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Kemper J, Underhill LG, Crawford RJM, Kirkman SP 2007. Chapter 42: Revision of the conservation status of seabirds and seals breeding in the Benguela Ecosystem. Final Report of the BCLME (Benguela Current Large Marine Ecosystem) Project on Top Predators as Biological Indicators of Ecosystem Change in the BCLME. Avian Demography Unit, Cape Town 325-342
Crawford RJM, Underhill LG, Upfold L, Dyer BM 2007. An altered carrying capacity of the Benguela upwelling ecosystem for African penguins (Spheniscus demersus). ICES Journal of Marine Science 64 570-576
Crawford RJM 2007. Chapter 20: Trends in numbers of three cormorants Phalacrocorax spp. breeding in South Africa's Western Cape Province. Final Report of the BCLME (Benguela Current Large Marine Ecosystem) Project on Top Predators as Biological Indicators of Ecosystem Change in the BCLME Kirkman SP 173-178
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Trends in numbers of three cormorants Phalacrocorax spp_2007.pdf 628.31 KB
Crawford RJM 2007. Food, fishing and seabirds in the Benguela upwelling system. Journal of Ornithology 148 (2) 253-260
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Food_fishing and seabirds in the Benguela upwelling system_2007.pdf 243.22 KB
Kemper J, Underhill LG, Crawford RJM, Kirkman SP 2007. Chapter 42: Revision of the conservation status of seabirds and seals breeding in the Benguela Ecosystem. Final report of the BCLME (Benguela Current Large Marine Ecosystem) project on top predators as Biological Indicators of Ecosystem Change in the BCLME Kirkman SP 325-342
Crawford RJM, Dyer BM, Kemper J, Simmons RE, Upfold L 2007. Trends in numbers of Cape Cormorants (Phalacrocorax capensis) over a 50-year period, 1956-57 to 2006-08. Emu 107 1 - 9
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Trends in numbers of Cape Cormorants.pdf 253.71 KB
Kemper J, Crawford RJM 2007. Chapter 5: Report on the availability and quality of seabird information. Final Report of the BCLME (Benguela Current Large Marine Ecosystem) Project on Top Predators as Biological Indicators of Ecosystem Change in the BCLME. Avian Demography Unit, Cape Town Kirkman SP 31-36
David JHM, Curry P, Crawford RJM, Randall RM, Underhill LG, Meÿer MA 2003. Assessing conservation priorities in the Benguela ecosystem, South Africa: analysing predation by seals on threatened seabirds. Biological Conservation 114 (2) 289-292
Oschadleus HD, Dyer BM, Crawford RJM, Upfold L 2003. Sociable Weaver roadside nest densities in southern Namibia. Lanioturdus 36 (3) 12-17
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Sociable Weaver roadside nest densities in southern Namibia.pdf 301.93 KB

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