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Factors Predicting Den Use by Maternal Giant Pandas

Factors Predicting Den Use by Maternal Giant Pandas -...

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Factors Predicting Den Use by Maternal Giant Pandas Author(s): Zejun Zhang, Ronald R. Swaisgood, Hua Wu, Ming Li, Yange Yong, Jinchu Hu, Fuwen Wei Reviewed work(s): Source: The Journal of Wildlife Management, Vol. 71, No. 8 (Nov., 2007), pp. 2694-2698 Published by: Allen Press Stable URL: http://www.jstor.org/stable/4496390 . Accessed: 30/11/2011 22:43 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected] Allen Press is collaborating with JSTOR to digitize, preserve and extend access to The Journal of Wildlife Management. http://www.jstor.org
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Research Article Factors Predicting Den Use by Maternal Giant Pandas ZEJUN ZHANG,Key Laboratory ofAnimal Ecology and Conservation Biology, Chinese Academy ofSciences, 25# Beisihuanxilu, Haidian, Beijing 100080, People's Republic of China, and Conservation and Research for Endangered Species, Zoological Society of San Diego, 15600 San Pasqual Valley Road, Escondido, CA 92027-7000, USA RONALD R. SWAISGOOD, Conservation and Researchfor Endangered Species, Zoological Society of San Diego, 15600 San Pasqual Valley Road, Escondido, CA 92027-7000, USA HUA WU, Key Laboratory ofAnimal Ecology and Conservation Biology, Chinese Academy of Sciences, 25# Beisihuanxilu, Haidian, Beiling 100080, People's Republic of China MING LI, Key Laboratory ofAnimal Ecology and Conservation Biology, Chinese Academy ofSciences, 25# Beisihuanxilu, Haidian, Bei'ing 100080, People's Republic of China YANGE YONG, Foping National Nature Reserve, Foping, Shaanxi 723400, People's Republic of China JINCHU HU, Institute of Rare Animals and Plants, China West Normal University, Nanchong, Sichuan 637002, People's Republic of China FUWEN WEI,1 Key Laboratory ofAnimal Ecology and Conservation Biology, Chinese Academy of Sciences, 25# Beisihuanxilu, Haidian, Beijing 100080, People's Republic of China ABSTRACT We studied the denning ecology of giant pandas (Ailuropoda melanoleuca) in the Foping Nature Reserve, China. We identified 17 used and 21 unused cavities of appropriate size to accommodate denning andmeasured several variables potentially affecting the suitability of these cavities for panda denning.Principal component analysis, combined with traditional univariate tests, indicated that maternal females preferred deeper cavities with a high interior-to-entrance ratiofor height andwidth, suggesting a preference for narrow entrances and roomy chambers. Microhabitat features, including slopeanddistance to water, werealso useful in predicting den use by maternal females. We believe that the availability of suitable dens may limit population size, especially in areas where tree denshave beeneliminated by logging of old growth forests. Conservation managers in giant panda reserves
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