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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 28, No. 2, 2007, pp. 179-185
Bioline Code: zr07030
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 28, No. 2, 2007, pp. 179-185

 en Habitat Use of the Hoolock Gibbon ( Hoolock hoolock check for this species in other resources ) at Nankang, Mt. Gaoligong in Spring
BAI, Bing; ZHOU, Wei1; AI, Huai-sen; LI, Zheng-bo; ZHANG, Xing-yong & HU, Cheng-gui1


During field surveys of habitat use behaviours of Hoolock gibbons ( Hoolock hoolock check for this species in other resources ), 30 used sites and 30 corresponding available sites were established in Nankang, Mt. Gaoligong, from 24th March to 6th May, 2006. Results indicated that Hoolock gibbons tended to inhabit eastern slopes (Ei=0.344) as they were relatively windproof. They also favoured the tree species Querucus acutissima check for this species in other resources (Ei=0.455) and Eurya pseudocerasifera check for this species in other resources (Ei=0.068) for their large crown, as they provide more continual movement routes and large spaces for the gibbons, compared with other plant species. Quantitative factors showed that a total of 12 factors (slope; average tree and bamboo height, average circumference of tree at breast height (ACTBH); tree and shrub coverage; tree, bamboo and lianas density; and distance to water, roads and fields of Fructus amom), were significantly different between used and available sites, which revealed high selectivity to the spatial structure of habitats. Stepwise discriminant analysis showed that slope, ACTBH, bamboo density, distance to water and average tree height were the key factors, discriminating used sites from available sites, accounting for 98.3% of correct classifications. Optimal habitats of the arboreal Hoolock gibbon were characterized by having connected crowns of tall trees (14.14±3.19 m) with large basal area (ACTBH: 90.72±26.12 cm), steep slopes and high bamboo density, providing reduced ground disturbance and plentiful food for Hoolock gibbons in spring.

Hoolock gibbon (Hoolock hoolock), Habitat use, Gaoligongshan National Nature Reserve

© Copyright 2007 Kunming Institute of Zoology, the Chinese Academy of Sciences
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