Einfluss von Hybridisierung in der Evolution von Primaten Impact of hybridization in primate evolution
Abstract
Hybridization, introgression and reticulation are more widespread in primate evolution than previously assumed. They can be found in all major primate radiations, either as an ongoing process on an eco logical timescale or as traces of ancient hybridization in the genome. Hybridization or introgression can result in the reinforcement of reproductive barriers, the sink of populations in hybrid zones, hybrid speciation, or even the extinction of species. We provide an overview on processes, mechanisms and impact of hybridization and introgression onto primate evolution and discuss philosophic, taxonomic, phylogenetic and conservation relevant implications. As an example we review the phylogeographic implications of male introgression in baboons (Papio). Discordances between the distributions of mor phospecies and mitochondrial haplogroups and extensive poly and paraphyletic relationships between taxa have been found and can be regarded as indications for a strong impact of introgression.
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