Temporal niche patterns of large mammals in Wanglang National Nature Reserve, China

Tian, Cheng; Zhang, Yuyang; Liu, Zheng-Xiao; Dayananda, Buddhi; Fu, Xiaobo; Yuan, Dong; Tu, Zheng-Bin; Chunping, Luo; Li, Junqing

doi:10.1016/j.gecco.2020.e01015

Cited by 6 publications

(5 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Diurnal time boundaries were determined by calculating the average sunrise/sunset time from all black bear detections before and after hibernation. Overlap estimates were made for black bears before and after hibernation as well as for the different types of human activity using the overlap coefficient (Δ), which is scaled from 0 to 1, where (Δ = 1) signifies complete overlap 43 , 44 , 47 . We also investigated the effect of cub presence on black bear daily activity patterns to determine if their presence contributed to significant changes in activity, but given the smaller sample size of cub detections, we calculated this metric using combined data for both the before and after hibernation 48 .…”

Section: Discussionmentioning

confidence: 99%

“…After completion of subject identification, which included 10 volunteers identifying the given animal and completing several additional tasks (i.e., number of individuals, adult or young, behavior, male or female) we pulled all subjects with at least 50% of volunteers identifying a black bear for further review. Following our expert review, we created independent wildlife observations or detections which were determined using a 30-min interval between sightings of the same species 43 , 44 . For consistency, this method was used for both black bears and human related detections, noting that on heavily traveled human trails there may have been different individual humans passing within 30 min of each other.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Human recreation impacts seasonal activity and occupancy of American black bears (Ursus americanus) across the anthropogenic-wildland interface

Hubbard

Cove

Lafferty

2022

Sci Rep

View full text Add to dashboard Cite

Protected areas serve an important role in wildlife conservation, yet most wildlife occur outside these areas, subject to varying degrees of human disturbance. In the Upper Peninsula of Michigan, American black bears (Ursus americanus), a highly mobile, opportunistic species, are common despite an extensive outdoor recreation industry with the potential to affect black bear spatial and temporal activity. We investigated how environmental and anthropogenic factors influence black bear occupancy, detection, and diel activity patterns across the anthropogenic–wildland interface before and after hibernation. Using 30 camera traps deployed across a rural–wildland interface, we captured black bears at 23 camera sites (~ 77%), which exhibited co-occurrence with humans at 10 sites (~ 33%), revealing that human presence and human population density exert negative effects on black bear seasonal occupancy. Bears were more nocturnal during the hunting season, before hibernation. Human recreational activity increased ~ 38% after hibernation, but bear diurnal activity also increased ~ 36%, except when cubs were present. Our results suggest bears prioritize avoiding humans spatially, rather than temporally, except during the hunting season and when cubs are present. Understanding black bear responses to human recreation patterns and environmental variation is essential for minimizing human-mediated disturbance, and fueling conservation efforts of large, charismatic carnivores.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Human recreation impacts seasonal activity and occupancy of American black bears (Ursus americanus) across the anthropogenic-wildland interface

Hubbard

Cove

Lafferty

2022

Sci Rep

View full text Add to dashboard Cite

show abstract

“…The habitat usage and daily activity trends of livestock and giant panda typically overlap [ 4 , 22 , 42 , 43 ]. Furthermore, livestock travel longer distances each day compared to giant panda [ 5 ], with a greater activity intensity and active time [ 6 , 19 ].…”

Section: Discussionmentioning

confidence: 99%

Integrating Livestock Grazing and Sympatric Takin to Evaluate the Habitat Suitability of Giant Panda in the Wanglang Nature Reserve

Chen

Wang

et al. 2021

Animals

View full text Add to dashboard Cite

Habitat suitability provides essential information for the management of protected species. However, studies that jointly consider the impacts of human disturbance and sympatric animals in habitat suitability assessments of giant panda are limited, which may overestimate the habitat status. To address this issue, we evaluated the habitat suitability of giant panda in Wanglang Nature Reserve by simultaneously investigating livestock grazing and sympatric takin via MAXENT, a new attempt at the assessment of the habitat suitability of giant panda. We focused on describing the habitat suitability of giant panda and determining the habitat overlap between livestock, takin, and panda to evaluate the impacts of livestock grazing and sympatric takin on the suitable giant panda habitat. Results revealed that only 16.33% of the area in Wanglang was suitable giant panda habitat, of which 67.66% was shared by livestock, and 97.99% of the remaining suitable panda habitat not shared by livestock was revealed to be shared by takin. The results indicate an unfavorable habitat status of giant panda in Wanglang, with the potential extensive habitat overlap between livestock, takin and panda exerting further pressure. Thus, to effectively protect giant pandas and their habitats, grazing activity should be controlled. Furthermore, to accurately protect sympatric animals, the monitoring of panda and takin activities in the overlapping areas must be maintained.

show abstract

“…We bootstrapped the samples 1000 times to evaluate the statistical significance at a 95% confidence interval (CI). Using a comparative gradation scale, we compared the differences in activity patterns of brown palm civets in different protected areas (see Linkie & Ridout, 2011;Lynam et al, 2013;Tian et al, 2020;Shankar et al, 2020 for more details).…”

Section: Activity Pattern and Coat Colour Variantsmentioning

confidence: 99%

Phenotypic variations, habitat suitability, and diel activity of the endemic brown palm civets

Shameer¹,

Backer²,

Yogesh³

et al. 2021

Geology, Ecology, and Landscapes

View full text Add to dashboard Cite

The natural distribution and the species ecology of the lesser-known nocturnal endemic brown palm civet in the Western Ghats are definite. We used camera trap data from the Western Ghats to predict the suitable niche, coat colour pattern, and diel activity. The environmental variables like rainfall, elevation, isothermaility, tree density, and tree height profoundly influence the brown palm civet's habitat suitability. We determined that the most suitable habitat area in the entire Western Ghats is 21,853 km 2 , in four well-defined isolated blocks. The brown palm civet distribution is more towards the south, ranging from Kakkad to Anamalai. The distribution on the north side is in the Nilgiris, Bhadra, and the Sahyadri. The diel activity pattern indicates that the species is nocturnal, with activity peak in the early night and ending in the early morning, and is nearly identical in different landscapes. The species has a variety of coat patterns, which we believe is due to phenotypic plasticity. The species is not a true high altitude montane shola-dependent species, unlike the other endemic species of the Western Ghats. The destruction of rainforests resulting from excessive anthropogenic pressure results in habitat fragmentation, posing a significant threat to the brown palm civet habitats.

show abstract

Temporal niche patterns of large mammals in Wanglang National Nature Reserve, China

Cited by 6 publications

References 52 publications

Human recreation impacts seasonal activity and occupancy of American black bears (Ursus americanus) across the anthropogenic-wildland interface

Human recreation impacts seasonal activity and occupancy of American black bears (Ursus americanus) across the anthropogenic-wildland interface

Integrating Livestock Grazing and Sympatric Takin to Evaluate the Habitat Suitability of Giant Panda in the Wanglang Nature Reserve

Phenotypic variations, habitat suitability, and diel activity of the endemic brown palm civets

Contact Info

Product

Resources

About