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Taxonomic, anatomical, and spatio-temporal variations in the stable carbon and nitrogen isotopic compositions of plants from an African savanna
Variations in the isotopic compositions of plants collected over two years from the Kruger National Park, South Africa are document with respect to species and anatomical differences, and the influences of geological substrate and spatio-temporal shifts in climate are document. Expand
Utilization of savanna-based resources by Plio-Pleistocene baboons
Data reveal little evidence for use of grasses or grass-based foods by modern South African baboons, and the colobine monkey, Cercopithecoides williamsi, made extensive use of savanna-based C4 foods, confirming some degree of terrestrial foraging by the species. Expand
ELEPHANT (LOXODONTA AFRICANA) DIETS IN KRUGER NATIONAL PARK, SOUTH AFRICA: SPATIAL AND LANDSCAPE DIFFERENCES
- J. Codron, J. Lee-Thorp, M. Sponheimer, D. Codron, Rina C. Grant, D. D. de Ruiter
- 20 February 2006
The homogeneity of woody vegetation in the north (dominated by Colophospermum mopane “shrubveld”) may deter browsing and force elephants in this area to opt for alternative food sources (grass) throughout the seasonal cycle. Expand
Diets of savanna ungulates from stable carbon isotope composition of faeces
Cluster analysis based on a data matrix that incorporates the extent of spatio-temporal dietary variation among Kruger Park ungulates reveals several distinct categories of feeding preferences that extend beyond a two-edged browser/grazer dichotomy, such as mixed-feeders with a preference for either forage class, and spatial/seasonal shifts between uniform and mixed-feeding styles among variable browsers. Expand
Significance of diet type and diet quality for ecological diversity of African ungulates.
- D. Codron, J. Lee-Thorp, M. Sponheimer, J. Codron, D. D. de Ruiter, J. Brink
- Biology, Medicine
- The Journal of animal ecology
- 1 May 2007
Results show that, contrary to many predictions, body mass and diet type are not related, but these data confirm predictions that diet quality decreases with increasing body size, especially during the dry season, which implies that adaptation to diets of varying quality, through changes in body size and dental features, has been the primary mechanism for diversification in ungulates. Expand
Hominins, sedges, and termites: new carbon isotope data from the Sterkfontein valley and Kruger National Park.
- M. Sponheimer, J. Lee-Thorp, +4 authors F. Thackeray
- Biology, Medicine
- Journal of human evolution
- 1 March 2005
The consumption of C4 foods is a fundamental hominin trait that, along with bipedalism, allowed australopiths to pioneer increasingly open and seasonal environments. Expand
What Insights Can Baboon Feeding Ecology Provide for Early Hominin Niche Differentiation?
- D. Codron, J. Lee-Thorp, M. Sponheimer, D. Ruiter, J. Codron
- International Journal of Primatology
- 5 June 2008
The absence of a fixed-diet in papionins implies that it was unlikely that the more ecologically flexible hominins evolved specializations for any one food type, an interpretation consistent with recent carbon isotope, dental microwear, and ecomorphological studies. Expand
Cyclophosphamide-induced cystitis in freely-moving conscious rats: behavioral approach to a new model of visceral pain.
- M. Boucher, M. Méen, J. Codron, F. Coudoré, J. Kémény, A. Eschalier
- The Journal of urology
- 1 July 2000
Results indicate that this experimental model of CP-induced cystitis may be an interesting new behavioral model of inflammatory visceral pain, allowing a better understanding of these painful syndromes and thus a better therapeutic approach to them. Expand
Nutritional content of savanna plant foods: implications for browser/grazer models of ungulate diversification
- D. Codron, J. Lee-Thorp, M. Sponheimer, J. Codron
- European Journal of Wildlife Research
- 5 April 2007
Test the widespread assumption that browse represents a higher quality food source than grass and proposes that future studies require further detail on variations in diet, diet quality, and digestive efficiency to properly understand mechanisms of adaptation. Expand
Animal diets in the Waterberg based on stable isotopic composition of faeces
Stable light isotope analysis of faeces was used to qualify, as well as quantify, certain aspects of mammal food selection in a recovering, nutrient-poor, savanna habitat in the Waterberg. Expand