested by palaeoecological investigations. The palynological results summarised in this paper document the history of the Sudanian and Sahelian savanna of NE-Nigeria during the last 11.500 years (uncal. BP). Both sites investigated provide evidence for the persistence of savanna throughout the entire Holocene. Patches of closed dry forest may have occurred, but never completely displaced the savanna vegetation. Humid conditions during the early and mid Holocene (from 10.000 BP onwards) caused a rapid spread of Guinean and Sudanian taxa into the northern vegetation zones. A slow return to drier climatic conditions between ca. 6800 BP and ca. 5500 BP can be recorded at both sites. Finally, between 3800 BP and 3300 BP a strong aridification resulted in the establishment of the modern vegetation zones. In both the Sahelian and Sudanian zone the vegetational changes appear to have been primarily controlled by climatic changes, whereas the effects of human activities remain palynologically silent even for the late Holocene.
14, 153
The study investigates elements influencing agricultural development in villages of the hinterland of Gombe, Gombe State, Nigeria. It aims to discover changes in socio-economic and socio-cultural interactions that exist among household, region, nation and world market. Of special interests are rural households as well as wholesale markets where dynamic processes in the structure of agricultural enterprises and the individual reasons of innovations are recognisable. The final objective of the study is to analyse the agricultural sector in the investigated villages in time and space, by typifying rural households, there strategies of action in relation to different factors: for example, farmsize, cultivation techniques and marketing of agriculture products. The study is also interested in operational profits and costs of farms, income of households as well as expenditures, etc. Because of the fact that statistical work is still going on, it is only possible to present a small portion of the results. Namely, the change in cultivation and marketing of farm products with special emphasis on cash crops during the last 30 years.
14, 477
Traditional land rights in Dagara and Sisala societies in Burkina Faso and Ghana which were stateless in pre-colonial times are closely connected with the concept of earth-shrine parishes under the protection of a local land god and ideally under the control of the “first-comers” to the area. The earth priests perform regular sacrifices at the shrine and allocate land to later immigrants as well as the right to build houses and to bury their dead, often in exchange for gifts. The international border between Ghana and Burkina Faso, which was drawn up in 1898 and runs along the 11th parallel, often cuts across earth-shrine parishes. Particularly since the border demarcation exercise in the 1970s, the spatial separation of the Sisala earth priests on one side of the border from the Dagara immigrants on the other side has given rise to intricate conflicts over land rights. The paper will present the history of one such conflict and look at the various landrelated discourses – traditionalist, nationalist, and Christian – which the adversaries put forward in order to substantiate their claims.
08, 321
Two sites situated in the Sahelian and Sudanian zones of NE-Nigeria were chosen for pollen analysis. A sediment core from an interdunal depression in the eastern Manga Grassland provides information on the Holocene vegetation history of the Sahel between c. 9600-3400 B.P. The 3 m pollen record indicates an open savanna during the mid-Holocene. The presence of Sudano-Guinean taxa, which were mainly restricted to the interdunal depressions, points to more humid conditions. Already before c. 4000 B.P., a slow change towards drier conditions and the establishment of the modern Sahelian vegetation is visible in the diagram. This development was accompanied by high fire frequencies. A 16 m core from a crater lake (Lake Tilla) in the Sudanian zone of NE-Nigeria provides a pollen record which can be dated back to approximately 11-12000 B.P. Preliminary pollen spectra show a relatively constant pattern with a dominance of grass pollen even during the middle Holocene.
08, 215
The Yobe valley is one of the many refugia that dotted the Chad basin after the commencement of the desiccation of the Sahara. It hypothetically must have been attractive to the population that had to move away from the aridized zone in search of favourable ecotones. As the Mega Chad receded from its Bama ridge shores, new lands were progressively made available for human occupation along the valley. It is one of the principal goals of the Yobe Valley Archaeological project to investigate how and when this new valley was occupied. This paper has been divided into three principal sections. The first section deals with the search for the earliest settlements of the Yobe valley. The excavations conducted at Garingada and Damakarwa were aimed at tackling this problem. The second section deals with the development of complexity. The excavation at Gambaru was directed towards this problem. The third section seeks to discuss on the bases of the excavations at the three sites, manenvironment relationship. The concluding part of the paper focuses attention on the problems and prospects of the Yobe Valley Archaeological Project.
