The influence of rainfall on zebra population dynamics: Implications for management

Journal of Applied Ecology

Volumn 40, Issue 1, 2003, Pages 125-136

  Georgiadis, Nicholas ^a   Hack, Mace ^a,b,d   Turpin, Katherine ^a,c  

^a MPALA RESEARCH CENTRE   (Kenya)

^b PRINCETON UNIVERSITY   (United States)

^c DARTMOUTH COLLEGE   (United States)

^d NEBRASKA GAME AND PARKS COMMISSION   (United States)

Author keywords

Africa; Carrying capacity; Density dependence; Harvest; Herbivore; Model; Rainfall dependence; Sustainable yield

Indexed keywords

CARRYING CAPACITY; CONSERVATION MANAGEMENT; HARVESTING; MAXIMUM SUSTAINABLE YIELD; POPULATION DYNAMICS; RAINFALL; WILDLIFE MANAGEMENT;

KENYA;

EQUIDAE; EQUUS; EQUUS BURCHELLII; UNGULATA;

EID: 0037324923     PISSN: 00218901     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2664.2003.00796.x     Document Type: Article

References (45)

1. Arnold, S.F. (1990) Mathematical Statistics. Prentice Hall, New Jersey.
2. Campbell, B.M., Dore, D., Luckert, M., Mukamuri, B. & Gambiza, J. (2000) Economic comparisons of livestock production in communal grazing lands in Zimbabwe. Ecological Economics, 33, 413-438.
3. Caro, T.M. (1999) Densities of mammals in partially protected areas: the Katavi ecosystem of western Tanzania. Journal of Applied Ecology, 36, 205-217.
4. Caughley, G. (1987) Ecological relationships. Kangaroos: Their Ecology and Management in the Sheep Rangelands of Australia (eds G. Caughley, N. Shepherd & J. Short), pp. 159-187. Cambridge University Press, Cambridge.
5. Caughley, G. & Gunn, A. (1993) Dynamics of large herbivores in deserts: kangaroos and caribou. Oikos, 67, 47-55.
6. Coe, M.J., Cummings, D.H. & Phillipson, J. (1976) Biomass and production of Large African herbivores in relation to rainfall and primary production. Oecologia, 22, 341-354.
7. Deshmukh, I.K. (1984) A common relationship between precipitation and grassland peak biomass for East and southern Africa. African Journal of Ecology, 22, 181-186.
8. Du Toit, J.T. & Cumming, D.H.M. (1999) Functional significance of ungulate diversity in African savannas and the ecological implications of the spread of pastoralism. Biodiversity and Conservation, 8, 1643-1661.
9. Dublin, H.T., Sinclair, A.R.E., Boutin, S., Anderson, E., Jago, M. & Arcese, P. (1990) Does competition regulate ungulate populations? Further evidence from Serengeti, Tanzania. Oecologia, 82, 283-288.
10. Dye, P.J. & Spear, P.T. (1982) The effect of bush clearing and rainfall variability on grass yield and composition in southwest Zimbabwe. Zimbabwe Journal of Agricultural Research, 20, 103-117.
11. East, R. (1984) Rainfall, soil nutrient status and biomass of large African savanna mammals. African Journal of Ecology, 22, 245-270.
12. 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.
13. Fynn, R.W.S. & O'Connor, T.G. (2000) Effect of stocking rate and rainfall on rangeland dynamics and cattle performance in a semi-arid savanna, South Africa. Journal of Applied Ecology, 37, 491-507.
14. Gaillard, J.M., Festa-Bianchet, M., Yoccoz, N.G., Loison, A. & Toigo, C. (2000) Temporal variation in fitness components and population dynamics of large herbivores. Annual Review of Ecology and Systematics, 31, 367-393.
15. Gasaway, W.C., Gasaway, K.T. & Berry, H. (1996) Persistent low densities of plains ungulates in Etosha National Park, Namibia: testing the food-regulating hypothesis. Canadian Journal of Zoology, 74, 1556-1572.
16. Green, P. (1984) Iteratively re-weighted least squares for maximum likelihood estimation, and some robust and resistant alternatives. Journal of the Royal Statistical Society B, 46, 149-162.
17. Illius, A.W., Derry, J.F. & Gordon. I.J. (1998) Evaluation of strategies for tracking climatic variation in semi-arid grazing systems. Agricultural Systems, 57, 381-398.
18. Illius, A.W. & Gordon, I.J. (1999) Scaling up from functional response to numerical response in vertebrate herbivores. Herbivores: Between Plants and Predators (eds H. Olff, V.K. Brown & R.H. Drent), pp. 447-473. Blackwell Science, Oxford.
19. Illius, A.W. & O'Connor, T.G. (1999) On the relevance of non-equilibrium concepts to semi-arid grazing systems. Ecological Applications, 9, 798-813.
