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SciELO - Scientific Electronic Library Online

Article References

SEYDACK, Armin H. et al. Large herbivore population performance and climate in a South African semi-arid savanna. Koedoe [online]. 2012, vol.54, n.1, pp. 1-20. ISSN 0075-6458.

    An, Y., Wan, S., Zhou, Z., Subedar, A.A., Wallace, L.L. & Luo, Y., 2005, 'Plant nitrogen concentration, use efficiency, and contents in a tallgrass prairie ecosystem under experimental warming', Global Change Biology 11, 1733-1744. http://dx.doi.org/10.1111/j.1365-2486.2005.01030.x [ Links ]

    Anselin, L., 2005, Exploring spatial data with GeoDaTM: A workbook, University of Illinois, Urbana-Champaign. [ Links ]

    Archives, Kruger National Park (Skukuza), Annual reports, Sabi and Shingwitsi game reserves, 1902-1925; Kruger National Park, 1926-1945. [ Links ]

    Archives, Skukuza, Warden's annual reports: Kruger National Park, unpublished reports, 1946-1952. [ Links ]

    Bodenstein, V., Meissner, H.H. & Van Hoven, W., 2000, 'Food selection by Burchell's zebra and blue wildebeest in the Timbavati area of the Northern Province Lowveld' South African Journal of Wildlife Research 30(2), 6-72. [ Links ]

    Buckland, S.T., Anderson, D.R., Burnham, K.P. & Laake, J.L., 1993, Distance sampling estimating abundance of biological populations, Chapman, London. [ Links ]

    De Bie, S., 1991, Wildlife resources of the West African savanna, Wageningen Agricultural University Papers 91-92, Wageningen. [ Links ]

    Dewar, R.C., Medlyn, B.E. & McMurtrie, R.E., 1999, 'Acclimation of the respiration/ photosynthesis ratio to temperature: Insights from a model', Global Change Biology 5, 615-622. http://dx.doi.org/10.1046/j.1365-2486.1999.00253.x [ Links ]

    Dunham, K.M., Robertson, E.F. & Grant, C.C., 2004, 'Rainfall and the decline of a rare antelope, the tsessebe (Damaliscus lunatus lunatus), in Kruger National Park, South Africa', Biological Conservation 117, 83-94. http://dx.doi.org/10.1016/S0006-3207(03)00267-2 [ Links ]

    Dwyer, S.A., Ghannoum, O., Nicotra, A. & Von Caemmerer, S., 2007, 'High temperature acclimation of C4 photosynthesis is linked to changes in photosynthetic biochemistry', Plant, Cell and Environment 30, 53-66. http://dx.doi.org/10.1111/j.1365-3040.2006.01605.x, PMid:17177876 [ Links ]

    East, R., 1984, 'Rainfall, soil nutrient status and biomass of large African savanna mammals', African Journal of Ecology 22, 245-270. http://dx.doi.org/10.1111/j.1365-2028.1984.tb00700.x [ Links ]

    Environmental Systems Research Institute (ESRI), 2006, ESRI data and maps: Elevation and image data, ESRI, Redlands, California, USA. [ Links ]

    Estiarte, M. & Penuelas, J. , 1999, 'Excess carbon: The relationship with phenotypical plasticity in storage and defense functions of plants', Orsis 14, 159-203. [ Links ]

    Fritz, H. & Duncan, P., 1994, 'On the carrying capacity for large ungulates of African savanna ecosystems', Proceedings of the Royal Society of London B 256, 77-82. http://dx.doi.org/10.1098/rspb.1994.0052, PMid:8008761 [ Links ]

    Gaylard, A., Owen-Smith, N. & Redfern, J. , 2003, 'Surface water availability: Implications for heterogeneity and ecosystem processes', in J.T. du Toit, K.H. Rogers & H.C. Biggs (eds.), The Kruger experience: Ecology and management of savanna heterogeneity, pp. 171-188, Island Press, Washington DC. [ Links ]

    Gertenbach, W., 1983, 'Landscapes of the Kruger National Park', Koedoe 26, 9-121. [ Links ]

    Grange, S. & Duncan, P., 2006, 'Bottom-up and top-down processes in African ungulate communities: Resources and predation acting on the relative abundance of zebra and grazing bovids', Ecography 29, 899-907. http://dx.doi.org/10.1111/j.2006.0906-7590.04684.x [ Links ]

