Endogamy among the Dogon of Boni, Mali

Cazes, Marie-Hélène

doi:10.1017/s002193200001840x

Cited by 6 publications

(5 citation statements)

References 2 publications

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“…Our results support both a hypothesis of multiple independent origins of populations characterized by their mode of subsistence (the western and central Sahelian pastoralists are different from the eastern ones as inferred by genetic distances and MDS analyses; shown in Figures and ) and a hypothesis of limited gene flow between populations with different subsistence strategies (haplotype sharing between populations is very limited; shown in Figures and ). The limited gene flow observed in our data corroborates the results of ethnographic studies which showed high levels of endogamy in rural Sahelian communities (Cazes, ; Hampshire & Smith, ; Spedini et al, ) and therefore infer that such behavior has been the norm for centuries.…”

Section: Discussionsupporting

confidence: 91%

Subsistence strategy was the main factor driving population differentiation in the bidirectional corridor of the African Sahel

Nováčková

Čížková

Mokhtar

et al. 2020

American J Phys Anthropol

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Objectives: The Sahel belt is occupied by populations who use two types of subsistence strategy, nomadic pastoralism and sedentary farming, and who belong to three linguistic families, Niger-Congo, Nilo-Saharan, and Afro-Asiatic. Little is known, however, about the origins of these two populations and their mutual genetic relationships. Materials and Methods:We have built a large dataset of mitochondrial DNA sequences and Y chromosomal STR haplotypes of pastoralists and farmers belonging to all three linguistic phyla in the western, central, and eastern parts of the Sahel. We calculated pairwise genetic, geographic, and linguistic distances between populations and analyzed the effects of geography, language, and subsistence on population genetic structure.Results: We found that subsistence mode significantly contributed to the generally low population structure in the Sahel and that language affiliation plays a more important role for pastoralists than for farmers. We also demonstrated that geographic isolation significantly influenced the population structure of sedentary farmers but not of nomadic pastoralists. Finally, we found haplotypes shared between the Fulani and Arabic-speaking Baggara, supporting the theory of Baggarization, which explains the recent adaptation of Arabic-speaking nomads in the Sahel region through contact with autochthonous sub-Saharan populations.

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Section: Discussionsupporting

confidence: 91%

Subsistence strategy was the main factor driving population differentiation in the bidirectional corridor of the African Sahel

Nováčková

Čížková

Mokhtar

et al. 2020

American J Phys Anthropol

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“…This support of Assumption 2 is in line with Becker (1981), who argues that individuals prefer marriage to a partner who is similar to themselves, and with empirical evidence as the large majority of marriages in rural areas of Sub-Saharan Africa are homogamous (Cazes 1990;Nave 2000). …”

supporting

confidence: 85%

“…Cazes 1990;Nave 2000), even if their families are from different locations. While it is understood that spreading out family ties geographically acts as a coping mechanism against location-specific shocks (Rosenzweig and Stark 1989), the present paper adds a purely economic motivation for intra-ethnicity marriage in developing economies.…”

Section: Discussionmentioning

confidence: 99%

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Ethnicity, Marriage and Family Income

Matz

2013

SSRN Journal

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Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Terms of use: Documents in AbstractThis study adds a microeconomic perspective to the discussion on ethnic diversity and economic performance in developing countries by investigating the motivation for intra-ethnicity marriage in rural Sub-Saharan Africa. Specifically, the paper proposes that ethnic similarity between spouses enhances economic outcomes through a shared agricultural production technology. Furthermore, the framework suggests that the probability of marriage within the same ethnic group is positively related to the size of the group due to frictions in the marriage market: Search costs for co-ethnic spouses are larger the smaller the group. The theoretical propositions are supported using Ethiopian rural household data by demonstrating that inter-ethnicity marriage of the household head has adverse implications for family income. The negative effect is robust to controlling for lagged income and initial conditions, present when investigating the link with changes in family wealth, and persists in additional sensitivity checks.

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“…The first long-term demographic and genealogical dataset used in this study comes from a Dogon population in Mali. These data were collected by Marie-Helene Cazes (2016) and obtained via the Kinsources archive: https://www.kinsources.net/kidarep/dataset-186-dogon-boni.xhtml. This population is composed of isolated groups of Dogon, living in the semi-arid climate of the southern Sahel in Mali, around the district of Boni.…”

Section: Data Sources and Ethnographic Overview 211 Dogon From Malimentioning

confidence: 99%

Fitness consequences of cousin marriage: a life-history assessment in two populations

2022

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Cousin marriage, a spousal union between close kin, occurs at high frequencies in many parts of the world. The rates of cousin marriage in humans are concordant with empirical studies that challenge the traditionally held view that reproduction with kin is generally avoided in animals. Similarly, some theoretical models in animal behavior show that inbreeding avoidance is more constrained than previously thought. Such studies highlight the importance of quantifying the costs and benefits of reproduction among close kin over the whole life-course. Here, we use genealogical data from two human populations with high frequencies of cousin marriage (the Dogon from Mali, and the Ancien Régime nobility from Europe) to estimate these potential costs and benefits. We compare age-specific fertility and survival curves, as well as the projected growth rates, of sub-populations of each marriage type. Fitness costs of cousin marriage are present in terms of reduced child survival (in both populations), while benefits exist as increased fertility for men (in the Dogon) and for women (in the Ancien Régime nobility). We also find some differences in the projected growth rates of lineages as a function of marriage type. Finally, we discuss the trade-offs that might shape marriage decisions in different ecological conditions.

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Endogamy among the Dogon of Boni, Mali

Cited by 6 publications

References 2 publications

Subsistence strategy was the main factor driving population differentiation in the bidirectional corridor of the African Sahel

Subsistence strategy was the main factor driving population differentiation in the bidirectional corridor of the African Sahel

Ethnicity, Marriage and Family Income

Fitness consequences of cousin marriage: a life-history assessment in two populations

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