Truman P. YoungDepartment of Plant Sciences
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Tel. 530-754-9925
Fax: 530-752-4361
Email:tpyoung@ucdavis.edu
KLEE |
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| Overview | Intro to the exclosures and the black cotton ecosystem | KLEE Publications |
| Instructions for exclosure project | ||
Odadi, W.O., T.P. Young & J.B. Okeyo-Owuor. 2009. Effects of large wild herbivores on cattle intake and travel rates in a semi-arid savannah rangeland, Kenya. Journal of Applied Animal Behaviour Science 116:120-125. pdf
Sensenig, R.L. 2008. Fire Ecology in Laikipia, Kenya. Booklet distributed to Laikipia landowners, managers, and stakeholders. 79pp. pdf
McCauley, D.J., F. Keesing, T.P. Young & K.Dittmar. 2008. Effects of the removal of large herbivores on fleas of small mammals. Journal of Vector Ecology 33:263-268. pdf
Okello, B.D., T.P. Young, C. Riginos, D. Kelly & T. O'Connor. 2008. Short-term survival and long-term mortality of Acacia drepanolobium after a controlled burn in Laikipia, Kenya. African Journal of Ecology, in press. pdf
Palmer, T.M., M.L. Stanton, T.P. Young, J.R. Goheen, R.M Pringle and R. Karban. 2008. Breakdown of an ant-plant mutualism following the loss of large herbivores from an African savanna. Science 319:192-195. pdf
Ogada,D.M., M.E. Gadd, R.S. Ostfeld, T.P. Young and F. Keesing. 2008. Impacts of large herbivores on bird diversity and abundance in an African savanna. Oecologia 156:387-397. pdf
Okello, B.D., T.P. Young, C. Riginos, D. Kelly & T. O'Connor. 2008. Short-term survival and long-term mortality of Acacia drepanolobium after a controlled burn in Laikipia, Kenya. African Journal of Ecology 46:395-401. pdf
Veblen, K.E. 2008. Season- and herbivore-dependent competition and facilitation in a semi-arid savanna. Ecology 89:1532-1540. pdf
Riginos, C. & J.B. Grace. 2008. Tree density affects wild ungulate habitat use and herbaceous community characteristics in a Kenyan savanna. Ecology 89:2228-2238. pdf
Riginos, C. & T.P. Young. 2007. Positive and negative effects of grasses and wild and domestic herbivores on Acacia saplings. Oecologia 153:985-995. pdf
Odadi, W., T.P. Young, and J. Okeyo-Owuor. 2007. The effects of wild herbivores on cattle diet in Laikipia rangeland, Kenya. Rangeland Ecology and Management 60:179-185. pdf
Pringle, R.M., T.P. Young, D.I. Rubenstein, & D.J. McCauley. 2007. Primary productivity and the strength of herbivore-initiated interaction cascades. PNAS 104:193-197. pdf
Young, T.P. & D.J. Augustine. 2007. Interspecific variation in the effects of large mammalian herbivores on reproduction in Acacia species in Laikipia, Kenya. Biotropica 39:559-561. pdf
Goheen, J.R., T.P. Young, F. Keesing & T.M. Palmer. 2007. Consequences of herbivory by native ungulates for reproduction of a savanna tree. Journal of Ecology 95:129-138. pdf
Isbell, L.A. and T. P. Young. 2007. Interspecific and temporal variation in domatia contents of the ant-plant Acacia drepanolobium, a staple food for patas monkeys (Erythrocebus patas) in Laikipia, Kenya. American Journal of Primatology 69:1387-1398. pdf
McCauley, D.J., F. Keesing, T.P. Young, J. Peters & B.F. Allan. 2006. Indirect effects of large herbivorous mammals on snakes in an African savanna. Ecology 87:2657-2663. pdf
Young, T.P. 2006. Declining rural economies and the future of biodiversity: missing the forest for the trees? Journal of International Wildlife Law and Policy 9:319-138 . pdf
Young, T.P., T.M Palmer & M.E. Gadd. 2005. Competition and compensation among cattle, zebras, and elephants in a semi-arid savanna in Laikipia, Kenya. Biological Conservation 122:351-359. pdf
Gadd, M.E. 2005. Conservation outside of parks: attitudes of local people in Laikipia, Kenya. Environmental Conservation 32:50-63. pdf
Warui, C.M., M.H. Villet, T.P. Young & R. Jocque. 2005. Influence of grazing by large mammals on the spider community of a Kenyan savanna biome. Journal of Arachnology 33:269-279. pdf
