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Title: Conservation threats to the endangered golden langur (Trachypithecus geei, Khajuria 1956) in Bhutan
Contributor(s): Thinley, Phuntsho  (author); Norbu, Tshewang (author); Rajaratnam, Rajanathan  (author)orcid ; Vernes, Karl  (author)orcid ; Dhendup, Phub (author); Tenzin, Jigme (author); Choki, Karma (author); Wangchuk, Singye (author); Wangchuk, Tshering (author); Wangdi, Sonam (author); Chhetri, Dambar Bahadur (author); Powrel, Reta Bahadur (author); Dorji, Kezang (author); Rinchen, Kado (author); Dorji, Namgay (author)
Early Online Version: 2019-12-05
DOI: 10.1007/s10329-019-00777-2
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Abstract: Threat assessment is critical to species conservation and management planning, because prior identification and assessment of key threats to conservation planning can assist in developing appropriate interventions or strategies. Comprehensive threat assessments are currently lacking for many threatened primates. In this paper, we classify and rank all direct threats to the endangered golden langur (Trachypithecus geei) in Bhutan in order to provide a practical guide to future conservation of the species. Information on threats was based on interviews with local people, discussion with field forestry staff, and social media interaction. We classified threats to golden langur habitats and populations, and ranked them using Miradi™, an analytical software for the adaptive management of conservation projects. We identified five habitat threats: (1) hydropower development, (2) road development, (3) housing development, (4) resource extraction, and (5) agricultural expansion. We also identified seven population threats: (1) electrocution, (2) road kill, (3) road injury, (4) dog kill, (5) retaliatory killing, (6) illegal pet keeping, and (7) hybridization with capped langurs. We rated the overall threat to golden langurs in Bhutan as 'medium'. Hydropower, road, and housing development constituted 'high' impact, while agricultural expansion, resource extraction, electrocution, and road kill had 'medium' impact; the remaining threats had 'low' impact. To immediately mitigate threats to golden langurs, we recommend: (a) installing speed limit signage and speed breakers with strict enforcement of speed limits; (b) installing insulated electric cables and fencing around power transformers; and (c) reducing and restraining domestic dog populations.
Publication Type: Journal Article
Source of Publication: Primates: journal of primatology
Publisher: Springer Japan KK
Place of Publication: Japan
ISSN: 1610-7365
Field of Research (FOR): 050211 Wildlife and Habitat Management
120504 Land Use and Environmental Planning
050202 Conservation and Biodiversity
Socio-Economic Outcome Codes: 960806 Forest and Woodlands Flora, Fauna and Biodiversity
870103 Regional Planning
839901 Animal Welfare
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Environmental and Rural Science
School of Humanities, Arts and Social Sciences

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