Daily Activity Patterns and Co-Occurrence of Duikers Revealed by an Intensive Camera Trap Survey across Central African Rainforests

Houngbegnon, Fructueux; Cornélis, Daniel; Vermeulen, Cédric; Sonké, Bonaventure; Ntie, Stéphan; Fonteyn, Davy; Lhoest, Simon; Evrard, Quentin; Yapi, Fabrice; Sandrin, François; Vanegas, Liliana; Ayaya, Idriss; Hardy, Clément; Bel, Sébastien Le; Doucet, Jean‐Louis

doi:10.3390/ani10122200

Cited by 18 publications

(9 citation statements)

References 57 publications

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“…Camera traps have grown in popularity among researchers investigating activity patterns with adequate behavioral information captured by remote cameras [33]. A number of recent studies have demonstrated the utility of this technique to quantify activity patterns of target species and their interspecific overlaps [34][35][36][37][38][39][40].…”

Section: Introductionmentioning

confidence: 99%

Temporal and Spatial Activity Patterns of Sympatric Wild Ungulates in Qinling Mountains, China

Xue

Liao

et al. 2022

Animals

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Dramatic increases in populations of wild ungulates have brought a new ecological issue in the Qinling mountains. Information on species’ niche differentiation will contribute to a greater understanding of the mechanisms of coexistence, so as to ultimately benefit the conservation and management of ecological communities. In this study, camera trapping was used to investigate spatial and temporal activity patterns of sympatric wild ungulates in the Qinling Mountains of China, where top predators were virtually absent. We obtained 15,584 independent detections of seven wild ungulate species during 93,606 camera-trap days from April 2014 to October 2017. Results showed that (i) the capture rate differed significantly across species, with the capture rate of reeve muntjac being significantly higher than that of other species; (ii) the wild boar had a higher occupancy rates (ψ = 0.888) than other six ungulates, and distance to settlements had a negative relationship with wild boar (β = −0.24 ± 0.17); (iii) the forest musk deer and mainland serow had low spatial overlaps with other five wild ungulates, while spatial overlap indices of any two given pairs of wild ungulates were relatively high; (iv) all wild ungulates species (expect wild boar) were mainly active during crepuscular and diurnal periods, and showed bimodal activity peaks at around 05:00–07:00 and 17:00–19:00; and finally, (v) all wild ungulates showed moderate to high temporal overlaps. The results provided detailed information of the spatial and temporal ecology of wild ungulate communities in forest ecosystems of China, which also would be a guide to establish conservation priorities as well as efficient management programs.

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Section: Introductionmentioning

confidence: 99%

Temporal and Spatial Activity Patterns of Sympatric Wild Ungulates in Qinling Mountains, China

Xue

Liao

et al. 2022

Animals

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“…The use of camera-traps has provided important ecological information concerning the spatiotemporal behavior of wild species, including species of conservation interest [ 4 ], rare/elusive species [ 5 , 6 , 7 ], as well as problematic species requiring management action such as alien species [ 8 , 9 ]. It has been shown that 30–100 independent camera-trap records per species for each season or year may be sufficient to estimate activity rhythms of wildlife, with results comparable to those obtained from GPS or radio-tracked animals [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Spatiotemporal Overlap between the European Brown Hare and Its Potential Predators and Competitors

Viviano

Mori

Fattorini

et al. 2021

Animals

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Analysis of spatiotemporal partitioning is pivotal to shed light on interspecific coexistence. Most research effort has involved large-sized carnivores and their prey, whereas little attention has been devoted to lagomorphs. We assessed spatiotemporal overlap among the European brown hare Lepus europaeus and its potential competitors and predators through camera-trapping in an area in Central Italy. We estimated the interspecific patterns of the spatiotemporal activity rhythms of brown hares, its potential predators (the red fox Vulpes vulpes, the pine marten Martes martes, the domestic cat Felis catus, and the domestic dog Canis familiaris), and a competitor, the roe deer Capreolus capreolus. Brown hare activity was studied in natural conditions as well as in a fenced area that excluded terrestrial predators and competitors. Free-ranging hares developed a more nocturnal behavior to avoid diurnal predators (i.e., domestic carnivores and martens). Although high temporal overlap was observed between free-ranging brown hares and both red foxes (82%) and roe deer (81%), hares avoided fox by being more active on darkest nights, as well as avoided roe deer through spatial partitioning. We suggest that hares may adapt their spatiotemporal behavior to avoid potential predators and competitors.

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“…P. monticola ; Mockrin et al, 2011) and modifications of diel activity patterns. Philantomba monticola , which usually has bimodal daily activity (Dubost, 1980; Bowland & Perrin, 1995; Houngbégnon et al, 2020), exhibited only one activity peak in our study area. This could be interpreted as the species avoiding the hours during which hunters are active, but our data do not allow us to confirm this hypothesis.…”

Section: Discussionmentioning

confidence: 51%

Status of terrestrial mammals in the Yangambi Landscape, Democratic Republic of the Congo

Vliet¹,

Quintero²,

Muhindo³

et al. 2023

Oryx

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In this study we provide the first comprehensive camera-trap assessment of terrestrial mammals in the Yangambi landscape, comprising the Yangambi Biosphere Reserve and a logging concession in the Democratic Republic of the Congo. The terrestrial mammal community in this area exhibits lower occupancy and species richness compared to other conservation areas in the Congo Basin. The community is dominated by four species: Emin's pouched rat Cricetomys emini (1.3 kg), African brush-tailed porcupine Atherurus africanus (2.8 kg), blue duiker Philantomba monticola (5 kg) and bay duiker Cephalophus dorsalis (12 kg), which are known to be highly resilient. Large ungulates and medium-sized carnivores have particularly low abundances. Our study also confirmed the presence of four species categorized as threatened on the IUCN Red List: the chimpanzee Pan troglodytes, giant ground pangolin Smutsia gigantea, black-bellied pangolin Phataginus tetradactyla and white-bellied pangolin Phataginus tricuspis. Our findings highlight the need to consider wildlife conservation at the landscape level, including the logging concession, where species showed higher occupancy levels compared to the Biosphere Reserve, and highlighting the need for planning infrastructure construction and developing mitigation schemes, reducing forest degradation from logging and developing permanent cash crop agriculture. Landscape-level conservation will only be possible if a collaborative management model steered by local communities is developed with the participation of all constituencies.

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Daily Activity Patterns and Co-Occurrence of Duikers Revealed by an Intensive Camera Trap Survey across Central African Rainforests

Cited by 18 publications

References 57 publications

Temporal and Spatial Activity Patterns of Sympatric Wild Ungulates in Qinling Mountains, China

Temporal and Spatial Activity Patterns of Sympatric Wild Ungulates in Qinling Mountains, China

Spatiotemporal Overlap between the European Brown Hare and Its Potential Predators and Competitors

Status of terrestrial mammals in the Yangambi Landscape, Democratic Republic of the Congo

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