Managing the elephants of Kruger National Park

Animal Conservation

Volumn 1, Issue 2, 1998, Pages 77-83

  Whyte, Ian ^a   Van Aarde, Rudi ^b   Pimm, Stuart L ^b,c  

^a KRUGER NATIONAL PARK   (South Africa)

^b UNIVERSITY OF PRETORIA   (South Africa)

^c UNIVERSITY OF TENNESSEE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ELEPHANT; ELEPHANTIDAE;

EID: 0002095251     PISSN: 13679430     EISSN: None     Source Type: Journal    
DOI: 10.1017/S1367943098000018     Document Type: Article

References (54)

1. Barnes, R. F. W. (1980). The decline of the baobab tree in Ruaha National Park, Tanzania. Afr. J. Ecol. 18: 243-252.
2. Barnes, R. F. W. (1983). Effects of elephant browsing on woodlands in a Tanzanian National Park: measurements, models and management. J. appl. Ecol. 20: 521-540.
3. Barnes, R. F. W. & Kapela, E. B. (1991). Changes in the Ruaha elephant population caused by poaching. Afr. J. Ecol. 29: 289-294.
4. Ben-Shahar, R. (1996). Woodland dynamics under the influence of elephants and fire in northern Botswana. Vegetagio 123: 153-163.
5. Bertschinger, H. J., Fayrer-Hosken, R., Kirkpatrick, J. R., Soley, J. T., Steffens, W. & Ard, M. (1996). Immunochemistry of the elephant zona pellucida using anti-pZP antibodies. Int. Conf. Fert. control for Wildl. Mgmt. Great Keppel Island. Queensland, Australia.
6. Calef, G. W. (1988). Maximum rate of increase in the African elephant. Afr. J. Ecol. 26: 323-327.
7. Caughley, G. (1976). The elephant problem - an alternative hypothesis. E. Afr. Wildl. J. 14: 265-283.
8. Caughley, G., Dublin, H., & Parker, I. (1990). Projected decline of the African elephant. Biol. Conserv. 54: 157-164.
9. Cumming, D. H., Fenton, M.B., Rautenbach, I. L., Taylor, R. D., Cumming, C. S., Dunlop, J. M., Ford, A. G., Hovorka, M. D., Johnstohn, D. S., Kalcounis, M., Malangu, Z. & Portfors, C. V. R. (1997). Elephants, woodlands and biodiversity in southern Africa. S. Afr. J. Sci. 93: 231-236.
10. de Villiers, D. J., Skinner, J. D. & Hall-Martin, A. J. (1989). Circulating progesterone concentrations and ovarian functional anatomy in the African elephant (Loxodonta africana). J. Reprod. Fert. 86: 195-201.
11. Dobson, A. P. (1993). Effect of fertility control on elephant population dynamics. J. Reprod. Fert. 90. Supplement 293-298.
12. Douglas-Hamilton, I. (1987). African elephants: population trends and their causes. Oryx 12: 11-24.
13. Dublin, H. T. (1994). Vegetation dynamics in the Serengeti-Mara ecosystem: the role of elephants, fire, and other factors. In Serengeti II: dynamics, management, and conservation of an ecosystem: 71-90. Sinclair, A. R. E. & Arcese, P. (Eds). Chicago: University of Chicago Press.
14. Dublin, H. T., Sinclair, A. R. E. & McGlade, J. (1990). Elephants and fire as causes of multiple stable states in the Serengeti-Mara woodlands. J. Anim. Ecol. 59: 1147-1164.
15. Dunham, K. M. (1988). Demographic changes in the Zambezi Valley elephants. J. Zool., Lond. 215: 382-388.
16. Greyling, M. D., van Aarde, R. J. & Potgieter, H. C. (1997). Ligand specificity of uterine oestrogen and progesterone receptors in the subadult African elephant. J. Reprod. Fert. 109: 199-204.
17. Greyling, M. D., Ford, M., Potgieter, H. C. & van Aarde, R. J. (In press). Influence of gestation and uterine steroid receptor concentrations in the African elephant, Loxodonta africana. Biol. Reprod. 58.
18. Guy, P. R. (1982). Baobabs and elephants. Afr. J. Ecol. 20: 215-220.
19. Hachman, H. (1980). Population dynamics of the elephants in the Kasungu National Park, Malawi. Neth. J. Zool. 30: 622-634.
20. Hanks, J. and McIntosh, J. E. A. (1973). Population dynamics of the African elephant (Loxodonta africana). J. Zool., Lond. 169: 29-38.
21. Hess, D. L., Schmidt, A. M. & Schmidt, J. (1983). Reproductive cycle of the Asian elephant (Elaphus maximus) in captivity. Biol. Reprod. 28: 767-773.
22. Hodges, J. K., Heistermann, M., Beard, A. & van Aarde, R. J. (1997). Concentrations of progesterone and the 5α-reduced progestins, 5α-pregnane-3,20-dione and 3α-hydroxy-5α-pregnane-20-one, in luteal tissue and circulating blood and their relationship to luteal function in the African elephant. Loxodonta africana. Biol. Reprod. 56: 640-646.
23. Hodges, J. K., van Aarde, R. J., Heisterman, M. & Hoppen, H. O. (1994). Progestin content and biosenthetic potential of the corpus luteum of the African elephant (Loxodonta africana). J. Reprod. Fert. 102: 163-168.
24. Hoeft, R. & Hoeft, M. (1995). The differential effects of elephants on rain forest communities in the Shimba Hills, Kenya. Biol. Conserv. 73: 67-79.
25. Jachmann, H. & Croes, T. (1991). Effects of browsing by elephants on the Combretum/Terminalia woodland at the Nazinga Game Ranch. Burkina Faso, West Africa. Biol. Conserv. 57: 13-24.
