The Emergence of an Endangered Species: Evolution and Phylogeny of the Trachypithecus geei of Bhutan

@article{Wangchuk2008TheEO,
  title={The Emergence of an Endangered Species: Evolution and Phylogeny of the Trachypithecus geei of Bhutan},
  author={Tashi Rapden Wangchuk and David W. Inouye and Matthew P. Hare},
  journal={International Journal of Primatology},
  year={2008},
  volume={29},
  pages={565-582}
}
Golden langurs (Trachypithecus geei) are an endangered primate species in Bhutan. We discuss their evolution in terms of phylogeny, ecology, and biogeography. We test the hypothesis that rivers and mountains in Bhutan isolated a population of capped langurs (Trachypithecus pileatus) that later speciated into the morphologically distinct T. geei. Trachypithecus, the genus to which both capped and golden langurs belong, spread north from a paleorefuge in south China, and Semnopithecus (gray… 
Genetic Diversity and Structure among Isolated Populations of the Endangered Gees Golden Langur in Assam, India
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The present study sequenced and analyzed around 500 bases of the mitochondrial DNA (mtDNA) hypervariable region-I from 59 fecal samples of wild langur collected from nine forest fragments to estimate the genetic diversity in the Indian population of golden langur and established that T. geei is monophyletic but revealed possible hybridization with capped langur, T. pileatus, in the wild.
Population abundance and distribution of the endangered golden langur (Trachypithecus geei, Khajuria 1956) in Bhutan
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The population estimate of golden langurs in Bhutan is much lower than the current IUCN estimate of 4000 individuals for Bhutan, necessitating a reassessment of its current conservation status due to threats from road kills, electrocution, and development activities like road construction, hydropower, and electrical transmission lines.
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The Golden Langur Conservation Project was begun in 1998 with the goal of protecting the golden langur within its entire Indian range, resulting in an increase of the Indian population of golden langurs from c.1,500 in 1997 to c.5,600 langurs in 2007 to 2012 and the lifting of the “in danger” listing for the Manas Biosphere Reserve by UNESCO.
Molecular systematics and conservation of the langurs and leaf monkeys of South Asia
  • K. P. Karanth
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SUMMARY The program MODELTEST uses log likelihood scores to establish the model of DNA evolution that best fits the data. AVAILABILITY The MODELTEST package, including the source code and some
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