Improving the detection rate of binturongs (<i>Arctictis binturong</i>) in Palawan Island, Philippines, through the use of arboreal camera-trapping

Debruille, Agathe; Kayser, Pauline; Veron, Géraldine; Vergniol, Murielle; Perrigon, Melissa

doi:10.1515/mammalia-2019-0113

Cited by 8 publications

(12 citation statements)

References 18 publications

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“…As we set the camera traps to hybrid mode we defined a detection event as a set of two photographs and one 30-s video. To ensure independence between events, we used a minimum interval of 1 h between species-specific detection events (Oliveira-Santos et al, 2008; Debruille et al, 2020).…”

Section: Methodsmentioning

confidence: 99%

Snapshot of the Atlantic Forest canopy: surveying arboreal mammals in a biodiversity hotspot

Kaizer

Alvim²,

Novaes³

et al. 2022

Oryx

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The Atlantic Forest of South America supports a rich terrestrial biodiversity but has been reduced to only a small extent of its original forest cover. It hosts a large number of endemic mammalian species but our knowledge of arboreal mammal ecology and conservation has been limited because of the challenges of observing arboreal species from ground level. Camera trapping has proven to be an effective tool in terrestrial mammal monitoring but the technique has rarely been used for arboreal species. For the first time in the Atlantic Forest, we obtained data on the arboreal mammal community using arboreal camera trapping, focusing on Caparaó National Park, Brazil. We placed 24 infrared camera traps in the forest canopy in seven areas within the Park, operating them continuously during January 2017–June 2019. During this period the camera traps accumulated 4,736 camera-days of footage and generated a total of 2,256 photographs and 30-s videos of vertebrates. The arboreal camera traps were able to detect arboreal mammals of a range of body sizes. The mammal assemblage comprised 15 identifiable species, including the Critically Endangered northern muriqui Brachyteles hypoxanthus and buffy-headed marmoset Callithrix flaviceps as well as other rare, nocturnal and inconspicuous species. We confirmed for the first time the occurrence of the thin-spined porcupine Chaetomys subspinosus in the Park. Species richness varied across survey areas and forest types. Our findings demonstrate the potential of arboreal camera trapping to inform conservation strategies.

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Section: Methodsmentioning

confidence: 99%

Snapshot of the Atlantic Forest canopy: surveying arboreal mammals in a biodiversity hotspot

Kaizer

Alvim²,

Novaes³

et al. 2022

Oryx

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“…Camera traps are typically designed for terrestrial use, and therefore, the motion detection band(s) often lie in the lower portion of the field of view (Debruille et al, 2020). This means that cameras placed in arboreal settings risk inadvertently misaligning the detection band with the trunk, branch or pathway of interest.…”

Section: Camera Settings For Arboreal Studiesmentioning

confidence: 99%

“…Cameras are placed at a wide variety of heights, ranging from just 1–2 m to study activity on shrubs or low tree trunks (e.g. Debruille et al., 2020; Kierulff et al., 2004; Mella et al., 2018) to more than 30 m high in the forest canopy (e.g. Gregory et al., 2014; Whitworth et al., 2016).…”

Section: The What Where and Why Of Arboreal Camera Trappingmentioning

confidence: 99%

“…Perhaps the most important consideration when trying to maximize detections in arboreal camera trap studies is placing the area of expected activity within the camera's PIR motion detection band. Camera traps are typically designed for terrestrial use, and therefore, the motion detection band(s) often lie in the lower portion of the field of view (Debruille et al., 2020). This means that cameras placed in arboreal settings risk inadvertently misaligning the detection band with the trunk, branch or pathway of interest.…”

Section: Setting Up An Arboreal Camera Studymentioning

confidence: 99%

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The potential and practice of arboreal camera trapping

et al. 2021

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1. Arboreal camera trapping is a burgeoning method providing a novel and effective technique to answer research questions across a variety of ecosystems, and it has the capacity to improve our understanding of a wide range of taxa. However, while terrestrial camera trapping has received much attention, there is little guidance for dealing with the unique challenges of working in the arboreal realm.2. Our review draws on the expertise of researchers from six continents and the broader literature to investigate the advantages and disadvantages of arboreal camera trapping, and challenges to consider when using this technology. We also include mini-guides with detailed information on the current arboreal camera trap literature, mounts used to install arboreal cameras, tree climbing pointers and safety tips, methods for deploying cameras without climbing, and tips for managing interference with camera function.3. We find that arboreal camera traps have been most commonly used in the study of mammals in forests; however, there is potential for this method to be applied to a broad range of habitats including urban areas, and taxa such as birds, amphibians, invertebrates, and plants. Methods in arboreal camera trapping could be improved by developing a greater understanding of the factors affecting detection of species. The most common challenges of arboreal camera trapping are camera placement and camera site access. These can be overcome by understanding correct camera orientation, managing potential sources of interference in front of cameras, utilizing appropriate cameras mounts and training researchers properly. | 1769Methods in Ecology and Evoluঞon MOORE Et al.

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“…They are semi-arboreal and mostly frugivorous, spending much of their time resting and feeding in the canopy of fig trees. They also consume smaller amounts of other fruits, leaves, birds, carrion and fish (Lambert, 1990; Lambert et al, 2014; Semiadi et al, 2016; Nakabayashi et al, 2017; Nakabayashi & Ahmad, 2018; Debruille et al, 2020; Nakabayashi, 2020). Binturongs disperse a wide diversity of figs, including effective digestion and defecation of hemiepiphytes (strangler figs).…”

Section: Introductionmentioning

confidence: 99%

Binturong ecology and conservation in pristine, fragmented and degraded tropical forests

Honda

Amir

Mendes

et al. 2023

Oryx

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The persistence of seed-dispersing animals in degraded habitats could be critical for ensuring the long-term conservation value and restoration of forests. This is particularly important in Southeast Asia, where > 70% of the remaining forest areas are within 1 km of a forest edge, and many are degraded (e.g. logged). We synthesized information on the habitat associations of the binturong Arctictis binturong, a large, semi-arboreal, frugivorous civet and one of the most important seed dispersers in the region, especially for figs (Ficus spp). We adopted a multiscale approach by employing ensemble species distribution modelling from presence-only records, assessing landscape-scale variation in detection rates in published camera-trap studies and using hierarchical occupancy modelling to assess local (i.e. within-landscape) patterns observed from 20 new camera-trap surveys. Contrary to prior reports that binturongs are strongly associated with intact forests, the species was equally present in degraded forests and near forest edges where sufficient forest cover was maintained (> 40% forest cover within a 20-km radius). The species also tolerates moderate incursions of oil palm plantations (< 20% of the area within a 20-km radius covered by oil palm plantations). The relative resilience of binturongs to habitat degradation could be in part because of behavioural adaptations towards increased nocturnal activity. These results support the notion that key seed dispersers can persist and maintain their ecological function in degraded forests.

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Improving the detection rate of binturongs (Arctictis binturong) in Palawan Island, Philippines, through the use of arboreal camera-trapping

Cited by 8 publications

References 18 publications

Snapshot of the Atlantic Forest canopy: surveying arboreal mammals in a biodiversity hotspot

Snapshot of the Atlantic Forest canopy: surveying arboreal mammals in a biodiversity hotspot

The potential and practice of arboreal camera trapping

Binturong ecology and conservation in pristine, fragmented and degraded tropical forests

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