A lack of genetic variation in commercially bred Nile crocodiles (Crocodylus niloticus) in the North-West Province of South Africa

Water SA

Volumn 26, Issue 1, 2000, Pages 105-110

  Flint, N S ^a   Van Der Bank, F H ^a   Grobler, J P ^b  

^a UNIVERSITY OF JOHANNESBURG   (South Africa)

^b UNIVERSITY OF LIMPOPO   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

COMMERCIAL SPECIES; CROCODILIAN; GENETIC VARIATION; INBREEDING;

SOUTH AFRICA;

CROCODYLUS NILOTICUS;

EID: 0033969875     PISSN: 03784738     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (31)

1. ADAMS SE, SMITH MH and BACCUS R (1980) Biochemical variation in the American alligator (Alligator mississipiensis). Herpetologica 36 (4) 289-296.
2. AYALA FJ (1982) Population and Evolutionary Genetics: A Primer. The Benjamin/Cummings Publishing Company, Inc., Menlo Park, California. 268 pp.
3. BAKER HG and STEBBINS GL (eds.) (1965) The Genetics of Colonising Species. Academic Press, New York, USA.
4. BLAKE DK and JACOBSEN NHG (1992) The conservation status of the Nile crocodile (Crocodylus niloticus) in South Africa. In: Smith GA and Marais J (eds.) (1992) Conservation and Utilisation of the Nile Crocodile in South Africa - Handbook on Crocodile Farming. The Crocodilian Study Group of Southern Africa, RSA. 11-21.
5. BRANCH WR (ed.) (1988) South African Red Data Book - Reptiles and Amphibians. A Report to the Committee for Nature Conservation National Programme for Ecosystem Research. South African National Scientific Programmes Report No. 151, August 1988. 241 pp.
6. CAVALLI-SFORZA LL and BODMER WF (1971) The Genetics of Human Populations. Freeman, San Francisco, USA.
7. CHABRECK RH (1967) The American alligator - Past, present and future. Proc. Annu. Conf. Southeastern Ass. Game Fish Comm. 21 554-558.
8. DEEMING DC and FERGUSON MWJ (1989) In the heat of the nest. New Scientist 121 33-38.
9. DENSMORE LD (1983) Biochemical and immunological systematics of the order Crocodilia. Evolutionary Biol. 16 397-465.
10. GARTSIDE DF, DESSAUER HC and JOANEN T (1977) Genic homozygosity in an ancient reptile Alligator mississipiensis. Biochem. Genet. 15 (7-8) 655-664.
11. GRAHAM A, SIMBOTWE PM and HUTTON JM (1992) Monitoring of an exploited crocodile population on the Okavango River, Botswana. In: Hutton JM and Games I (1992) The CITES Nile Crocodile Project. A Publication of Secretarial of the Convention of International Trade in Endangered Species of Wild Fauna and Flora, Lausanne, Switzerland. 53-69.
12. GONCHURENKO GG, PADUTOV VE and SILIN AE (1992) Population structure, gene diversity and differentiation in a natural population of cedar pines (Pinus subsect cembae, Pinaceae) in USSR. Plant Syst. Evol. 182 121-134.
13. HARRIS H and HOPKINSON DA (1976) Handbook of Enzyme Electrophoresis in Human Genetics. North-Holland Publishing Company, Amsterdam. American Elsevier Publishing Company, Inc., New York.
14. JACOBSEN NHG (1988) The Nile crocodile. In: Branch WR (ed.) (1988) South African Red Data Book - Reptiles and Amphibians. A Report to the Committee for Nature Conservation National Programme for Ecosystem Research. South African National Scientific Programmes Report No. 151, August 1988. 83-85.
15. th Working Meeting of the Crocodile Specialist Group, IUCN - The World Conservation Union, Gland, Switzerland. Volume 1. 72-76.
16. LAWSON R, KOFRON CP and DESSAUER HC (1989) Allozyme variation in a natural population of the Nile crocodile. Am. Zool. 29 863-871.
17. LESLIE AJ (1997) Ecology and Physiology of the Nile Crocodile. Crocodylus niloticus, in Lake St. Lucia, Kwazulu-Natal, South Africa. Ph.D. Thesis. Drexel Univ., Philadelphia, USA. 316 pp.
18. LEVINS R (1968) Evolution in Changing Environments: Some Theoretical Considerations. Princeton University Press, Princeton. New Jersey, USA.
19. MARAIS J (1990) Pity the poor croc! Custos 19 (5) 14.
20. MARAIS J (1991) Crocodile farming cares tor conservation. Conserva 6 (2) 8-10.
21. MARKERT CL and FAULHABER I (1965) Lactate dehyrogenase isozyme patterns of fish. J. Exp. Biol. 35 156-191.
22. MENZIES RA, KUSHLAN J and DESSAUER HC (1979) Low degree of genetic variability in the American alligator. Isozyme Bull. 12 61.
23. MENZIES RA and KUSHLAN J (1991) Low degree of genetic variability in the American crocodile. Isozyme Bull. 25 (3) 357-361.
24. MULDER PFS (1992) CITES listing of the Nile crocodile in South Africa. In: Smith GA and Marais J (eds.) (1992) Conservation and Utilisation of the Nile Crocodile in South Africa - Handbook on Crocodile Farming. The Crocodilian Study Group of Southern Africa. RSA. IV-V.
25. NEVO E (1978) Genetic variation in natural populations. Patterns and theory. Theor. Popul. Biol. 13 121-177.
26. PATTERSON R (1987) Reptiles of Southern Africa. C. Struik (Pty) Ltd., Cape Town, RSA. 128 pp.
27. SCHMIDT W (1998) Personal communication. Kwena Gardens Crocodile Farm, North-West Province, South Africa.
28. SIMPSON GG (1953) The Major Features of Evolution. Columbia Univ. Press, New York, USA.
29. SMITH GA and MARAIS J (1993) The current status and future prospects of crocodile farming in South Africa. In: Hecht T and Britz PJ (1993) Aquaculture '92. Proc. of the Aquaculture Ass. of South. Afr., Number 1. 171-176.
30. VAN DER BANK FH, GROBLER JP and DU PREEZ HH (1992) A comparative biochemical genetic study of three populations of domesticated and wild African catfish (Clarias gariepinus). Comp. Biochem. Physiol. 101B 387-390.
31. WHITT GS (1970) Developmental genetics of the lactate dehyrogenase isozymes of fish. J. Exp. Biol. 175 1-35.