Modelling ungulate dependence on higher quality forage under large trees in African savannahs
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Allen, 1996, Physical constraints on voluntary intake of forages by ruminants, Journal of Animal Sciences, 74, 3063
1980
Ash, 1998, Forage quality and feed intake responses of cattle to improved pastures, tree killing and stocking rate in open eucalypt woodlands of north-eastern Australia, Journal of Agricultural Science, 131, 211, 10.1017/S0021859698005607
Beekman, 1989, Feeding strategies of sedentary large herbivores in East Africa with emphasis on the African buffalo, Syncerus caffer, African Journal of Ecology, 27, 129, 10.1111/j.1365-2028.1989.tb00937.x
Belovsky, 1978, Diet optimization in a generalist herbivore: The moose, Theoretical Population Biology, 14, 105, 10.1016/0040-5809(78)90007-2
Belsky, 1992, Effects of trees on understorey vegetation and soils at forest-savanna boundaries, 353
Belsky, 1989, The effects of trees on their physical, chemical, and biological environments in a semi-arid savanna in Kenya, Journal of Applied Ecology, 26, 1005, 10.2307/2403708
Boitani, 1999
Duncan, 1983, Determinants of the use of habitat by horses in a mediterranean wetland, Journal of Animal Ecology, 52, 93, 10.2307/4590
Fisher, 1987, Modeling ad libitum dry matter intake by ruminants as regulated by distension and chemostatic feedbacks, Journal of Theoretical Biology, 126, 407, 10.1016/S0022-5193(87)80148-0
Fryxell, 2004, Predictive models of movement by Serengeti grazers, Ecology, 85, 2429, 10.1890/04-0147
Gagnon, 2000, Dietary preferences in extant African bovidae, Journal of Mammalogy, 81, 490, 10.1644/1545-1542(2000)081<0490:DPIEAB>2.0.CO;2
Grant, 2006, The importance of nutrient hot-spots in the conservation and management of large wild mammalian herbivores in semi-arid savannas, Biological Conservation, 130, 426, 10.1016/j.biocon.2006.01.004
Heitkönig, 1998, Seasonal selection of soil types and grass swards by roan antelope in a South African savanna, African Journal of Ecology, 36, 57, 10.1046/j.1365-2028.1998.114-89114.x
Illius, 1997, Physiological adaptation in savanna ungulates, Proceedings of the Nutrition Society, 56, 1041, 10.1079/PNS19970108
Janis, 1976, The evolutionary strategy of the equidae and the origins of rumen and cecal digestion, Evolution, 30, 757, 10.2307/2407816
Kingdon, 1997
Kleiber, 1961
Ludwig, 2003, Hydraulic lift in Acacia tortilis trees on an East African savanna, Oecologia, 134, 293, 10.1007/s00442-002-1119-x
Ludwig, 2004, The influence of savanna trees on nutrient, water and light availability and the understorey vegetation, Plant Ecology, 170, 93, 10.1023/B:VEGE.0000019023.29636.92
Ludwig, F., de Kroon, H., & Prins, H. H. T. (2008). Impacts of savanna trees on forage quality for a large African herbivore. HYPERLINK javascript:AL_get(this,%20'jour',%20'Oecologia.'); Oecologia 155:487–96.
Mduma, 1999, Food regulates the Serengeti wildebeest: A 40-year record, Journal of Animal Ecology, 68, 1101, 10.1046/j.1365-2656.1999.00352.x
Menard, 2002, Comparative foraging and nutrition of horses and cattle in European wetlands, Journal of Applied Ecology, 39, 120, 10.1046/j.1365-2664.2002.00693.x
Murray, 1993, Comparative nutrition of wildebeest, hartebeest and topi in the Serengeti, African Journal of Ecology, 31, 172, 10.1111/j.1365-2028.1993.tb00530.x
Murray, 1995, Specific nutrient requirements and migration of wildebeest, 231
Murray, 1996, Multispecies grazing in the Serengeti, 247
Prins, 1987
Reid, 1988, Relationships between nutritive quality and fiber components of cool season and warm season forages: A retrospective study, Journal of Animal Science, 66, 1275, 10.2527/jas1988.6651275x
Sankaran, 2005, Determinants of wooddy cover in African savannas, Nature, 438, 846, 10.1038/nature04070
Shackleton, 1992, Area and species selection by wild ungulates in coastal sour grasslands of Mkambati Game Reserve, Transkei, southern Africa, African Journal of Ecology, 30, 189, 10.1111/j.1365-2028.1992.tb00494.x
Treydte, 2006, Diet of the common warthog (Phacochoerus africanus) on former cattle grounds in a Tanzanian savanna, Journal of Mammalogy, 87, 889, 10.1644/05-MAMM-A-336R2.1
Treydte, 2007, Trees enhance grass layer quality in African savannas of distinct rainfall and soil fertility, Perspectives in Plant Ecology, Evolution and Systematics, 8, 197, 10.1016/j.ppees.2007.03.001
Treydte, A. C., Looringh van Beeck, F., Ludwig, F., & Heitkönig, I. M. A. (2008) http://www.opuluspress.se/index.php?page=shop/article_abstract&product_id=8&Itemid=56&option=com_phpshop&article=18435&nr=-1 Improved beneath-crown grass quality in South African savannas varying locally and over season. Journal of Vegetation Science, doi:10.3170/2008-8-18435.
van Soest, 1996, Allometry and ecology feeding behavior and digestive capacity in herbivores: A review, Zoo Biology, 15, 455, 10.1002/(SICI)1098-2361(1996)15:5<455::AID-ZOO3>3.0.CO;2-A
Venter, 2003, The abiotic template and its associated vegetation pattern, 83
Voeten, 1999
Westoby, 1974, An analysis of diet selection by large generalist herbivores, The American Naturalist, 108, 290, 10.1086/282908
Zar, J. H. (1999). Biostatistical analysis, 4th ed. Upper Saddle River: Prentice-Hall, Inc., Simon & Schuster/A Viacom Company.