Genetic structure of a population with social structure and migration

Jong, G. de; Ruiter, Jan R. de; Haring, R. M.

doi:10.1007/978-3-0348-8510-2_13

Cited by 42 publications

(17 citation statements)

References 16 publications

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“…This was also true when models were extended to include different breeding tactics and migration rates, indicating that the attainment of asymptotic fixation indices apply to any regular pattern of breeding and migration (Chesser 1991b). A similar conclusion can be derived from the simulation model of de Jong et al (1994) based on the social system of Macaca fascicularis.…”

Section: Theoretical Studiessupporting

confidence: 78%

“…One particularly noteworthy example of this is the existence of negative Fis values. Mathematical (Chesser 1991a) and simulation models (de Jong et al 1994) indicate that for socially structured populations, genetic variance values within individuals relative to the social group are always negative, indicating excess heterozygosity within lineages. Such values are to be expected for any population in which breeding groups have been accurately identified, regardless of the number of male and female mates (Chesser 1991a).…”

Section: Theoretical Studiesmentioning

confidence: 99%

“…Thus, FIL is a robust indicator of breeding tactics. Similarly, when age structure is included in a model based on the Macaca fascicularis social system, de Jong et al (1994) contend that Fis, and FST characterize the demography and life history of a population. The disproportionate influence of breeding tactics rather than migration on the ultimate FLS value indicates that Wright's (1951) island model is not applicable to models of intrapopulational differentiation (Chesser 1991b).…”

Section: Theoretical Studiesmentioning

confidence: 99%

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Breeding tactics, social structure and genetic variation in mammals: problems and prospects

Staaden¹

1995

Acta Theriol.

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Breeding tactics and social structure are among the primary determinants of the level and distribution of genetic variation in a population, giving rise to genetic structure. However the effects of such behaviors are neither intuitively obvious nor predictive. Interpretations of genetic interactions are hampered by a lack of suitable underlying models and the resulting weak empirical data base means that we are presently unable to answer fundamental questions such as whether the social structure exhibited by a species has any necessary or consistent relationship with the extent of genetic population structure in the species. In this review I present a brief overview of recent theoretical models, and summarise results of the two most common empirical approaches; namely, genetic comparison of identified social groups, and studies of arbitrarily selected samples. Some recommendations are made with respect to future empirical investigations. Increased sophistication in classifying social complexity will be necessary to elucidate the effects of social structure and breeding tactics on partitioning of genetic variation, and to determine the true correlation between social level and genetic structure.

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Section: Theoretical Studiessupporting

confidence: 78%

Section: Theoretical Studiesmentioning

confidence: 99%

Section: Theoretical Studiesmentioning

confidence: 99%

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Breeding tactics, social structure and genetic variation in mammals: problems and prospects

Staaden¹

1995

Acta Theriol.

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“…Therefore, an initial aim of conservation biology should be the mainte nance of the genetic structure of populations that are adapted to local environmental con ditions [20], Conservation approaches should be based on both genetic studies and informa tion concerning aspects of population dynam ics (e.g. migration and social behavior) that also influence the genetic structure of popula tions [21].…”

Section: Discussionmentioning

confidence: 99%

Protein Polymorphism in Three Cercopithecid Species and Its Application to Conservation

Schmitt¹,

Tomiuk²

1994

IJFP

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Genetic variation at up to 82 protein loci was studied in 3 cercopithecid primate species, Cercopithecus aethiops, Macaca fascicularis and M. mulatta. In both macaque species, genetic variability was higher than that commonly observed in other mammals. The observed protein variability is closely correlated with that expected under the neutral mutation hypothesis. The results are discussed with respect to the application of protein studies to the conservation of primate species.

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“…1998; van Staaden 1995; Sugg 1996; Storz 1999). Such breeding group species include many nonhuman primates (de Jong et al . 1994; Turner 1981; Dracopoli et al .…”

Section: Introductionmentioning

confidence: 99%

Fine‐scale population genetic structure in a fission–fusion society

et al. 2008

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Nonrandom patterns of mating and dispersal create fine-scale genetic structure in natural populations • especially of social mammals • with important evolutionary and conservation genetic consequences. Such structure is well-characterized for typical mammalian societies; that is, societies where social group composition is stable, dispersal is male-biased, and males form permanent breeding associations in just one or a few social groups over the course of their lives. However, genetic structure is not well understood for social mammals that differ from this pattern, including elephants. In elephant societies, social groups fission and fuse, and males never form permanent breeding associations with female groups. Here, we combine 33 years of behavioural observations with genetic information for 545 African elephants (Loxodonta africana), to investigate how mating and dispersal behaviours structure genetic variation between social groups and across age classes. We found that, like most social mammals, female matrilocality in elephants creates co-ancestry within core social groups and significant genetic differentiation between groups (í>sj = 0.058). However, unlike typical social mammals, male elephants do not bias reproduction towards a limited subset of social groups, and instead breed randomly across the population. As a result, reproductively dominant males mediate gene flow between core groups, which creates cohorts of similar-aged paternal relatives across the population. Because poaching tends to eliminate the oldest elephants from populations, illegal hunting and poaching are likely to erode fine-scale genetic structure. We discuss our results and their evolutionary and conservation genetic implications in the context of other social mammals.

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Genetic structure of a population with social structure and migration

Cited by 42 publications

References 16 publications

Breeding tactics, social structure and genetic variation in mammals: problems and prospects

Breeding tactics, social structure and genetic variation in mammals: problems and prospects

Protein Polymorphism in Three Cercopithecid Species and Its Application to Conservation

Fine‐scale population genetic structure in a fission–fusion society

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