Pleistocene colonization of afro-alpine ‘sky islands’ by the arctic-alpine Arabis alpina

@article{Assefa2007PleistoceneCO,
  title={Pleistocene colonization of afro-alpine ‘sky islands’ by the arctic-alpine Arabis alpina},
  author={Aschalew Assefa and Dorothee Ehrich and Pierre Taberlet and Sileshi Nemomissa and Christian Brochmann},
  journal={Heredity},
  year={2007},
  volume={99},
  pages={133-142}
}
The afro-alpine region comprises the high mountains of Ethiopia and tropical East Africa, which represent biological ‘sky islands’ with high level of endemism. However, some primarily arctic-alpine plants also occur in the afro-alpine mountains. It has been suggested that these plants are Tertiary relicts, but a recent worldwide study of Arabis alpina suggests that this species colonized the region twice during the Pleistocene. Here we investigate the detailed colonization history of A. alpina… CONTINUE READING