08, 101
The paper presents a short introduction to the environmental factors, e.g. climate, geology, relief forms and soils of the study area in the southern parts of the Gongola Basin. The study area covers the high mountain range of the Tangale-Waja Uplands and the adjacent pediplain, following in the north. It is asked if the natural factors enforced former inhabitants of the area to develop special land use techniques like field terracing to ensure the essential crop production under insufficient geoecological conditions.
08, 125
In the culture of the Pero, Longuda and Tula People in the south-eastern part of Bauchi State, north-eastern Nigeria, terraces are found as traditional means to improve the environmental condition and to secure the survival of the people. To classify those terraces according to their form and function, the techniques and customs of their building and the traditional structures of their development they have to be compared in the context of their own culture. The paper gives a few examples showing that the importance of terraces for the historic and religious concepts of the Pero, Longuda and Tula People is expressed through a tight network of oral traditions, social and religious customs and structures of belief and explanation, which, once they were woven together, eventually build what a malam from Tula called a glue of inheritance, identity, integrity, continuity and security.
08, 077
Our dichotomy of ‘nature’ and ‘culture’ is expressed in the Kanuri language with the terms al@ga for ‘creation’ and ‘creature’ which embraces trees, mammals, birds, insects, humans, in short the whole of the natural environment, and ada for ‘custom, habit, way of behaviour, family tradition’ for culture as a whole. There is no genre of oral literature, which would describe al@ga as such, but aspects of it can always be expressed in proverbs, riddles, toponymic praise phrases and songs, of which those performed by the hunters figure most prominently in reflecting upon al@ga. Yet, in these songs (and partly in other genres) ideas about al@ga are not purely descriptive in naturalists’ terms. They are much rather expressions, which centrally combine notions of the social and natural environment.
08, 093
The vast distribution of terraces in the geographical Sudan zone of West Africa leads to the question why and under which conditions an agrarian society might apply this particular form of farming. From an anthropologist's point of view it is essential to understand why farmers practise this form of farming and therefore try to explain the reason for it. The best way to gain insight is the description of terrace farming and when taking a closer look, we realize that farming is nowhere only an isolated agricultural activity.
08, 193
The architecture and chemistry of a dug-out: the Dufuna Canoe in ethno-archaeological perspective
(1996)
It is the intention of this paper to highlight the processes involved in the production of a dug-out. Two disciplines appear strikingly clear in the title of this paper; architecture and chemistry. It is deliberate, exhibiting the multifaceted approach to issues in archaeology. The Dufuna canoe, the main subject of the discussion, is entirely an organic material, long used by prehistoric populations, abandoned and covered in a huge deposit of earth, unearthed by the spade in two streams of excavations for the purpose of dating, measurements, documentation, which yielded a date of 8500 years as the oldest canoe in Africa and one of the oldest in the world. Who could have produced such an "artefact"? These and other related questions are fundamental towards the understanding of the history and society that lived in that environment in prehistory. Since we are dealing with a single "artefact" produced by prehistoric populations, long gone and extinct, we would not be in a position to reconstruct the processes of manufacture of the dug-out by any source other than by ethno-archaeological and ethnographic investigation and experiment of the contemporary society which manipulates similar environment with a view to stimulating the past mode of production. The method used in the data collection was by oral interviews and field observation.
08, 129
Changes in settlement pattern and culture - the process of down-hill migration in Tula, Bauchi State
(1996)
The process of down-hill migration of the Tula people started during the 1920s and has not yet finished. The resulting present situation might give information how far terraces play any role in the economy, ecology and ideology of the Tula. Approaching this question from a socio-agricultural point of view some facts which indicate the pertaining or overcoming of traditional structures will be presented. In the following the land tenure system, the adoption of innovations and the role of women in agriculture will be discussed comparatively for Tula Wange and Tula Baule on the plateau, Fantami, which is generated by down-hill dwellers of Tula Wange, with its more or less bad farming conditions on shallow sandy soils and Kaltin, where the down migrants of Tula Baule settle in a more fertile area. Tula Wange numbers around 2000 households, Baule 1000, Fantami about 200 and Kaltin 350 of which the sample survey includes 15% in the plateau sites and 25% in the plain settlements.
