thesis abstract: Orang-utan genes in space and time: the impact of evolutionary processes of diversi...

مرکز و کتابخانه مطالعات اسلامی به زبان های اروپایی

منو

" thesis abstract: Orang-utan genes in space and time: the impact of evolutionary processes of diversification on Bornean orang-utans "
Arora, Natasha

Document Type	:	AL
Record Number	:	921067
Doc. No	:	LA97b4705z
Language of Document	:	English
Main Entry	:	Arora, Natasha
Title & Author	:	thesis abstract: Orang-utan genes in space and time: the impact of evolutionary processes of diversification on Bornean orang-utans [Article]\ Arora, Natasha
Title of Periodical	:	Frontiers of Biogeography
Volume/ Issue Number	:	4/2
Date	:	2012
Abstract	:	The evolutionary processes driving patterns of genetic diversity and differentiation, and ultimately leading to speciation, are poorly understood. The aim of this thesis was to investigate the effects of environmental and biological mechanisms on gene flow and genetic diversity in the Bornean orang-utans, Specifically, I examined the effects of the Pleistocene climatic changes and riverine barriers as well as sex-biased dispersal. My results suggest that current Bornean orang-utan populations are the result of a recent radiation throughout the island, following the probable confinement within a glacial refugium in the Pleistocene. Furthermore, I found evidence for an extreme pattern of female philopatry and male-biased dispersal. These processes have led to highly structured genetic diversity, rendering the orangutans particularly vulnerable to anthropogenic effects and future climatic changes.