Feeding habit analysis of an Asiatic black bear that attacked on humans in Mt. Norikura by stable isotopes

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  • Nakashita Rumiko
    Shinshu Black Bear Research Group, NPO Japan Certification Services, Inc. Present address: Forestry and Forest Products Research Institute
  • Suzuki Yaeko
    Japan Certification Services, Inc.
  • Hayashi Hidetake
    Shinshu Black Bear Research Group, NPO
  • Izumiyama Shigeyuki
    Shinshu Black Bear Research Group, NPO Education and Research Center of Alpine Field Science, Faculty of Agriculture, Shinshu University
  • Nakagawa Kousuke
    Faculty of Applied Biological Sciences, Gifu University
  • Yayota Chizuru
    Doctoral Course of the United Graduate School of Veterinary Sciences, Gifu University
  • Asano Makoto
    Faculty of Applied Biological Sciences, Gifu University
  • Suzuki Masatsugu
    Faculty of Applied Biological Sciences, Gifu University

Bibliographic Information

Other Title
  • 乗鞍岳畳平で人身事故を引き起こしたツキノワグマの食性履歴の推定
  • 乗鞍岳畳平で人身事故を引き起こしたツキノワグマの食性履歴の推定--安定同位体分析による食性解析
  • ノリクラダケ タタミダイラ デ ジンシン ジコ オ ヒキオコシタ ツキノワグマ ノ ショクセイ リレキ ノ スイテイ アンテイ ドウイタイ ブンセキ ニ ヨル ショクセイ カイセキ
  • ―安定同位体分析による食性解析―

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Carbon and nitrogen stable isotope ratios (δ13C and δ15N) were measured in hair samples from an Asiatic black bear (Ursus thibetanus) that mauled 10 humans at a bus station on the west slope of Mt. Norikura, in Gifu Prefecture, Central Japan on September 19th, 2009. Our objective was to examine the feeding history of the bear. The δ13C and δ15N values of the hair were similar to those of natural bears living in that area of the Northern Japan Alps, refuting all suspicion that this bear may have been a garbage habituated bear.<br>

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