    Grant, C.C., Davidson, T., Funston, P.J. & Pienaar, D.J., 2002, 'Challenges faced in the conservation of rare antelope: A case study on the northern basalt plains of the Kruger National Park', Koedoe 45(2), 45-62. [ Links ]

    Harrington, R., Owen-Smith, N., Viljoen, P.C., Mason, D.R. & Funston, P.J., 1999, 'Establishing the causes of the roan antelope decline in the Kruger National Park, South Africa', Biological Conservation 90, 69-78. http://dx.doi.org/10.1016/S0006-3207(98)00120-7 [ Links ]

    Heitkönig, I.M.A. & Owen-Smith, N., 1998, 'Seasonal selection of soil types and grass swards by roan antelope in a South African savanna', African Journal of Ecology 36, 57-70. http://dx.doi.org/10.1046/j.1365-2028.1998.114-89114.x [ Links ]

    Herms, D.A. & Mattson, W.J., 1992, 'The dilemma of plants: To grow or defend', Quarterly Review of Biology 67(3), 283-335. http://dx.doi.org/10.1086/417659 [ Links ]

    Hofmann, R.R., 1973, The ruminant stomach. Stomach structure and feeding habits of East African game ruminants, Vol. II, East African Literature Bureau, Nairobi. [ Links ]

    Hofmann, R.R., 1989, 'Evolutionary steps of ecophysiological adaptation and diversification of ruminants: A comparative view of their digestive systems', Oecologia 78, 443-457. http://dx.doi.org/10.1007/BF00378733 [ Links ]

    Houghton, J.T., Meira Filho, L.G., Callander, B.A., Harris, N., Kattenberg A. & Maskell, K., (eds.), 1996, Climate change 1995: The science of climate change, Cambridge University Press, Cambridge. [ Links ]

    Joubert, S.C.J., 1976, 'The population ecology of the roan antelope (Hippotragus equinus equinus) (Desmarest, 1804) in the Kruger National Park', DSc thesis, Faculty of Science, University of Pretoria. [ Links ]

    Joubert, S.C.J. & Bronkhorst, P.H.L., 1977, 'Some aspects of the history and population ecology of the Tsessebe Damaliscus lunatus lunatus in the Kruger National Park', Koedoe 20, 125-145. [ Links ]

    Joubert, S., 2007a, The Kruger National Park: A history, Vol. I., High Branching, Johannesburg. [ Links ]

    Joubert, S., 2007b, The Kruger National Park. A History, Vol. II., High Branching, Johannesburg. [ Links ]

    Kennedy, A.D., Biggs, H. & Zambatis, N., 2003, 'Relationship between grass species richness and ecosystem stability in Kruger National Park, South Africa', African Journal of Ecology 41, 131-140. http://dx.doi.org/10.1046/j~.13652028.2003.00391.x [ Links ]

    Kruger, J.M., Reilly, B.K. & Whyte, I.J., 2008, 'Application of distance sampling to estimate population densities of large herbivores in Kruger N ational Park', Wildlife Research 35, 371-376. http://dx.doi.org/10.1071/WR07084 [ Links ]

    Le Roux, E., 2010, 'Habitat and forage dependency of sable antelope (Hippotragus niger) in the Pretoriuskop region of the Kruger National Park', MSc thesis, School of Animal, Plant & Environmental Sciences, University of the Witwatersrand. [ Links ]

    Legendre, B. & McArdle, B.H., 1997, 'Comparison of surfaces', Oceanologica Acta 20, 27-41. [ Links ]

    Ludorf, J.F., 1918, Report of the Game Reserve Commission, Government Printer, Pretoria. [ Links ]

    Macandza, V.A., Owen-Smith, N. & Cross, P.C., 2004, 'Forage selection by African buffalo in the late dry season in two landscapes', South African Journal of Wildlife Research 34(2), 113-121. [ Links ]

    Magome, H., Cain, J.W.I., Owen-Smith, N. & Henley, S.R., 2008, 'Forage selection of sable antelope in Pilanesberg Game Reserve, South Africa', South African Journal of Wildlife Research 38(1), 35-41. http://dx.doi.org/10.3957/0379-4369-38.L35 [ Links ]

    't Mannetje, L., 1982, 'Problems of animal production from tropical pastures', in J.B. Hacker (ed.), Nutritional limits to animal production from pastures, pp. 67-85, Commonwealth Agricultural Bureaux, Farnham Royal. [ Links ]