Huntzinger, P.M., R. Karban, T.P. Young & T.M. Palmer. 2004. Relaxation of induced indirect defenses of acacias following removal of mammalian herbivores. Ecology 85:609-614. pdf
Goheen J.R., F. Keesing, B.F. Allan, et al. 2004. Net effects of large mammals on Acacia seedling survival in an African savanna. Ecology 85:1555-1561. pdf
Warui, C. M., M.H. Villet, & T.P. Young. 2004. Spiders (Araneae) from black cotton soils of a highland savanna in Laikipia, central Kenya. Journal of Afrotropical Zoology 1:13-24. pdf
Young, T.P., M.L. Stanton & C. Christian. 2003. Effects of natural and simulated herbivory on spine lengths of Acacia drepanolobium in Kenya. Oikos 101:171-179. pdf
Ward, D. & T.P. Young. 2002. Effects of large mammalian herbivores and ant symbionts on condensed tannins of Acacia drepanolobium in Kenya. Journal of Chemical Ecology 28:913-529. pdf
Shaw, M.T., F. Keesing, and R.S. Ostfeld. 2002. Herbivory on acacia seedlings in an East African savanna. Oikos 98:385-392. pdf
Okello, B.D., T.G. O’Connor, & T.P. Young. 2001. Growth, biomass estimates, and charcoal production of Acacia drepanolobium in Laikipia, Kenya. Forest Ecology & Management 142:143-153. pdf
Gadd, M.E., T.P. Young & T.M. Palmer. 2001. Effects of simulated shoot and leaf herbivory in Acacia drepanolobium. Oikos 92:515-520. pdf
Keesing, F., and T. Crawford. 2001. Impacts of density and large mammals on space use by the pouched mouse (Saccostomus mearnsi) in central Kenya J. Tropical Ecology 17: 465-472.
Metz M.R. & F. Keesing. 2001. Dietary choices of the pouched mouse (Saccostomus mearnsi) in central Kenya. Biotropica 33: 182-187. pdf
Keesing, F. 2000. Cryptic consumers and the ecology of an African savanna. Bioscience 50:205-216. pdf
Okello, D.N. & T.P. Young. 2000. Effects of fire, bruchid beetles and soil type on the germination and seedling establishment of Acacia drepanolobium. African Journal of Range and Forage Science 17:46-51. pdf
Young, T.P. and B.D. Okello. 1998. Relaxation of an induced defense after exclusion of herbivores: spines on Acacia drepanolobium. Oecologia115:508-513. pdf
Keesing, F. 1998. Ecology and behaviour of the pouched mouse, Saccostomus mearnsi, in central Kenya. Journal of Mammalogy 79:919-931.
Keesing, F.L. 1998. Impacts of ungulates on the demography and diversity of small mammals in central Kenya. Oecologia 116:381-389. pdf
Young, T.P., B. Okello, D. Kinyua, & T.M. Palmer. 1998. KLEE: the Kenya long-term exclosure experiment. African Journal of Range and Forage Science 14:94-102. pdf
Young, T.P., C.H. Stubblefield & L.A. Isbell. 1997. Ants on swollen-thorn acacias: species coexistence in a simple system. Oecologia 109:98-107. pdf
Young, T.P. 1995. Landscape mosaics created by canopy gaps, forest edges and bushland glades. Selbyana 16:127-134.
Young, T.P., N. Patridge & A. Macrae. 1995. Long-term glades in acacia bushland and their edge effects in Laikipia, Kenya. Ecological Applications 5: 97-108. pdf
Riginos, Corinna. 2008. Tree-grass interactions is an East African savanna: the role of wild an domestic herbivores. Ph.D. dissertation, University of California, Davis.
Veblen, Kari E. 2008. Livestock and wildlife effects on the successional development of a savanna landscape mosaic in East Africa. Ph.D. dissertation, University of California, Davis.
Kimathi, I. 2008. Effects of fire treatments on the aboveground herbaceous layer primary production in the savanna ecosystem, Laikipia District, Kenya. M.Sc. Diss., University of Nairobi.
Okello, B.N. 2007. Effects of herbivores, fire and harvesting on the population dynamics of Acacia drepanolobium Sjoestedt in Laikipia, Kenya. Ph.D. Dissertation, University of Natal, South Africa.
Sensenig, R.L. 2007. Merging insights from allometric scaling, landscape ecology, and fire ecology to explain the coexistence of large savanna grazers. Ph.D. dissertation, University of California, Davis. See this summary.
