Baboons of the amboseli basin: Demographic stability and change
نویسندگان
چکیده
منابع مشابه
Demography of Amboseli Baboons , 1963 - 1983
Repeated censuses of a population of yellow baboons (Pupio ~ynocephalri~s) in Amboseli National Park, Kenya, revealed a decrease from over 2,500 animals in 1963-1964 to 123 individuals in 1979, or from a density of about 73 to 1.8 baboons per kmz over a 15-year period. Median group size decreased from 43 in 1964 to 27 in 1979. The largest and smallest goups declined the most; groups near the me...
متن کاملTooth size variation related to age in Amboseli baboons.
We measured the molar size from a single population of wild baboons from Amboseli (Kenya), both females (n=57) and males (n=50). All the females were of known age; the males represented a mix of known-age individuals (n=31) and individuals with ages estimated to within 2 years (n=19). The results showed a significant reduction in the mesiodistal length of teeth in both sexes as a function of ag...
متن کاملa synchronic and diachronic approach to the change route of address terms in the two recent centuries of persian language
terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...
15 صفحه اولImmigration and hybridization patterns of yellow and anubis baboons in and around Amboseli, Kenya.
In 1986, Samuels and Altmann reported evidence for a hybrid zone between Papio anubis and Papio cynocephalus in Amboseli, Kenya, in a baboon population that has been the subject of long-term study since 1971 [Samuels & Altmann, International Journal of Primatology 7:131-138, 1986]. In the current report we document ongoing patterns of hybridization in Amboseli between anubis and yellow baboons....
متن کاملPhysical Maturation and Age Estimates of Yellow Baboons, Papio cynocephalus, in Amboseli National Park, Kenya
In a longitudinal study of individually identified wild baboons in Amboseli National Park, Kenya, we collected data on physical development and reproductive maturation. Confirming and extending our earlier results, we demonstrated that the ratio of ages at which developmental milestones occur in the field as compared to those under extensive provisioning or in captivity were approximately 5:3. ...
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ژورنال
عنوان ژورنال: International Journal of Primatology
سال: 1991
ISSN: 0164-0291,1573-8604
DOI: 10.1007/bf02547555