Seasonal pattern of breeding by Cape and Crowned Cormorants off western South Africa

Ostrich

Volumn 70, Issue 3-4, 1999, Pages 193-195

  Crawford, Robert J M ^a   Dyer, Bruce M ^a   Upfold, Leshia ^a  

^a MARINE AND COASTAL MANAGEMENT   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0007057948     PISSN: 00306525     EISSN: 1727947X     Source Type: Journal    
DOI: 10.1080/00306525.1999.9634234     Document Type: Article

References (21)

1. Berry, H.H. 1976. Physiological and behavioural ecology of the Cape Cormorant Phalacrocorax capensis. Madoqua 9(4) :5-55.
2. Cooper, J., Brooke, R.K., Shelton, PA. & Crawford, RJ.M. 1982. Distribution, population size and conservation of the Cape Cormorant Phalacrocorax capensis. Fish. Bull. S. Afr. 16: 121-143.
3. Crawford, R.J.M. 1997a. Cape Cormorant. In: Harrison, J.A., Allan, D.G., Underhill, L.G., Herremans, M., Tree, A.J., Parker, V. & Brown, C.J. (eds). The Atlas of Southern African Birds. Johannesburg; BirdLife South Africa. Vol. 1: 32-33.
4. Crawford, R.J.M. 1997b. Crowned Cormorant. In: Harrison, J. A., Allan, D.G., Underhill, L.G., Herremans, M., Tree, A.J., Parker, V. & Brown, C.J. (eds). The Atlas of Southern African Birds. Johannesburg; BirdLife South Africa. Vol. 1: 38-39.
5. Crawford, RJ.M., Boonstra, H.G.V.D., Dyer, B.M. & Upfold, L. 1995a. Rccolonization of Robben Island by African Penguins, 1983-1992. In: Dann, P., Norman, I. & Reilly, P. (eds). The penguins: ecology and management. Chipping Norton, Australia; Surrey Beatty & Sons: 333-363.
6. Crawford, R.J.M. & Cochranc, K.L. 1990. Onset of breeding by Cape Gannets Morus capensis influenced by availability of nesting material. Ostrich 61: 147-149.
7. Crawford, R.J.M., Cooper, J. & Shelton, P.A. 1982b. Distribution, population size, breeding and conservation of the Kelp Gull in southern Africa. Ostrich 53: 164-177.
8. Crawford, R.J.M. & Dyer, B.M. 1995. Responses by four seabird species to a fluctuating availability of Cape Anchovy Engraulis capensis ofT South Africa. Ibis 137: 329-339.
9. Crawford R.J.M., Dyer, B.M., Cordes, I. & Williams, AJ. 1999. Seasonal pattern of breeding, population trend and conservation status of Bank Cormorants Phalacrocorax neglectus off southwestern Africa. Biological Conservation 87: 49-58.
10. Crawford, R.J.M., Nel, D.C., Williams, A.J. & Scott, A. 1997. Seasonal patterns of abundance of Kelp Gulls Larus dominicanus at breeding and non-breeding localities in southern Africa. Ostrich. 68(1): 37-41.
11. Crawford, R.J.M., Shelton, P.A., Brooke, R.K. & Cooper, J. 1982a. Taxonomy, distribution, population size and conservation of the Crowned Cormorant Phalacrocorax coronatus. Gerfaut 72: 3-30.
12. Crawford, R.J.M., Underhill, L.G., Raubcnheimer, C.M., Dyer, B.M. & Martin, J. 1992. Top predators in the Benguela ecosystem-implications of their trophic position. S. Afr. J. mar. Sci. 12: 675-687.
13. Crawford, R.J.M., Williams, A.J. & Crawford, P.B. 1986. A note on mortality of seabirds off western southern Africa, October 1985-February 1986. S. Afr. J. mar. Sci. 4: 119-123.
14. Crawford, R.J.M., Williams, A.J., Hofmeyr, J.H., Klages, N.T.W., Randall, R.M., Cooper, J., Dyer, B.M. & Chesselet, Y. 1995b. Trends of African Penguin Spheniscvs demersus populations in the 20th century. S. Afr. J. mar. Sci. 16: 101-118.
15. Duffy, D.C., Berruti, A., Randall, R.M. & Cooper, J. 1984. Effects of the 1982-3 warm water event on the breeding of South African seabirds. S. Afr J. Sci. 80: 65-69.
16. Hall, R.E., Johnston, J. & Lilien, D.M. 1990. MicroTSP User's Manual. Irvine, California; Quantitative Micro Software.
17. Jackson, H. 1932. The Government Guano Islands. Farming in S. Afr. 7: 380.
18. Jackson, H. 1933. Report on the Government Guano Islands. Farming in S. Afr. 8: 518.
19. Rand, R.W. 1960. The biology of guano-producing sea-birds. 3. The distribution, abundance and feeding habits of the cormorants Phalacrocoracidae off the south-western coast of the Cape Province. Investl Rep. Div. Fish. S. Afr. 42: 1-32.
20. Randall, R.M., Randall, B.M., Batchelor, A.L. & Ross, G J.B. 1981. The status of seabirds associated with islands in Algoa Bay, South Africa, 1973-1981. Cormorant 9: 85-104.
21. Shelton, P.A., Crawford, R.J.M., Kriel, F. & Cooper, J. 1982. Methods used to census three species of southern African seabirds, 1978 1981. Fish. Bull. S. Afr. 16: 115-120.