20. Illius, A.W. & O'Connor, T.G. (2000) Resource heterogeneity and ungulate population dynamics. Oikos, 89, 283-294.
21. Klingel, H. (1969) The social organization and population ecology of the plains zebra (Equus quagga). Zoologica Africana, 4, 249-263.
22. Klingel, H. (1975) Social organization and reproduction in equids. Journal of Reproduction and Fertilitysupplement, 23, 7-11.
23. Le Houérou, H.N., Bingham, R.L. & Skerbeck, W. (1988) Relationship between the variability of primary production and the variability of annual precipitation in world arid lands. Journal of Arid Environments, 15, 1-18.
24. Martin, R. & Thomas, S. (1991) Quotas for sustainable wildlife utilization in Communal Lands. Manual for District Councils with Appropriate Authority. The Zimbabwe Trust,
25. McLeod, S. (1997) Is the concept of carrying capacity useful in varying environments? Oikos, 79, 529-542.
26. Mduma, S., Sinclair, A.R.E. & Hilborn, R. (1999) Food regulates the Serengeti wildebeest: a 40-year record. Journal of Animal Ecology, 68, 1101-1122.
27. Munthali, S.M. & Banda, H.M. (1992) Distribution and abundance of the common ungulates of Nyika National Park, Malawi. African Journal of Ecology, 30, 203-212.
28. Musters, C.J.M., de Graaf, H.J. & ger Keurs, W.J. (2000) Can protected areas be expanded in Africa? Science, 287, 1759-1760.
29. Norton Griffiths, M. (1978) Counting Animals. African Wildlife Foundation, Nairobi.
30. Ohsawa, H. (1982) Transfer of group members in plains zebra (Equus burchelli) in relation to social organization. African Study Monographs, 2, 53-71.
31. Owen-Smith, N. (2000) Modeling the population dynamics of a subtropical ungulate in a variable environment: rain, cold and predators. Natural Resources Modeling, 13, 57-87.
32. Pascual, M.A. & Hilborn, R. (1995) Conservation of harvested populations in fluctuating environments: the case of the Serengeti wildebeest. Journal of Applied Ecology, 32, 468-480.
33. Pascual, M.A., Kareiva. P. & Hilborn, R. (1997) The influence of model structure on conclusions about the viability and harvesting of Serengeti wildebeest. Conservation Biology, 11, 966-976.
34. Petersen, J.C.B. & Casebeer, R.L. (1972) Distribution, population status and group composition of wildebeest (Connochaetes taurinus burchell) and zebra (Equus burchelli Gray) on the Athi-Kapiti Plains, Kenya. UNDP Project Working Document, KEN-Y1/526, UNDP, Nairobi, Kenya.
35. Rubenstein, D.I. (1989) Life history and social organization in arid adapted ungulates. Journal of Arid Environments, 17, 145-156.
36. Rutherford, M.C. (1980) Annual plant production-precipitation relations in arid and semi-arid regions. South African Journal of Science, 76, 53-56.
37. Saether, B.-E. (1997) Environmental stochasticity and population dynamics of large herbivores: a search for mechanisms. Trends in Ecology and Evolution, 12, 143-149.
38. Senzota, R.B.M. (1988) Further evidence of exogenous processes regulating the population of zebra in the Serengeti. African Journal of Ecology, 26, 11-16.
39. Sinclair, A.R.E. (1974) The natural regulation of buffalo populations in East Africa. IV. The food supply as a regulating factor, and competition. East African Wildlife Journal, 12, 291-311.
40. Sinclair, A.R.E. (1985) Does interspecific competition or predation shape the African ungulate community? Journal of Animal Ecology, 54, 899-918.
41. Sinclair, A.R.E., Dublin, H. & Borner, M. (1985) Population regulation of Serengeti wildebeest: a test of the food hypothesis. Oecologia, 65, 266-268.
42. Sinclair, A.R.E. & Norton-Griffiths, M. (1982) Does competition or facilitation regulate migrant ungulate populations in the Serengeti? A test of hypotheses. Oecologia, 53, 364-369.
43. Smuts, G.L. (1976a) Population characteristics of Burchell's zebra (Equus burchelli antiquorum, H. Smith, 1841) in the Kruger National Park. South African Journal of Wildlife Research, 6, 99-112.
44. Smuts, G.L. (1976b) Reproduction in the zebra stallion (Equus burchelli antiquorum) from the Kruger National Park. Zoologica Africana, 11, 207-220.
45. Woodroffe, R. & Ginsberg, J.R. (1998) Edge effects and the extinction of populations inside protected areas. Science, 280, 2126-2128.