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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) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||||||||||||
| タイトル | Demographic study of a large-sized unit-group of chimpanzees in the mahale mountains, Tanzania: A preliminary report | |||||||||||
| 言語 | en | |||||||||||
| 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 | |||||||||||
