Life-hisory of senile Primates and its Sociobiology

老年灵长类动物的生活史及其社会生物学

• 批准号: 07640952
• 负责人: SUGIYAMA Yukimaru
• 金额: $ 1.15万
• 依托单位: KYOTO UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07640952/
• 关键词: Japanese macaque (Macaca fuscata); Chimpanzee (Pan troglodytes verus); Senile; Activity; Sociality; Reproductive parameter; パタスザル; アクティビティ; 社会的環境

1.Social behavior and reproductive parameters of free-ranging senile Japanese macaques (Macaca fuscata at Takasakiyama) and West African chimpanzees (Pan troglodytes verus at Bossou, Guinea) have been studied. Activity of senile female macaque goes down but her sociality doesn't decrease because daughters and other younger females aproach to groom her. Reproductive rate gradually decreases but lasts util 22-3 years old and suddenly drops. Females still survive another 4 or 5 years. Activity of senile female chimpanzee of more than 40 years old doesn't look change but she travels mostly with her family group and rarely does alone. Reproductive rate slightly decreases after 35 years old but lasts over 40.

1.对自由放养的老年日本猕猴（高崎山的Macaca fuscata）和西非黑猩猩（几内亚博苏的Pan troglodytes verus）的社会行为和生殖参数进行了研究。老年雌性猕猴的活动量下降，但她的社交性并没有降低，因为女儿和其他年轻雌性猕猴会过来给她梳理毛发。生育率逐渐下降，但持续到22-3岁，然后突然下降。雌性还能再存活四五年。 40多岁的老年雌性黑猩猩的活动看起来没有变化，但她大多与家人一起旅行，很少单独行动。 35岁以后，生育率略有下降，但40岁以上仍会持续。