Efficacy of camera traps in detecting primates in Hue Saola Nature Reserve
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ORIGINAL ARTICLE
Efficacy of camera traps in detecting primates in Hue Saola Nature Reserve Anh Tuan Nguyen1 · Thanh Van Nguyen2,3 · Robert Timmins4 · Philip McGowan5 · Thang Van Hoang2 · Minh Duc Le1,2 Received: 9 April 2019 / Accepted: 22 April 2020 © Japan Monkey Centre and Springer Japan KK, part of Springer Nature 2020
Abstract Camera trapping has been demonstrated to be an effective tool in surveying a suite of species, especially elusive mammals in rough terrains. The method has become increasingly common in primate surveys for both ground-dwelling and arboreal taxa in many tropical regions of the world. However, camera trapping has rarely been used to inventory primates in Vietnam, although many species are under severe threats and in critical need of surveying for improved conservation measures. In this study, we employed camera trapping to primarily investigate the possible continued presence of galliform species, but also to opportunistically record primate species, in Hue Saola Nature Reserve in central Vietnam. We documented five primate species, including the northern pig-tailed macaque Macaca leonina, the stump-tailed macaque Macaca arctoides, the rhesus macaque Macaca mulatta, the pygmy slow loris Nycticebus pygmaeus, and the red-shanked douc Pygathrix nemaeus, which represents a majority of primate diversity in the reserve. The results show that camera trapping may be an option for documenting primate diversity, and seasonal and daily activities of ground-dwelling taxa. Our data also suggest that although human disturbance is still rampant in the area, Hue Saola Nature Reserve appears to be reasonably well protected compared to other conservation areas in Indochina. In particular, it is home to several highly threatened primates, and it therefore plays a crucial role in primate conservation in Vietnam. However, these populations are in need of greater protection, such as more targeted patrols to remove snares and prevent other violations. Keywords Hue Saola Nature Reserve · Camera trap · Primates · Vietnam · The Annamites
Introduction
* Minh Duc Le [email protected] 1
Department of Environmental Ecology, Faculty of Environmental Science, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan District, Hanoi, Vietnam
2
Central Institute for Natural Resources and Environmental Studies, Vietnam National University, Hanoi, 19 Le Thanh Tong, Hanoi, Vietnam
3
Department of Ecological Dynamics, Leibniz Institute for Zoo and Wildlife Research, Alfred‑Kowalke‑Straße 17, 10315 Berlin, Germany
4
1123 Monroe Street, Evanston, IL 60202, USA
5
School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
Vietnam is well known for its extraordinary yet understudied biodiversity wealth (Sterling et al. 2006). However, similar to other Southeast Asian countries, it is experiencing an epidemic of deforestation, habitat loss, and overhunting to supply wildlife trade networks (Sodhi et al. 2010; Woodruff 2010; Duck
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