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Crawford RJM 1997. Impact of the Apollo Sea oil spill on the colonies of African Penguins Spheniscus demersus at Dassen and Robben Islands, South Africa.

Crawford RJM, Simmons RE 1997. Dama Tern. The Atlas of Southern African Birds 1 480-481

Villacastin-Herrero CA, Crawford RJM, Field JG 1992. Statistical correlations between purse-seine catches of chub mackerel off South Africa and selected environmental parameters. South African Journal of Marine Science 12 (1) 157-165

Downloadable files:

Attachment	Size
Statistical correlations between purse seine catches of chub mackerel off South Africa and selected environmental parameters.pdf	677.24 KB

Crawford RJM, Allwright DM, Heyl CW 1992. High mortality of Cape Cormorants (Phalacrocorax capensis) off Western South Africa in 1991 caused by Pasteurella multocida. Colonial Waterbirds 15 236-238

Website link:http://www.jstor.org/stable/1521458

Crawford RJM, Underhill LG, Raubenheimer CM, Dyer BM, Martin J 1992. Top predators in the Benguela ecosystem - implications of their trophic position. South African Journal of Marine Science 12 (1) 675-687

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Attachment	Size
Top predators in the Benguela ecosystem.pdf	1.29 MB

Shannon LV, Crawford RJM, Pollock DE, Hutchings L, Boyd AJ, Taunton-Clark J, Badenhorst A, Melville-Smith R, Augustyn CJ, Kochrane KL, Hampton I, Nelson G, Japp DW, Tarr RJQ 1992. The 1980s - a decade of change in the Benguela ecosystem. South African Journal of Marine Science 12 271 – 296

Downloadable files:

Attachment	Size
The 1980s_a decade of change in the Benguela ecosystem.pdf	2.79 MB

Rae CMD, Boyd AJ, Crawford RJM 1992. Predation of anchovy by an Agulhas ring - a possible contributory cause of the very poor year-class of 1989. South African Journal of Marine Science 12 167-173

Downloadable files:

Attachment	Size
Predation of anchovy by an Agulhas ring.pdf	739.3 KB

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