Evaluating herbivore extinction probabilities in Addo Elephant National Park, South Africa

African Zoology

Volumn 36, Issue 1, 2001, Pages 13-22

  Knight, M H ^a   Kshatriya, M ^b   Van Jaarsveld, A S ^b   Nicholls, A O ^c   Hall Martin, A J ^a  

^a SOUTH AFRICAN NATIONAL PARKS   (South Africa)

^b UNIVERSITY OF PRETORIA   (South Africa)

^c CSIRO   (Australia)

Author keywords

Census; Extinction risk

Indexed keywords

EID: 0040970377     PISSN: 15627020     EISSN: None     Source Type: Journal    
DOI: 10.1080/15627020.2001.11657109     Document Type: Article

References (25)

1. BARRATT, D.G. & HALL-MARTIN, A.J. 1991. The effect of indigenous browsers on valley bushveld in the Addo Elephant National Park. In: Proceedings of the First Valley Bushveld/Subtropical Thicket Symposium, (eds) P.U.K. Racharias, G.C. Stuart-Hill & O. Midgley, pp. 14-16. Grassland Society of Southern Africa, Howick, South Africa.
2. BOYCE, M.S. 1992. Population viability analysis. Annual Reviews of Ecology and Systematics 23: 481-506.
3. CAUGHLEY, G. 1994. Directions in conservation biology. Journal of Animal Ecology 63: 215-244.
4. COWLING, R.M. 1984. A syntaxonomic and synecological study in the Humansdorp region of the fynbos biome. Bothalia 15: 175-227.
5. DENNIS, B. & TAPER, M.L. 1994. Density dependence in time series observations of natural populations: estimation and testing. Ecological Monographs 64: 205-224.
6. DENNIS, B., MULHOLLAND, P.L. & SCOTT, J.M. 1991. Estimation of growth and extinction parameters for endangered species. Ecological Monographs 61: 115-143.
7. EISELEN, 1994. R. Estimating the trends in herbivore numbers in the Southern District of the Kruger National Park. South African Journal of Wildlife Research 24: 95-100.
8. FOLEY, P. 1994. Predicting extinction times from environmental stochasticity and carrying capacity. Conservation Biology 8: 124-137.
9. HALL-MARTIN, A.J. 1992. Distribution and status of the African elephant Loxodonta africana in South Africa, 1652-1992. Koedoe 35: 65-88.
10. HALL-MARTIN, A.J. 1986. Recruitment in a small black rhino population. Pachyderm 7: 68.
11. HALL-MARTIN, A.J. & VAN DER WALT, P.T. 1981. Management plan for the Addo Elephant National Park. Internal Report, National Parks Board, Pretoria.
12. HANSKI, I. & GILPIN, M. 1991. Metapopulation dynamics: brief history and conceptual domain. Biological Journal of the Linnean Society 42: 3-16.
13. KERLEY, G.I.H., KNIGHT, M.H., & DE KOCK, M. 1995. Desertification of subtropical thicket in the Eastern Cape, South Africa: are there alternatives? Environmental Monitoring and Assessment 37: 211-230.
14. LAWS, R.M., PARKER, I.S.C. & JOHNSTONE, R.C.B. 1975. Elephants in Their Habitat. Clarendon Press, Oxford.
15. KERLEY, G.I.H. & BOSHOFF, A. 1997. Proposal for a Greater Addo National Park: A Regional and National Conservation and Development Opportunity. Terrestrial Ecology Research Unit, University of Port Elizabeth.
16. KNIGHT, M.H. & HALL-MARTIN, A.J. 1993. Helicopter census of Addo Elephant National Park. Internal report. National Parks Board, Kimberley.
17. MOOLMAN, H.J. & COWLING, R.M. 1994. The impact of elephant and goat grazing on the endemic flora of South African succulent thicket. Biological Conservation 68: 53-61.
18. NICHOLLS, A.O., VILJOEN, P.C., KNIGHT, M.H. & VAN JAARSVELD, A.S. 1996. Evaluating population persistence of censused and unmanaged herbivore populations from the Kruger National Park, South Africa. Biological Conservation 76: 57-67.
19. NOVELLIE, P.A. & KNIGHT, M.H. 1994. Repatriation and translocation of ungulates into South African national parks: an assessment of past attempts. Koedoe 37: 115-119.
20. OWEN-SMITH, R.N. 1983. Dispersal and the dynamics of large herbivores in enclosed areas: implications for management. In: Management of Large Mammals in African Conservation Areas, (ed.) N. Owen-Smith, pp. 127-144. Haum, Pretoria.
21. PULLIAM, H.R. 1988. Sources, sinks, and population regulation. American Naturalist 132: 652-661.
22. REILLY, B.K. & HASKINS, C.I. 1999. Comparative efficiency of two game counting techniques as applied to Suikerbosrand Nature Reserve. South African Journal of Wildlife Research 29: 89-97.
23. SOULÉ, M.E. (ed.) 1987. Viable Populations for Conservation. Cambridge University Press, Cambridge.
24. VAN JAARSVELD, A.S., NICHOLLS, A.O. & KNIGHT, M.H. 1999. Evaluating extinction risks in fragmented South African elephant (Loxodonta africana) populations: conservation and management implications. Environmental Monitoring and Assessment 4:155-163.
25. WALKER, B.H. 1981. Is succession a viable concept in African savannah ecosystems? In: Forest Succession: Concepts and Application, (eds) D.H. West, H.H. Shugart & D.B. Botkin. Springer, New York.