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Food habits and hunting patterns of Tibetan brown bear during warm seasons in Kekexili region on Qinghai-Tibetan Plateau

XU Ai-Chun JIANG Zhi-Gang LI Chun-Wang CAI Ping

XU Ai-Chun, JIANG Zhi-Gang, LI Chun-Wang, CAI Ping. Food habits and hunting patterns of Tibetan brown bear during warm seasons in Kekexili region on Qinghai-Tibetan Plateau. Zoological Research, 2010, 31(6): 670-674. doi: 10.3724/SP.J.1141.2010.06670
Citation: XU Ai-Chun, JIANG Zhi-Gang, LI Chun-Wang, CAI Ping. Food habits and hunting patterns of Tibetan brown bear during warm seasons in Kekexili region on Qinghai-Tibetan Plateau. Zoological Research, 2010, 31(6): 670-674. doi: 10.3724/SP.J.1141.2010.06670

青藏高原可可西里地区藏棕熊暖季食性及采食行为模式

doi: 10.3724/SP.J.1141.2010.06670
基金项目: 浙江省自然基金(Y5090080), 中国科学院知识创新工程重要方向项目(KSCX2-EW-Z-4), 国家科技支撑项目(2007BAC03A08-4)
详细信息
    作者简介:

    徐爱春,男,博士,动物生态学和保护生物学方向,springlover@cjlu.edu.cn

    通讯作者:

    蒋志刚

  • 中图分类号: Q959.838; Q959.838.08

Food habits and hunting patterns of Tibetan brown bear during warm seasons in Kekexili region on Qinghai-Tibetan Plateau

More Information
    Author Bio:

    XU Ai-Chun,email:springlover@cjlu.edu.cn

    Corresponding author: JIANG Zhi-Gang
  • 摘要: 藏棕熊 (Ursus arctos pruinosus)是青藏高原特有的棕熊亚种, 作者曾对该地区藏棕熊夏季食性进行了初步报道(Xu et al, 2006), 然而, 藏棕熊的采食行为模式一直未见报道。2009年7—8月, 作者又对可可西里地区藏棕熊食性及采食行为模式做了补充调查研究, 对两次考察所获得的数据进行了整合分析, 研究结果表明, 该地区藏棕熊主要以动物性食物为主, 其中, 高原鼠兔(Ochotona curzoniae)的相对频次为37.3%和干物质量为44.7%, 下同); 野牦牛(Bos grunniens)分别为18.7%和30.2%; 藏羚(Pantholops hodgsoni)分别为15.0%和16.2%。藏棕熊在可可西里地区有两种采食行为模式:主动捕食高原鼠兔和采食藏羚、藏原羚和野牦牛尸体。观察期间藏棕熊约用10%的时间挖掘高原鼠兔的洞穴捕捉高原鼠兔, 但未见藏棕熊主动捕食大型哺乳动物。粪样分析结果发现, 藏棕熊主动捕食的高原鼠兔和喜马拉雅旱獭(Marmota himalayana)和通过食腐方式获得的藏羚、藏原羚和野牦牛的生物量基本相等。
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出版历程
  • 收稿日期:  2010-09-04
  • 修回日期:  2010-10-27
  • 刊出日期:  2010-12-22

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