    't Mannetje, L., 1984, 'Nutritive value of tropical and subtropical pastures, with special reference to protein and energy deficiency in relation to animal production', in F.M.C. Gilchrist & R.I. Mackie (eds.), Herbivore nutrition in the subtropics and tropics, pp. 56-66, The Science Press, Craighall. [ Links ]

    Mduma, S.A.R., Sinclair, A.R.E. & Hilborn, R., 1999, 'Food regulates the Serengeti wildebeest: a 40-year record', Journal of Animal Ecology 68, 1101-1122. http://dx.doi.org/10.1046/j.1365-2656.1999.00352.x [ Links ]

    Mills, M.G.L., Biggs, H.C. & Whyte, I.J., 1995, 'The relationship between rainfall, lion predation and population trends in African herbivores', Wildlife Research 22, 7588. http://dx.doi.org/10.1071/WR9950075 [ Links ]

    Mutanga, O., Prins, H.H.T., Skidmore, A.K., Van Wieren, S., Huizing, H., Grant, R. et al., 2004, 'Explaining grass-nutrient patterns in a savanna rangeland of southern Africa', Journal of Biogeography 31, 819-829. http://dx.doi.org/10.1111/j.13652699.2004.01072.x [ Links ]

    Osborne, C.P., 2008, 'Atmosphere, ecology and evolution: what drove the Miocene expansion of C4 grasslands?', Journal of Ecology 96, 35-45. PMid:18784799, PMCid:2517376 [ Links ]

    Owen-Smith, N., 2008, 'Changing vulnerability to predation related to season and sex in an African ungulate assemblage', Oikos 114, 602-610. http://dx.doi.org/10.1111/j.0030-1299.2008.16309.x [ Links ]

    Owen-Smith, N. & Ogutu, J.O., 2003, 'Rainfall influences on ungulate population dynamics', in J.T. du Toit, H.C. Biggs & K.H. Rogers (eds.), The Kruger experience: Ecology and management of savanna heterogeneity, pp. 310-331, Island Press, Washington DC. [ Links ]

    Owen-Smith, N. & Mason, D.R., 2005, 'Comparative changes in adult versus juvenile survival affecting population trends of African ungulates', Journal of Animal Ecology 74, 762-773. http://dx.doi.org/10.1111/j.1365-2656.2005.00973.x [ Links ]

    Owen-Smith, N., Mason, D.R. & Ogutu, J.O., 2005, 'Correlates of survival rates of ten African ungulate populations: Density, rainfall and predation', Journal of Animal Ecology 74, 774-778. http://dx.doi.org/10.1111/j.1365-2656.2005.00974.x [ Links ]

    Owen-Smith, N. & Mills, M.G.L., 2006, 'Manifold interactive influences on the population dynamics of a multispecies ungulate assemblage', Ecological Monographs 76, 73-92. http://dx.doi.org/10.1890/04-1101 [ Links ]

    Owen-Smith, N. & Mills, M.G.L., 2008a, 'Shifting prey selection generates contrasting herbivore dynamics within a large-mammal predator-prey web', Ecology 89(4), 1120-1133. http://dx.doi.org/10.1890/07-0970.!,PMid:18481536 [ Links ]

    Owen-Smith, N. & Mills, M.G.L., 2008b, 'Predator-prey size relationships in an African large-mammal food web', Journal of Animal Ecology 77, 173-183. http://dx.doi.org/10.1111/j.1365-2656.2007.01314.x, PMid:18177336 [ Links ]

    Parrini, F., 2006, 'Nutritional and social ecology of the sable antelope in a Magaliesberg Nature Reserve', PhD thesis, School of Animal, Plant & Environmental Sciences, University of the Witwatersrand. [ Links ]

    Pienaar, U de V., 1963, 'The large mammals of the Kruger National Park: Their distribution and present-day status', Koedoe 6, 1-37. [ Links ]

    Pienaar, U de V., 1969, 'Predator-prey relationships among the larger mammals of the Kruger National Park', Koedoe 12, 108-176. [ Links ]

    Scholes, R.J. & Walker, B.H., 1993, An African savanna: Synthesis of the Nylsvley study, Cambridge University Press, Cambridge. http://dx.doi.org/10.1017/CBO9780511565472 [ Links ]

    Schulze, R.E., 1995, Hydrology and agrohydrology: A text to accompany the ACRU 3.00 agro-hydrological modeling system, University of Natal (Department of Agricultural Engineering), Pietermartizburg. [ Links ]

