Why Do Black-and-White Snub-Nosed Monkeys Prefer High Elevations in Winter?
Author Information
Author(s): Quan Rui-Chang, Ren Guopeng, Behm Jocelyn E., Wang Lin, Huang Yong, Long Yongcheng, Zhu Jianguo
Primary Institution: Kunming Institute of Zoology, Chinese Academy of Sciences
Hypothesis
Is sunshine variation along elevations the key driving force behind the winter range selection of Rhinopithecus bieti?
Conclusion
The study concluded that sunshine is the main factor influencing the selection of high elevation habitat for Rhinopithecus bieti in winter.
Supporting Evidence
- Monkeys used high altitude ranges between 4100–4400 m in winter despite their yearly home range spanning from 3500–4500 m.
- Solar radiation and sunshine duration increased with elevation while temperature decreased.
- Monkeys preferred areas with high solar radiation and sunshine duration after snowfall.
Takeaway
Monkeys like to stay in high places during winter because they get more sunshine there, which helps them find food faster after it snows.
Methodology
Field surveys were conducted to analyze the relationship between elevation, solar radiation, and sunshine duration in the winter range of the monkeys.
Limitations
The study was limited to a specific geographic area and may not be generalizable to other regions.
Participant Demographics
The study focused on the black-and-white snub-nosed monkey (Rhinopithecus bieti), an endangered species endemic to the Tibetan Plateau.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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