Life history of wild Sumatran orangutans (Pongo abelii)

IF 3.1 1区地球科学 Q1 ANTHROPOLOGY Journal of Human Evolution Pub Date : 2004-12-01 DOI:10.1016/j.jhevol.2004.08.006

S.A. Wich , S.S. Utami-Atmoko , T. Mitra Setia , H.D. Rijksen , C. Schürmann , J.A.R.A.M. van Hooff , C.P. van Schaik

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引用次数: 313

Abstract

We present life history data on wild Sumatran orangutans gleaned from a 32-year and a 5.5-year study. Estimated age at first reproduction was 15.4 years. At 9.3 years, the average interbirth interval for this population is the longest ever recorded for any great ape population, significantly longer than that of a Bornean orangutan population. We find that age-specific mortality of Sumatran orangutans does not differ between sexes and is significantly lower than that of wild chimpanzees. We conclude that orangutan life history is the slowest among extant great apes. In accordance with their slow life history, longevity in the wild is estimated to be at least 58 years for males and at least 53 for females. We find no evidence for menopause. These data suggest that compared to the ancestral state, humans have undergone less of an increase in longevity than commonly assumed, and have experienced selection on earlier cessation of reproduction.

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野生苏门答腊猩猩(Pongo abelii)生活史

我们介绍了一项为期32年和5.5年的研究中收集的野生苏门答腊猩猩的生活史数据。初次生育的估计年龄为15.4岁。这个种群的平均生育间隔为9.3年，是类人猿种群中有记录以来最长的，明显长于婆罗洲猩猩种群。我们发现苏门答腊猩猩的年龄特异性死亡率在性别之间没有差异，并且明显低于野生黑猩猩。我们得出结论，猩猩的生活史是现存类人猿中最慢的。根据它们缓慢的生活历史，在野外的寿命估计雄性至少为58岁，雌性至少为53岁。我们没有发现更年期的证据。这些数据表明，与祖先的状态相比，人类寿命的增加比通常认为的要少，并且经历了早期停止繁殖的选择。

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来源期刊

Journal of Human Evolution 生物-进化生物学

CiteScore

6.30

自引率

15.60%

发文量

104

审稿时长

3 months

期刊介绍： The Journal of Human Evolution concentrates on publishing the highest quality papers covering all aspects of human evolution. The central focus is aimed jointly at paleoanthropological work, covering human and primate fossils, and at comparative studies of living species, including both morphological and molecular evidence. These include descriptions of new discoveries, interpretative analyses of new and previously described material, and assessments of the phylogeny and paleobiology of primate species. Submissions should address issues and questions of broad interest in paleoanthropology.

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