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Conservation of the Tonkin Snub-nosed Monkey in Khau Ca Forest

Northeast Vietnam

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Tonkin Snub-nosed Monkey

(Rhinopithecus avunculus)

IUCN 级别

LC 无危
NT
VU
EN
CR 极危
EW
EX 灭绝
IUCN 濒危物种红色名录

IUCN 濒危物种红色名录

《IUCN 濒危物种红色名录》被普遍认为是全球最全面客观评估动植物种群保育级别的标准性文件。

DT

Data Deficient

Unknown risk of extinction

LC

无危

灭绝风险相对较低

NT

近危

在不久的将来可能成为易危物种

VU

易危

在野外面临高灭绝风险

EN

濒危

在野外面临很高的灭绝风险

CR

极危

在野外面临极高的灭绝风险

EW

野外灭绝

仅存活于人工养殖环境

EX

灭绝

野外与人工养殖环境均无存活个体

The challenge

Hunted, driven out and endangered 
Endemic to the northeast Vietnam, the Tonkin snub-nosed monkey (Rhinopithecus avunculus) is found in tropical evergreen forests in karst limestone hills. Its distribution has significantly declined in the past few decades as a result of deforestation and intensive hunting. It has been consistently listed as one of the “top 25 most endangered primates” by several global conservation organizations and specialist groups. 

The goal

Protecting the largest known viable population 
Primatologist Le Khac Quyet’s project focuses on what is likely to be the largest viable population of Tonkin snub-nosed monkeys in the Khau Ca forest, which constitutes a key habitat conservation area in Ha Giang Province, Vietnam. Along with a team of local rangers, Quyet’s goal is to monitor the current population and habitat in Khau Ca forest. The data will go towards preventing the extinction of this valuable endemic species. At the same time, Quyet and his team focus on coordinating conservation efforts with NGOs and the Forestry Protection Department of Vietnam. 

Our Role

Supporting the on-ground team and furthering research 
WRS supports both Le Khac Quyet and four research assistants to continue regular monitoring of the Tonkin snub-nosed monkey population and its habitat. Apart from gathering data on a monthly basis, the team collects fecal samples for population genetics and continues to collect data on ranging behaviour, social behaviour and structure, as well as habitat use in Khau Ca. The presence of researchers and local research assistants has also helped to deter encroachment into the protected area by hunters. 

The Impact

Addressing the gap in research and raising awareness 
Quyet and his team’s scientific work has played a key role in addressing the lack of scientific data on the critically endangered Tonkin snub-nosed monkey. The involvement of local researchers has ensured that more members of the community are trained to monitor and protect the Tonkin snub nosed monkey. Through interaction with researchers, local villagers have begun gaining a better understanding of the factors that are critical for the conservation of the species. 

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