ケラマジカ(<i>Cervus nippon keramae</i>)の食性 : 糞分析および食痕調査から Food habits of Kerama deer (<i>Cervus nippon keramae</i>) based on fecal analysis and feeding mark investigation

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著者

    • 山城 考 Yamashiro Tadashi
    • 東北大学大学院理学研究科生物学専攻|現所属:徳島大学総合科学部自然システム学科 Biological Institute, Graduate School of Science, Tohoku University|Present address: Department of Life Science, Faculty of Integrated Arts and Sciences, The University of Tokushima
    • 土肥 昭夫 [他] Doi Teruo
    • 九州大学大学院理学研究院生物科学部門|現所属:長崎大学環境科学部 Department of Biology, Faculty of Science, Kyushu University|Present address: Faculty of Environmental Studies, Nagasaki University
    • 伊澤 雅子 Izawa Masako
    • 琉球大学理学部海洋自然科学科 Department of Biology, Faculty of Science, the University of Ryukyus
    • 遠藤 晃 Endo Akira
    • 科学技術振興事業団|現所属:佐賀大学大学院農学研究科 Japan Science and Technology Corporation|Present address: Department of Applied Biological Sciences, Faculty of Agriculture, Saga University

抄録

The food habits of the Kerama deer (<i>Cervus nippon keramae</i>) were investigated on the basis of feeding mark observations in the field, as well as fecal analysis. The feeding mark investigation found 118 plant species were eaten by the Kerama deer: 7 ferns, 23 woody plants, 35 forbs, 42 graminoids (Gramineae, Cyperaceae), and 11 non-graminoid monocots. With graminoids, many feeding marks were found on young leaves and reproductive organs. In the fecal analysis, the proportions of five plant categories (ferns, woody plants, forbs and non-graminoid monocots) dominated throughout the year at forest site, but the proportion of graminoids varied according to season at the marsh site. At marsh sites, the proportion of graminoids began to increase in March and was highest in August. These results suggest that the Kerama deer selectively eat high quality parts of graminoids. On this point, food habits of Kerama deer are quite different from those of Sika deer populations in northern Japan, where the proportion of graminoids increases in winter due to the lack of food. The study concluded that the food habits of the Kerama deer were the concentrate selector (CS) type.

収録刊行物

  • 野生生物保護

    野生生物保護 9(1), 47-61, 2004

    「野生生物と社会」学会

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各種コード

  • NII論文ID(NAID)
    110004850872
  • NII書誌ID(NCID)
    AA11473258
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    1341-8777
  • NDL 記事登録ID
    7802055
  • NDL 雑誌分類
    ZR4(科学技術--生物学--動物)
  • NDL 請求記号
    Z18-B387
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  J-STAGE 
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