Ngatia, L. 2006. Effects of large herbivore exclusion on soil characteristics in Laikipia, Kenya. MSc Diss., University of Nairobi.
Otieno, Silvanos. 2005. Effects of domestic and wild herbivore utilisation on herbaceous layer aboveground primary production in central Kenya savanna. M.Sc. dissertation, University of Nairobi.
Huntzinger, P. Mikaela. 2005. Competition between herbviores of very different body sizes: the effects of large mammals on grasshoppers in Laikipia, Kenya. Ph.D. dissertation, University of California, Davis.
Warui, C. 2004. Impacts of wildlife and cattle grazing on spider (Araneae) biodiversity in a highland savanna ecosystem, in Laikipia, central Kenya. Ph.D. dissertation, Rhodes University, South Africa.
Gadd, Michelle. 2003. Elephant ecology and conservation in African rangelands. Ph.D. dissertation, University of California, Davis.
Odadi, Wilfred. 2002. Cattle foraging behaviour: the influence of large mammalian herbivory in an acacia savanna, Laikipia, Kenya. MSc dissertation, Moi University, Kenya.
Misurelli, Darcy. 2001. Effects of large mammal herbivores on the bird community of an East African savanna. M.Sc. dissertation, SUNY Albany.
Keesing, Felicia. 1997. Ecological interactions between small mammals, large mammals, and vegetation in a tropical savanna of central Kenya. Ph.D. dissertation, University of California at Berkeley.
Veblen, K.E. 2009. Cattle and wildlife afect development of old boma sites. (KLEE Corner #11). Laikipia Wildlife Forum Newsletter. January Issue.
Riginos, C. 2008. Pictorial Guide to the Common Grasses of the Black Cotton Ecosystem of Laikipia.
Wilkerson, M.L. & T. P. Young. 2008. Butterflies and blooms: contrasting effects of cattle and wildlife. (KLEE Corner #10). Laikipia Wildlife Forum Newsletter. May Issue.
Riginos, C. & M. Kinnaird. 2008. What role should Mpala Research Centre and Ranch play in Laikipia? Laikipia Wildlife Forum Newsletter. July issue
Young, T.P. 2008. Cattle do compete with wildlife in Laikipia, even if they are “compatible”. (KLEE Corner #9). Laikipia Wildlife Forum Newsletter. January 2008 Issue.
Pringle, R.M. & D.J. McCauley. 2007. Zebras, giraffes, and snakes in the grass. (KLEE Corner #8). Laikipia Wildlife Forum Newsletter. January 2007 Issue.
Riginos, C. 2007. Tree density affects wild herbivore habitat preferences. Laikipia Wildlife Forum Newsletter. July issue.
Riginos, C. 2007. The Kenya Long-term Exclusion Experiment comes of age. Mpala Wildlife Foundation Newsletter. Fall issue.
Riginos, C. 2006. Cattle, wildlife, and grasses affect bush encroachment. (KLEE Corner #7). Laikipia WildlifeForum Newsletter. July 2006 Issue.
Young, T.P. and J.R. Goheen. 2006. Whistling thorn recruitment is affected in unexpected ways by large mammals. (“KLEE Corner” #6). Laikipia Wildlife Forum Newsletter. January Issue.
Riginos, C. 2006. Cattle, wildlife, and grass affect bush encroachment. Mpala Wildlife Foundation Newsletter. July issue.
Young, T.P. 2005. The pathology of no herbivory: long-term effects of herbivore exclusion in an African savanna. ("KLEE Corner" #5). Laikipia Wildlife Forum Newsletter. March/April Issue.
Goheen, J.R., F. Keesing, B.F. Allan, D. Ogada, R.S. Ostfeld & T.P. Young. 2004. Contrasting the effects of native versus exotic grazers in an East African savanna: establishment of the whistling thorn tree (Acacia drepanolobium). Poster for the 2004 STAR Fellowship Conference. pdf
Young, T.P. 2004. Do elephants lessen competition between cattle and zebras? ("KLEE Corner" #4). Laikipia Wildlife Forum Newsletter. November Issue.
Young, T.P. 2004. Plants fight back. ("KLEE Corner" #3). Laikipia Wildlife Forum Newsletter. May Issue.
Young, T.P. 2003. Rodents take advantage of the absence of large mammals ("KLEE Corner" #2). Laikipia Wildlife Forum Newsletter. November Issue.
Young, T.P. 2003. KLEE: the Kenya Long-term Exclosure Experiment ("KLEE Corner" #1). Laikipia Wildlife Forum Newsletter. March/April Issue.