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Demographic study of a large-sized unit-group of chimpanzees in the mahale mountains, Tanzania: A preliminary report
https://ir.soken.ac.jp/records/3831
https://ir.soken.ac.jp/records/38319a9835d7-9373-465b-a95c-662978c3b028
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-07-30 | |||||
タイトル | ||||||
タイトル | Demographic study of a large-sized unit-group of chimpanzees in the mahale mountains, Tanzania: A preliminary report | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Demographic study of a large-sized unit-group of chimpanzees in the mahale mountains, Tanzania: A preliminary report | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
HIRAI-HASEGAWA, Mariko
× HIRAI-HASEGAWA, Mariko× HASEGAWA, Toshikazu× NISHIDA, Toshisada |
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著者別名 |
長谷川, 眞理子
× 長谷川, 眞理子 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Long-term demographic observations on a large-sized unit-group of chimpanzees in the Mahale Mountains, Tanzania, are summarized. The unit-group, the M group, contains over 100 individuals, which makes it the largest unit-group ever reported. The age-sex composition, natality, mortality and transfers of the M group are analyzed. An attempt is made to illustrate an age-sex pyramid of the group by estimating the ages of all the individuals in the group. The results reveal that: (1) the mortality rate of the male infants within 1 year almost doubled that of female infant; (2) adult male to adult female ratio of the M group is considerably higher than any other unit-groups elsewhere; and (3) the M group contains a relatively large number of old animals over 40 years of age, suggesting that the longevity of wild chimpanzees might be greater than estimated so far. | |||||
書誌情報 |
Primates en : Primates 巻 25, 号 4, p. 401-413, 発行日 1984-10 |
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出版者 | ||||||
出版者 | SpringerLink | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00328332 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/BF02381663 | |||||
関連名称 | 10.1007/BF02381663 | |||||
権利 | ||||||
権利情報 | © 1984 Japan Monkey Centre |