Zobrazeno 1 - 10
of 69
pro vyhledávání: '"E. Jean Wickings"'
Publikováno v:
American journal of primatology, 2008, Vol.70(11), pp.1023-1032 [Peer Reviewed Journal]
Subordinate female cercopithecine primates often experience decreased reproductive success in comparison with high-ranking females, with a later age at sexual maturity and first reproduction and/or longer interbirth intervals. One explanation that ha
Publikováno v:
Hormones and behavior, 2008, Vol.54(3), pp.365-372 [Peer Reviewed Journal]
We investigated relationships between fecal androgen concentrations, facial coloration and behaviour in semi-free-ranging male mandrills. We found that fecal androgen levels were significantly positively related to dominance rank, independent of rank
Autor:
Christiane Atteke, Marie-Hélène Chevallier, E. Jean Wickings, Martine Hossaert-McKey, Olivier J. Hardy, Céline Born, Simon Ossari
Publikováno v:
Molecular Ecology. 17:2041-2050
Under the isolation-by-distance model, the strength of spatial genetic structure (SGS) depends on seed and pollen dispersal and genetic drift, which in turn depends on local demographic structure. SGS can also be influenced by historical events such
Autor:
Sally A. Lahm, Nicola M. Anthony, Kathryn J. Jeffery, Mireille Johnson-Bawe, Lee J. T. White, Katharine Abernethy, E. Jean Wickings, Caroline E. G. Tutin, John F. Utley, Michael William Bruford, Stephen L. Clifford
Publikováno v:
Proceedings of the National Academy of Sciences. 104:20432-20436
The role of Pleistocene forest refugia and rivers in the evolutionary diversification of tropical biota has been the subject of considerable debate. A range-wide analysis of gorilla mitochondrial and nuclear variation was used to test the potential r
Autor:
Issa-Ben Bedjabaga, Leslie A. Knapp, Joanna M. Setchell, Benoit Goossens, E. Jean Wickings, Patricia Reed
Publikováno v:
International Journal of Primatology. 28:1345-1362
We examined parasite prevalence, abundance of protozoan cysts and helminth eggs in the feces, and number of parasitic taxa in a population of mandrills (Mandrillus sphinx) in semi-free-ranging conditions in their habitat range, with respect to the an
Autor:
Leslie A. Knapp, Olivier Bourry, Paul Tshipamba, Pierre Rouquet, E. Jean Wickings, Joanna M. Setchell
Publikováno v:
International Journal of Primatology. 27:1709-1729
We examined hematological parameters for a semifree-ranging population of mandrills to investigate the influence of age and sex, and to establish normative values for age-sex classes. We also investigated the influence of the reproductive cycle on he
Publikováno v:
Immunogenetics. 58:628-640
The major histocompatibility complex (MHC) is highly polymorphic in most primate species studied thus far. The rhesus macaque (Macaca mulatta) has been studied extensively and the Mhc-DRB region demonstrates variability similar to humans. The extent
Publikováno v:
Proceedings of the Royal Society B: Biological Sciences. 273:2395-2400
Studies of secondary sexual ornamentation and its maintenance by sexual selection tend to focus on males; however, females may also possess showy ornaments. For example, female mandrills possess facial coloration that ranges from black to bright pink
Publikováno v:
American Journal of Primatology. 68:411-418
Female contact aggression against males is relatively rare in species in which the adult males are larger than the females, but it has the potential to influence group structure, male group membership, tenure, and dominance rank. We report an inciden
Publikováno v:
American Journal of Physical Anthropology. 131:498-510
We assess life history from birth to death in male mandrills (Mandrillus sphinx) living in a semifree-ranging colony in Gabon, using data collected for 82 males that attained at least the age of puberty, including 33 that reached adulthood and 25 tha