北海道東部地方のキタキツネの齢構成 A PRELIMINARY STUDY OF THE AGE STRUCTURE OF THE RED FOX IN EASTERN HOKKAIDO

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Author(s)

    • 前川 光司 MAEKAWA Koji
    • 北海道大学歯学部口腔解剖学第一教室 Department of Oral Anatomy, School of Dentistry, Hokkaido University
    • 米田 政明 YONEDA Masaaki
    • 北海道大学 農学部 応用動物学教室 Institute of Applied Zoology, Faculty of Agriculture, Hokkaido University
    • 富樫 洋 TOGASHI Hiroshi
    • 北海道大学 農学部 応用動物学教室 Institute of Applied Zoology, Faculty of Agriculture, Hokkaido University

Abstract

The age composition of 362 red foxes, Vulpes vulpes shrencki KISHIDA, which were collected in eastern Hokkaido during the autumn and winter of 1970-1973,was determined by examination of the annual layers of canine tooth cementum and the fusion of the cranial sutures. The average percentage of individuals younger than 1 year old was 67% during the three-year study period. Some of the red foxes survived longcr in eastern Hokkaido than in other districts. The survivorship curve was estimated for the population surveyed.

Journal

  • JAPANESE JOURNAL OF ECOLOGY

    JAPANESE JOURNAL OF ECOLOGY 30(2), 103-108, 1980

    The Ecological Society of Japan

Codes

  • NII Article ID (NAID)
    110001881585
  • NII NACSIS-CAT ID (NCID)
    AN00193852
  • Text Lang
    ENG
  • ISSN
    0021-5007
  • NDL Article ID
    2184294
  • NDL Source Classification
    RA48(生態--動物)
  • NDL Source Classification
    ZR3(科学技術--生物学--植物)
  • NDL Call No.
    Z18-43
  • Data Source
    NDL  NII-ELS  J-STAGE 
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