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The distribution and population of the white-headed langur Trachypithecus poliocephalus leucocephalus Verbreitung und Bestand des Weisskopflangur Trachypithecus poliocephalus leucocephalus






Zoologische Garten. November; 735: 324-335

The distribution and population of the white-headed langur Trachypithecus poliocephalus leucocephalus Verbreitung und Bestand des Weisskopflangur Trachypithecus poliocephalus leucocephalus

Endemic to the southern Chinese province of Guangxi, the White-headed langur is one of the world's 25 most endangered primate taxa. The systematic position of this species has been debated for a long time. New DNA-evidence shows a close relationship on the subspecies level to the Vietnamese Cat Ba or Golden-headed langur, contrary to the often-supposed relationship to the Francois' langur. The current population of the White-headed langur is estimated to be only 700 to 800 individuals, which comprise four isolated subpopulations. Historically, hunting was the greatest threat to the langurs, dramatically decreasing the population and eradicating some of the sub-populations. The animals were used in preparation of traditional Chinese medicine. Currently, the greatest threat to the White-headed langur is fragmentation and destruction of habitat. The conversion of habitat into agricultural land is a serious threat for the remaining populations. The refuges of the last populations have been declared as protected areas, but the local communes retain the right to use the land. In Chongzuo County, Guangxi province, a protected area was established and created as an "Ecopark", with considerable expense. The area should serve as an example for the conservation of highly endangered species, offering possibilities for both scientific research and tourism. Extensive education and support for the surrounding communes, e. g. with the introduction and installation of biogas systems, has essentially reduced the pressure to the nature reserve. The development of the nature reserve is an optimistic example for the conservation of a highly endangered species, but it also shows the necessity for extremely high personal, educational, and financial expenditure.


Accession: 038747861



Related references

Nadler, Tilo, 2003: Verbreitung und Bestand des Weisskopflangur (Trachypithecus poliocephalus leucocephalus). Endemic to the southern Chinese province of Guangxi, the White-headed langur is one of the world's 25 most endangered primate taxa. The systematic position of this species has been debated for a long time. New DNA-evidence shows a close relat...

Dezhi Wang.; Jin Tong., 2004: Current status of the white-headed langur (Trachypithecus poliocephalus leucocephalus): distribution, population structure and conservation. Unknown

Nadler, Tilo., 1999: The golden-headed langur Trachypithecus poliocephalus in the Endangered Primate Rescue Center, Vietnam and the population situation in its area of distribution Goldschopflangur Trachypithecus poliocephalus im Endangered Primate Rescue Center, Vietnam und die Bestandssituation in seinem Verbreitungsgebiet. Zoologische Garten. Juli; 694: 241-245

Stenke, R.; Chu Xuan Canh, 2004: The golden-headed langur (Trachypithecus poliocephalus poliocephalus) on Cat Ba Island - status, threat factors and recovery options. Unknown

L.Z.aoYuan; Liu ZiMin; Wei Yi; Rogers, E.; H.G.ng, 2003: Population status of white-headed langur (Trachypithecus leucocephalus) in Guangxi, China. Data are presented of a survey on white-headed langurs (Trachypithecus leucocephalus) obtained between 1996 and 1998 in Bapen and Longgang Reserves in Guangxi, China. The surveys were the initial stage of detailed study of langur socioecology base...

Wang, D.; Ran, W.; Jin, T.; Pan, W., 2005: Population census of the white-headed langur (Trachypithecus leucocephalus) at Longrui Karst Hills, Guangxi, China. A population census of white-headed langurs (Trachypithecus leucocephalus) was conducted using sleeping-site counts and the line-transect method from July to August 2002 at the Longrui Karst Hills, Guangxi, China. This area had been the largest ha...

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Sun, T.; Wang, B.-Shi; Liu, Z.-Jin; Huang, C.-Ming; Zhou, Q.-Hai; Li, M., 2010: Isolation and characterization of 10 microsatellite loci for white-headed langur Trachypithecus leucocephalus. The polymorphic microsatellite loci were isolated and characterized from a microsatellite DNA-enriched DNA library for the white-headed langur (Trachypithecus leucocephalus), which is listed as one of the top 25 most endangered primate species in...

Qing Zhao; Wenshi Pan, 2006: Male-immature interactions seem to depend on group composition in white-headed langur (Trachypithecus leucocephalus). In Primates, male-immature interactions are always multifacetted. We studied male-immature interactions of white-headed langur during our long-term study in Nongguan White-Headed Langur Reserve, Guangxi, China. Male-immature interactions obviously...