京都市岩倉に棲息するハタネズミの繁殖状況 REPRODUCTION OF JAPANESE FIELD VOLES, MICROTUS MONTEBELLI (MILNE-EDWARDS), AT IWAKURA, KYOTO, JAPAN

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抄録

Reproduction of Microtus montebelli inhabiting cultivated lands was studied bi-monthly during the period from May, 1971 to March, 1972. The population was characterized by two main breeding seasons, in spring and fall, with sporadic breeding during winter. The average embryosize per pregnant female, based on 40 specimens captured during one year, was 5.1. The largest mean embryo-size appeared in September. The pattern of change in the male breeding rate and mean testis length showed similarities to that in female breeding rate, pregnancy rate and mean embryo-size. From the comparison of the breeding season in Kyoto with that in other localities, it is suggested that high temperature exerted a restraining influence on the breeding of the vole in summer. The seasonal change of embryo-size in Kyoto differed from that in Iwate. The reasons for the difference are discussed.

収録刊行物

  • 日本生態学会誌

    日本生態学会誌 26(2), 107-114, 1976

    一般社団法人 日本生態学会

各種コード

  • NII論文ID(NAID)
    110001881538
  • NII書誌ID(NCID)
    AN00193852
  • 本文言語コード
    ENG
  • ISSN
    0021-5007
  • NDL 記事登録ID
    1717015
  • NDL 刊行物分類
    RA48(生態--動物)
  • NDL 雑誌分類
    ZR3(科学技術--生物学--植物)
  • NDL 請求記号
    Z18-43
  • データ提供元
    NDL  NII-ELS  J-STAGE 
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