荒川河川敷におけるミドリシジミ(<i>Neozephyrus japonicus</i>)の生息するハンノキ林の環境条件 Environmental conditions of <i>Alnus japonica</i> forests (habitat of <i>Neozephyrus japonicus</i>) along Arakawa River, central Japan

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著者

    • 小池 伸介 Koike Shinsuke
    • 東京農工大学大学院連合農学研究科 United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology
    • 岩井 大輔 Iwai Daisuke
    • 財団法人日本生態系協会生態系研究センター Ecosystem Conservation Society JAPAN, Ecological Research Center
    • 高野 徹 Takano Toru
    • 財団法人日本生態系協会生態系研究センター Ecosystem Conservation Society JAPAN, Ecological Research Center

抄録

We investigated the environmental conditions of <i>Alnus japonica</i> forests as <i>Neozephyrus japonicus</i> habitat along the Arakawa-River, Saitama Prefecture, in 2004 and 2005. <i>N. japonicus</i> was observed in 40 of the 87 forests (46.0%). We measured 11 microhabitat characteristics in each forest and compared them to determine the specific requirements of the butterfly. <i>A. japonica</i> forests inhabited by the butterfly were younger, and the total stem diameter and coverage of flowering plants in June and July were larger than those not inhibited. This suggests that younger trees are suitable for larval growth and that flower abundance in June and July is an important factor. Significant negative correlations were detected between average tree age and total stem diameter and coverage of flowering plants, suggesting that more flowering plants are found in younger forests. This also indicates that younger forests are more suitable for the butterfly. The younger <i>A. japonica</i> forest has more flowering plants than mature forest edges. To conserve and maintain butterfly habitat, we recommend that <i>A. japonica</i> trees be cut down periodically and allowed to regenerate. This approach can be expected to promote young <i>A. japonica</i> forests with many flowering plants, suitable for both the larvae and adults.

収録刊行物

  • 野生生物保護

    野生生物保護 11(1), 31-41, 2007

    「野生生物と社会」学会

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各種コード

  • NII論文ID(NAID)
    110006533433
  • 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
    9314000
  • 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  NDL  NII-ELS  J-STAGE 
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