08, 013
In a previous study which originally tackled the apparent contradiction between oral tradition and linguistic evidence in the Babur-Bura case, we approached the issue through a contrastive analysis of Bura and Kanuri. Since the originstory tends to push the Babur towards the Kanuri, leaving the Bura to stand all alone, it was felt that any linguistic closeness between Kanuri and Babur would confirm the originstory. Unfortunately, the paper did not come up with such evidence. The paper in question summarizes COHEN's (1983) account and interpretation of both the Babur and the Bura versions of their origin. It then presents the loopholes in the various accounts, based not only on the current linguistic classification of the area, but also on the results of an investigation carried out within the framework of the "Borno Surname Project". At both the phonological and syntactic levels, BADEJO (1989) observes that in view of certain fundamental differences between Kanuri on the one hand and Babur-Bura on the other, Babur affiliation with Kanuri is doubtful. Such differences include: the lack of voice distinction between the labiodental fricatives in Kanuri (i.e. /f/ and /v/; the /p/ - /f/ alternation), especially in wordinitial position in Kanuri, and finally, the SOV structure of the Kanuri sentence. The paper, drawing on support from an opinion survey, therefore concludes that "general linguistic and the social linguistic considerations presented ... seem to point to the fact that the Babur and the Bura are, by and large, the same people". The paper, however, recognizes the need for a Babur-Bura contrastive study. The current paper is the first step in that direction.
08, 049
The area around the Lake Chad is characterized as an example for a region where ethnic changes abundantly took place and still do. For example some Kanuri districts, or the leaders of those districts, are (unofficially) named after other ethnic names (e.g. Margi, Shuwa) or Kanuri clan names are identical with ethnic names of other groups, eg. Tera, Bade. Both people speak a Chadic language and live in the south and west of the Kanuri respectively. These are indications that the Kanuri formerly absorbed and integrated these peoples. These processes are not only a phenomenon of the past. In the case of the neighbouring Gamergu people an ongoing process of ethnic change towards a Kanuri identity is observed until present. The research projects1 have revealed that the concept of "ethnic units" is far from being static which the term may suggest. This especially applies to the German Stamm, which implies a static concept of ethnicity. However, in Borno the dynamics of ethnic and linguistic change are prevailing. Therefore Ronald Cohen rejected the term "ethnic unit", or even "tribe" for the Kanuri and preferred "nation" instead. Umara Bulakarima argued along the same line but used "ethnic group" for Kanuri subunits, e.g. Manga, Mowar, Suwurti. There is no doubt that the Kanuri played a dominant part in the history of the Lake Chad area during the past centuries. Therefore the "Kanurization" process may not surprise. However, in the following it will be revealed that the processes of contact and resulting adaptations and delimitations are not necessarily unidirectional from Kanuri to other groups. At least in some cases they may go into the opposite direction, e.g. from Gamergu to Kanuri.
08, 019
With one group generally constituting the autochthonous host - representing the core population in the centre - immigrant groups tend to reside in separate ethnic wards and even work in wards/quartiers identified with their ethno-specific crafts and trades - and often named after them. The socio-lingustic survey will therefore use available and new maps and ethno-linguistic statistics: For the former, the urban surveys by the Max Lock Company of north-eastern Nigeria have been of great help, but have to be updated ; for the latter, various censuses had to be supplemented by more recent information . With ethno-linguistic wards constituting enclaves which can only interact through a language or languages in common, we can apply the general model of the triglottic configuration by positing x territorial and y immigrant, ethnic languages of solidarity; one general urban community language or lingua franca of interaction; and the official language of authority and administration. This language of authority was formerly a local aristolect (Kanuri or Fulfulde), but is now mostly an exolect - English or French. This short presentation concerns ongoing work in urban socio-lingustics developed in Maiduguri over some 15 years.
