Habitat selection and patterns of habitat use in a group of François' langurs (<i>Trachypithecus francoisi</i>) in Nonggang, Guangxi, China

Ting, 陈婷 Chen; Zhonghao, 黄中豪 Huang; Chengming, 黄乘明 Huang; Qihai, 周岐海 Zhou; Hua, 韦华 Wei

doi:10.5846/stxb201807011444

Cited by 3 publications

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“…Wild langurs are typically folivorous (Huang et al, 2010) and use cliffs as their sleeping sites (Chen et al, 2019). During the study period, these langurs predominantly consumed leaves (91.3% in the feeding record) and fruits (6.35%) (unpublished data).…”

Section: Study Sites and Fecal Sample Collectionmentioning

confidence: 98%

“…There are also a number of provisioned individuals living in captive conditions for the purpose of wild population recovery. Previous studies focus on the behavioral ecology of the François' langurs, investigating their adaptation to karst forests from the perspective of behavioral strategies, including dietary composition (Huang et al, 2010), nutrient content of foods (Liu et al, 2016), habitat use (Chen et al, 2019), and activity budget (Liu and Bhumpakphan, 2020). François' langurs are typical leaf-feeding primates (Huang et al, 2010).…”

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confidence: 99%

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Captivity restructures the gut microbiota of François' langurs (Trachypithecus francoisi)

Mo,

Li,

Liu

et al. 2023

Front. Microbiol.

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Gut microbiota is crucial to primate survival. Data on the gut microbiota of captive and wild animals can provide a physiological and ecological basis for the conservation of rare and endangered species. To study the effect of captivity on the gut microbiota, we examine the difference in the gut microbiota composition between captive and wild Francois' langurs (Trachypithecus francoisi), using 16S rRNA sequencing technology. The results showed that the composition of the gut microbiota of captive and wild langurs was characterized by Firmicutes (51.93 ± 10.07% vs. 76.15 ± 8.37%) and Bacteroidetes (32.43 ± 10.00% vs. 4.82 ± 1.41%) at the phylum level and was characterized by Oscillospiraceae (15.80 ± 5.19% vs. 30.21 ± 4.87%) at the family level. The alpha diversity of gut microbiota in captive langurs was higher than those in wild, such as the Shannon index (4.45 ± 0.33 vs. 3.98 ± 0.19, P < 0.001) and invSimpson index (35.11 ± 15.63 vs. 19.02 ± 4.87, P < 0.001). Principal coordinates analysis (PCoA) results showed significant differences in the composition of gut microbiota between captive and wild langurs at both the phylum and family levels (weight UniFrac algorithm, phylum level: R2 = 0.748, P = 0.001; family level: R2 = 0.685, P = 0.001). The relative abundance of Firmicutes (51.93 ± 10.07%) in captive langurs was lower than that of wild langurs (76.15 ± 8.37%), and the relative abundance of Bacteroidetes (32.43 ± 10.00%) in captive langurs was higher than that of wild (4.82 ± 1.41%). Our study concludes that dietary composition could be a crucial determinant in shaping the gut microbiota of langurs because more fiber-rich foods used by the wild langurs could increase the abundance of Firmicutes, and more simple carbohydrate-rich foods consumed by the captive langurs increase the abundance of Bacteroidetes. We highlight the importance of captivity on the gut microbiota and the need to consider the gut microbiota in animal provision.

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Section: Study Sites and Fecal Sample Collectionmentioning

confidence: 98%

mentioning

confidence: 99%

Captivity restructures the gut microbiota of François' langurs (Trachypithecus francoisi)

Mo,

Li,

Liu

et al. 2023

Front. Microbiol.

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Habitat use of the white‐headed langurs in limestone forest of Southwest Guangxi, China: Seasonality and group size effects

Liu

Zhang

et al. 2022

Ecology and Evolution

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Understanding how animals cope with habitat‐specific environmental factors can assist in species conservation management. We studied the habitat use of four groups (two large and two small groups) of white‐headed langurs (Trachypithecus leucocephalus) living in the forest of southwest Guangxi, China between September 2016 and February 2017 via instantaneous scan sampling. Our results showed that the langurs primarily used hillsides (55.91% ± 6.47%), followed by cliffs (29.70% ± 5.48%), hilltops (7.26% ± 3.55%), flat zones (6.99% ± 6.58%), and farmlands (0.14% ± 0.28%). The langurs moved most frequently on hillsides (49.35% ± 6.97%) and cliffs (35.60% ± 9.17%). The hillsides were more frequently used (66.94% ± 7.86%) during feeding, and the langurs increased the use of hilltops during the rainy season, and the use of cliffs in the dry season. The langurs frequently rested on hillsides (49.75% ± 8.16%) and cliffs (38.93% ± 8.02%). The larger langur group used cliffs more frequently when moving and resting, whereas the small langur group used hillsides more frequently while resting. Langurs in all groups avoided the flat zones for feeding. Their use of habitat reflected the balancing of foraging needs, thermoregulation, and predator avoidance. We conclude that the ecological factors are determinants of habitat use for white‐headed langurs. Our findings suggest that conservation efforts should focus on protecting the vegetation on the hillsides and restoring the vegetation on the flat zones.

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Environmental determinants of the diets in François’ langurs ( Trachypithecus francoisi )

Chen,

Lai,

Zhang

et al. 2024

Ethology Ecology & Evolution

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Habitat selection and patterns of habitat use in a group of François' langurs (Trachypithecus francoisi) in Nonggang, Guangxi, China

Cited by 3 publications

References 0 publications

Captivity restructures the gut microbiota of François' langurs (Trachypithecus francoisi)

Captivity restructures the gut microbiota of François' langurs (Trachypithecus francoisi)

Habitat use of the white‐headed langurs in limestone forest of Southwest Guangxi, China: Seasonality and group size effects

Environmental determinants of the diets in François’ langurs ( Trachypithecus francoisi )

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