Forest living baboons in Uganda

Rowell, T. E.

doi:10.1111/j.1469-7998.1966.tb04054.x

Cited by 269 publications

(83 citation statements)

References 2 publications

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“…Furthermore, home ranges at the Nigerian study site are likely to be more productive, consisting of 80% forest and/or agricultural areas from which crops were fed on [Warren, 2003]. Olive baboons seem to show a general preference for forest habitats when available [Rowell, 1966;Nagel, 1973;Warren, 2003] and both CNP groups spent more time in forest habitats than would be expected on a random basis. Though the proportion of forest area in the home ranges of both groups was similar (12 and 11%, respectively), the 1S group spent significantly more time in forest habitats than did the GP group.…”

Section: Ranging Time Budget and Dietmentioning

confidence: 99%

The Disregarded West: Diet and Behavioural Ecology of Olive Baboons in the Ivory Coast

Kunz

Linsenmair²

2007

IJFP

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Despite living under environmental conditions considerably distinct from those of savannah baboons (Papio spp.) in East and southern Africa, very little is known about western Papio populations. We monitored the abundance and group sizes of olive baboons (P. anubis) in the savannah-forest mosaic of the Comoé National Park, northern Ivory Coast, and observed 2 habituated groups of different sizes. Against expectations for the kind of habitat, the individual density was low, yielding only 1.2 baboons/km². The groups were small, comprising on average 15 individuals, and the proportion of 1-male groups (50–63%) was remarkably high. One-male groups were more female biased than multi-male groups. The baboons were highly frugivorous, spending about 50% of their feeding time on fruits and seeds of at least 79 woody plant species. The 2 habituated groups had comparatively large home ranges and used forests more often than expected by random. We argue that regular subgrouping of the larger focal group and different habitat quality countervailed inter-group variations. Differences from other study sites, however, are not completely explained by current models of baboon (socio)ecology. It appears that the social organization of olive baboons is more flexible than assumed from data on East African populations.

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Section: Ranging Time Budget and Dietmentioning

confidence: 99%

The Disregarded West: Diet and Behavioural Ecology of Olive Baboons in the Ivory Coast

Kunz

Linsenmair²

2007

IJFP

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“…Weaning is important in the scheduling of reproductive parameters in adult females as it is the decrease in suckling frequency during the weaning process that induces ovulation and post-partum oestrus [Short, 1983;Hearn, 1984;Gomendio, 1989;Johnson et al, 1993;Ellison, 1995]. This occurs at 5-6 months in Ugandan forest baboons [Rowell, 1964[Rowell, , 1966 but at 13 months in savannah anubis baboons [Smuts and Nicolson, 1989]. In addition, the baboons in this study were engaged in crop raiding, which can result in better physical condition due to enhanced nutrition [Eley et al, 1989].…”

Section: Dental Histologymentioning

confidence: 99%

“…It was important to construct our model using forest-dwelling baboons as reproductive variables occur at earlier ages in this more pro- [Rowell, 1964[Rowell, , 1966Ransom and Rowell, 1972;Nash, 1978;Packer, 1979;Ransom, 1981;Nicolson, 1982;Strum and Western, 1982;Smuts and Nicolson, 1989]. Weaning is important in the scheduling of reproductive parameters in adult females as it is the decrease in suckling frequency during the weaning process that induces ovulation and post-partum oestrus [Short, 1983;Hearn, 1984;Gomendio, 1989;Johnson et al, 1993;Ellison, 1995].…”

Section: Dental Histologymentioning

confidence: 99%

“…Dietary Model for P. hamadryas anubis A model for 4 stages of dietary change in forest-dwelling anubis baboons was constructed from data given in Rowell [1966] and Ransom [1981]. It was important to construct our model using forest-dwelling baboons as reproductive variables occur at earlier ages in this more pro- [Rowell, 1964[Rowell, , 1966Ransom and Rowell, 1972;Nash, 1978;Packer, 1979;Ransom, 1981;Nicolson, 1982;Strum and Western, 1982;Smuts and Nicolson, 1989].…”

Section: Dental Histologymentioning

confidence: 99%

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Tracking Dietary Transitions in Weanling Baboons (Papio hamadryas anubis) Using Strontium/Calcium Ratios in Enamel

Humphrey¹,

Dirks²,

Dean³

et al. 2008

IJFP

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Strontium and calcium are incorporated into developing teeth in a manner that reflects changing physiological concentrations in the body. A new model predicts changes in strontium/calcium (Sr/Ca) ratios in response to dietary transitions experienced at birth and during the weaning period. Microsampling of longitudinal thin sections of tooth enamel using laser ablation inductively coupled plasma mass spectrometry provides a basis for the systematic evaluation of variation in Sr/Ca ratios within the tooth crown. Incremental growth markers in enamel are used to determine the age of onset of enamel mineralization at each sampling point. Thin sections of 5 teeth from 2 wild-caught baboons (Papio hamadryas anubis) were systematically analysed using this technique. Intra- and intertooth analyses of Sr/Ca ratios reveal a pattern of dietary development during the period of enamel formation that is consistent with observational data on the timing of weaning behaviour in anubis baboons.

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“…When the availability or nutritional value of available grass changes, they shift to flowers and digging for rhizomes and roots and foraging for herbs (Richard, 1985;Dunbar, 1998). Baboons consume a variety of grasses, fruits, flowers, seeds, pods, leaves, gum and underground plant parts such as corms, bulbs, rhizomes and tubers (Rowell, 1966;Altmann and Altmann, 1970).…”

Section: Introductionmentioning

confidence: 99%

Daily activity, feeding ecology and habitat association of Gelada baboon (Theropithecus gelada) around Debre-Libanos, Northwest Shewa Zone, Ethiopia

Abie¹,

Bekele²,

Mekonen³

2017

Int. J. Biodivers. Conserv.

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Daily activity, feeding ecology and habitat association of Gelada baboon around Debre-Libanos was investigated using direct field observations from August 2012 to March 2013. Instantaneous scan sampling method was used to collect behavioral data from two selected study groups of gelada baboons on an average of 7 days per month. The focal groups were identified by the natural marking, size, coat color and facial features of some distinctive members of each of these groups. Data were analyzed using descriptive statistics, and responses were compared using Chi-square tests. On average, Gelada baboons spent more time on feeding (56.12%) than any other activity. They spent 16.76% of their time moving, 16.05% socializing, and 9.42% resting. Other activities such as vocalization, defecation and looking at the observer occurred infrequently (1.66%). They depended fully on grass during the wet season (82.1%), but during the dry season, they fed on roots (21.35%) and leaves (20.04%) in larger proportion. There was significant variation among the activity time budget of gelada baboons in the whole study period (χ

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Forest living baboons in Uganda

Cited by 269 publications

References 2 publications

The Disregarded West: Diet and Behavioural Ecology of Olive Baboons in the Ivory Coast

The Disregarded West: Diet and Behavioural Ecology of Olive Baboons in the Ivory Coast

Tracking Dietary Transitions in Weanling Baboons (Papio hamadryas anubis) Using Strontium/Calcium Ratios in Enamel

Daily activity, feeding ecology and habitat association of Gelada baboon (Theropithecus gelada) around Debre-Libanos, Northwest Shewa Zone, Ethiopia

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