26. Joubert, S. C. J. (1986). Masterplan for the management of the Kruger National Park. Unpublished internal memorandum. Skukuza: National Parks Board.
27. Kirkpatrick, J. F., Liu, I. M. K., Turner, J. W., Naugle, R. & Keiper, R. (1992). Long-term effects of porcine zonae pellucidae immunocontraception on ovarian function in feral horses (Equus caballus). J. Reprod. Fert. 94: 437-444.
28. Kirkpatrick, J. F., Turner, J. W. & Liu, I. K. M. (1996). Case studies in wildlife immunocontraception; wild horses and white-tailed deer. Int. Conf. Fert. Cont. Wildl. Mgmt. Great Keppel Island: Queensland, Australia.
29. Laws, R. M. (1970). Elephants as agents of habitat and landscape change in East Africa. Oikos 21: 1-15.
30. Laws, R. M. and Parker, I. S. C. (1968). Recent studies on elephant populations in East Africa. Symp. Zool. Soc. Lond. 21: 319-359.
31. Laws, R. M., Parker, I. S. & Johnstone, R. C. B. (1975). Elephants and their habitats. Oxford: Clarendon Press.
32. Lawton, R. M. & Gough, M. (1970). Elephants or fire - which to blame? Oryx 10: 244-248.
33. Leuthold, W. (1996). Recovery of woody vegetation in Tsavo National Park, Kenya, 1970-94. Afr. J. Ecol. 34: 101-112.
34. Lewis, D. M. (1984). Demograghic changes in the Luangwa Valley elephants. Biol. Conserv. 29: 7-14.
35. Li, J. J., Li, S. A., Parsons, J. K. & Lam, L. T. K. (1983). Relative carcinogenic activity of various synthetic and natural estrogens in the Syrian hamster kidney. Cancer Res. 43: 5200-5204.
36. Li, J. J., Oberley, T., Haaf, H., Goldfarb, S. & Pugh, T. A. (1988). Estrogen carcinogenicity: hormonal, morhological and chemical interactions. In Chemical carcinogens. Activation mechanisms, structural and electrical factors, and reactivity: 312-321. Politzer, P. A. & Roberts, L. (Eds). Amsterdam: Elsevier Science Publishers.
37. Mahi-Brown, C.A., Yanagimachi, R., Nelso, M. L., Yanagmachi, H. & Palrimbo, N. (1989). Ovarian histopathology of bitches immunized with porcine zonae pellucidae. Am. J. Reprod. Immun. Microbiology 18: 94-103.
38. McNeilly, A. S., Martin, R. D., Hodges, J. K. & Smuts, G. L. (1983). Blood concentrations of gonadotrophins, prolactin and gonadal steroids in males and in non-pregnant and pregnant female African elephants (Loxodonta africana). J. Reprod. 67: 113-120.
39. Parker, I. S. C. & Graham, A. D. (1989). Elephant decline: downward trends in African elephant distribution and numbers (Part II). Int. J. Env. Stud. 35: 13-26.
40. Paterson, M., Koothan, P. T., Morris, K. D., O'Byrne, K. T., Braude, P., Williams A. & Aitken, R. J. (1992). Analysis of the contraceptive potential of antibodies against native and deglycoylated porcine ZP3 in vivo and in vitro. Biol. Reprod. 46: 523-534.
41. Paterson, M., Wilson, M. R., van Duin, M. & Aitken, R. J. (1996). Evaluation of the potential of recombinant marmoset ZP3 and an immunodominant marmoset ZP3 peptide. J. Reprod. Fert. Abstr. 18: 30.
42. Pienaar, U de V., van Wyk, P. & Fairall, N. (1966). An aerial census of elephant and buffalo in the Kruger National Park and the implications thereof on intended management schemes. Koedoe 9: 40-107.
43. Plotka, E. D., Seal, U. S., Schobert, E. E. & Schmoller, G. C. (1975). Serum progesterone and estrogens in elephants. Endocr. 97: 485-487.
44. Short, R. V. (1992). Elephants and birth control. New Sci. 135: 21-23.
45. Smuts, G. L. (1975). Reproduction and population characteristics of elephants in the Kruger National Park. J. S. Afr. Wildl. Mgmt Ass. 5: 1-10.
46. Spinage, C. A. (1973). A review of ivory exploitation and elephant population trends in Africa. E. Afr. Wildl. J. 11: 281-289.
47. The Economist. (1996). Conservation family planning for pachyderms. November 16th, 107.
48. Trollope, W. S. W., Trollope, L. A., Biggs, H. C., Pienaar, D. & Potgieter, A. L. F. (In press). Long term changes in the woody vegetation of Kruger National Park, with special reference to the effects of elephants and fire. Koedoe.
49. Turner, J. W., Liu, I. K. M. & Kirkpatrick, J. F. (1992). Remotely delivered immunocontraception in captive white-tailed deer. J. Wildl. Mgmt 56: 154-157.
50. Vaughn Kirby, F. (1896). In haunts of wild game. Edinburgh: Blackwood & Sons.
51. Viljoen, A. J. (1988). Long term changes in the tree component of the vegetation in Kruger National Park. In Long term data series relating to southern Africa's renewable natural resources: 310-315.
52. Walker, B. H., Emslie, R. H. Owen-Smith, R. N. & Scholes, R. J. (1987). To cull or not to cull: lessons from a southern African drought. J. appl. Ecol. 24: 381-401.
53. Whyte, I. J. (In prep). Population biology and movements of elephant Loxodonta africana (Blumenbach 1797) in the Kruger National Park. PhD thesis, University of Pretoria.
54. Whyte, I. J. & Grobler, D. (1997). The current status of contraception research in the Kruger National Park. Scientific report 13/97. Skukuza, National Parks Board.