REPRODUCTIVE-BIOLOGY OF CAPTIVE AND FREE-RANGING SPIDER MONKEYS

被引：34

作者：

CHAPMAN, CA

CHAPMAN, LJ

机构：

[1] Department of Biology, Mcgill University, Montreal, Quebec

来源：

ZOO BIOLOGY | 1990年 / 9卷 / 01期

关键词：

Ateles; births; interbirth interval; sex ratio;

D O I：

10.1002/zoo.1430090102

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Records from 42 zoos and from long‐term studies of wild populations were analysed to describe the reproductive biology of spider monkeys (Ateles spp.). Both data sets suggested that spider monkey females typically have their first infant between 7 and 8 years of age with an interbirth interval of approximately 32–36 months. Infant sex ratio for zoo populations was approximately 1 male to 1 female; infant sex ratios from wild populations were variable. Zoo records provided adequate sample size to suggest that interbirth interval was not influenced by the sex of the infant produced, and that the sex ratio and the probability of infant survival did not change with the number of infants the mother had produced. The findings of this study have implications with respect to the conservation of New World primate species. Since spider monkeys take a long time to reach sexual maturity and their interbirth interval is longer than that expected based on their body size, their populations may be slow to recover following disturbances. Thus, particular care should be taken for the protection of these species. Copyright © 1990 Wiley‐Liss, Inc., A Wiley Company

引用

页码：1 / 9

页数：9

共 23 条

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