08, 113
The mountains of the Tangale-Waja Uplands are inhabited by a number of small ethnic groups. They speak different languages which belong to two unrelated linguistic stocks. The Afroasiatic stock is represented by Chadic languages, especially Tangale, but also Pero and Kushi (further to the south along the slopes of the Muri Mountains) of the Bole-Tangale Group. But the majority of the languages belong to the Adamawa branch of the Niger-Congo stock. The study of the vocabulary, technical terms and expressions relating to farming in general and 'farming on terraces' in particular constitutes another important aspect of our multidisciplinary research project providing us with valuable information about the history of the settlements and cultures of the entire region. In this communication we will restrict ourselves to a few general observations which are mainly based on the comparison of selected items of the farming vocabularies of those communities which used to farm the slopes of the mountains in our research area. We want to focus on the various designations for "terraced farms" and "terraces" including any arrangement or setting of stones on farms to enhance and support the production of the staple food: guinea corn (sorghum) and/or millet (pennisetum).
08, 231
This paper examines Borno's colonial economy with particular reference to the activity of indigenous traders. Stress is laid on trade within Borno and between the province and other markets in Nigeria and the adjoining colonies of Cameroon, Chad and Niger. An analysis of the involvement of traders, ranging from Kanuri, Hausa, Tubu, Fulani, Shuwa Arabs, Yoruba to Igbo, in items such as livestock, indigenous cloths of Hausaland manufacture (especially turkudi), kolanuts, local salt, natron, dried fish, imported cotton materials and salt is also attempted. Although Maiduguri (or Yerwa), Nguru, Potiskum, Bama, Goniri, Monguno, Geidam, Abadam and Biu were the main market centres in the province during much of the period under review, the activity of traders in Maiduguri is chosen for consideration in the paper. Apart from being the provincial and Shehu's capital, the emphasis on Maiduguri is informed by the town's commercial importance, especially in the overland trade between the rest of Nigeria and the neighbouring colonies of Cameroon, Chad and Niger.
08, 349
In the inundation area - the basin of the former larger Lake Chad - a special type of sorghum is grown on the clay soils (firgi). This dry-season guinea corn is also called dwarf sorghum or masakwa. In Kanuri, the dominant language in the region, sorghum is called ngawuli. The dry-season types are called ngawuli firgibe (lit. translated: sorghum of the firgi). During the dry season when the natural vegetation becomes dry and yellow, masakwa fields appear in prominent green covering large areas of the clay plains. The most important natural factor for this specialized dry season cropping is the presence of soils with a high clay content. For a better understanding of masakwa and its related issues, a multidisciplinary sub-project (G1) has been established within the SFB 268 (Joint Research Project: History of Culture and Language in the Natural Environment of the West-African Savannah). This project in which all disciplines participate is entitled: "Natural basis for masakwa cultivation and its meaning for the settlement history of the clay plains (firgi) in the Chad basin".
08, 095
In Nigeria terrace agriculture can mainly be found in the so called "Middle Belt Economy" as FORDE (1946)1 coined this type which lies between the grain economy of males in the north and tuber cultivation of females in the south. The people - lacking a hierarchically social and territorial organisation - are called acephalous or segmentary societies. From the geographical point of view the Middle Belt is seen as a zone of transition. Because of the variability of the climate (sometimes it is too wet for grains, sometimes too dry for tubers) a strategy of mixed cropping enables the farmers to overcome these hazards. Their strategy can be seen in the frame of the game theory. A low population density and a lack of sufficient accessibility limited the innovation of cash crops at that time. The papers on the Tangale-Waja Region will reveal manifold facets of the culture and agriculture. In a first step we learn by the research of J. Heinrich that the natural environment is - from the genetic point of view - a prerequisite for the establishing of terraces, but it is still today an important provision to the modern farmers in their resettlement areas.