    Seydack, A.H., Grant, C.C., Smit, I.P., Vermeulen, W.J., Baard, J. & Zambatis, N., 2012, 'Climate and vegetation in a semi-arid savanna: development of a climatevegetation response model linking plant metabolic performance to climate and the effects on forage availability for large herbivores', Koedoe 54(1), Art. #1046, 12 pages. http://dx.doi.org/10.4102/koedoe.v54i1.1046 [ Links ]

    Silverman, B.W., 1986, Density estimation for statistics and data analysis, Chapman and Hall, New York. [ Links ]

    Sinclair, A.R.E., Dublin, H. & Borner, M., 1985, 'Population regulation of Serengeti wildebeest: A test of the food hypothesis', Oecologia 65, 266-268. http://dx.doi.org/10.1007/BF00379227 [ Links ]

    Skinner, J.D. & Chimimba, C.T., 2005, The mammals of the Southern African subregion, 3rd edn., Cambridge University Press, Cambridge/Cape Town. [ Links ]

    Smit, I.P.J., 2011, 'Resources driving landscape-scale distibution patterns of grazers in an African savanna', Ecography 34, 67-74. http://dx.doi.org/10.1111/j.16000587.2010.06029.x [ Links ]

    Smuts, G.L., 1972, 'Seasonal movements, migration and age determination of Burchell's zebra (Equus burchelli antiquorum, H. Smith, 1841) in the Kruger National Park', MSc thesis, Faculty of Science, University of Pretoria. [ Links ]

    Steyn, L.B., 1953-1961, 'Annual reports: Kruger National Park', unpublished reports, Skukuza, South Africa. [ Links ]

    Steyn, L.B., 1954, Report of the supervisor of game censuses in 1954 in the Kruger National Park, South African National Parks, South Africa. [ Links ]

    Van Soest, P.H., Mertens, D.R. & Deinum, B., 1978, 'Preharvest factors influencing quality of conserved forage', Journal of Animal Science 47, 712-720. [ Links ]

    Venter, F.J., Scholes, R.J. & Eckhardt, H.C., 2003, 'The abiotic template and its associated vegetation patterns', in J.T. du Toit, K.H. Rogers & H.C. Biggs (eds.), The Kruger experience: Ecology and management of savanna heterogeneity, pp. 83-129, Island Press, Washington DC. [ Links ]

    Viljoen, P.C., 1996, Ecological aerial surveys in the Kruger National Park, report 04/1995, Kruger National Park (Scientific Services), Skukuza. [ Links ]

    Wan, S., Xia, J. , Liu, W. & Niu, S., 2009, 'Photosynthetic overcompensation under nocturnal warming enhances grassland carbon sequestration', Ecology 90(10), 2700-2710. http://dx.doi.org/10.1890/08-2026.!, PMid:19886480 [ Links ]

    Watson, L.H. & Owen-Smith, N., 2000, 'Diet composition and habitat selection of eland in semi-arid shrubland', African Journal of Ecology 38, 130-137. http://dx.doi.org/10.1046/j.1365-2028.2000.00229.x [ Links ]

    Whyte, I.J., 2007, Rare antelope in the Kruger National Park: Trends, current status, and options for future management, report 03/2007, South African National Parks, Skukuza. [ Links ]

    Whyte, I.J. & Joubert, S.C.J., 1988, 'Blue wildebeest population trends in the Kruger National Park and the effect of fencing', South African Journal of Wildlife Research 18(3), 78-87. [ Links ]

    Wilson, J.R., 1982, 'Environmental and nutritional factors affecting herbage quality', in J.B. Hacker (ed.), Nutritional limits to animal production from pastures, pp. 111-131, Commonwealth Agricultural Bureaux, Farnham Royal. [ Links ]

    Wilson, J.R. & Ford, C.W., 1971, 'Temperature influences on the growth, digestibility, and carbohydrate composition of two tropical grasses, Panicum maximum var. trichoglume and Setaria sphacelata, and two cultivars of the temperate grass Lolium perenne', Australian Journal of Agricultural Research 22, 563-571. http://dx.doi.org/10.1071/AR9710563 [ Links ]

    Wilson, J.R. & Ford, C.W., 1973, 'Temperature influences on the in vitro digestibility and soluble carbohydrate accumulation of tropical and temperate grasses', Australian Journal of Agricultural Research 24, 187-198. http://dx.doi.org/10.1071/AR9730187 [ Links ]