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Sherley RB, Makhado AB, Crawford RJM, Hagen C, Kemper J, Ludynia K, Masotla MJ, McInnes A, Pichegru L, Tom D, Upfold L, Waller LJ 2024. The African Penguin Spheniscus demersus should be considered Critically Endangered. Ostrich 95 (3)

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The African Penguin Spheniscus demersus should be considered Critically Endangered.pdf	670.38 KB

Makhado AB, Braby R, Dyer BM, Kemper J, Mcinnes AM, Tom D, Crawford RJM 2021. Seabirds of the Benguela Ecosystem: Utilisation, long-term changes and challenges. Birds - Challenges and opportunities for business, conservation and research Mikkola H

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Seabirds of the Benguela Ecosystem.pdf	990.95 KB

Sherley RB, Crawford RJM, de Blocq AD, Dyer BM, Geldenhuys D, Hagen C, Kemper J, Makhado AB, Pichegru L, Upfold L, Visagie J, Waller LJ, Winker H 2020. The conservation status and population decline of the African penguin deconstructed in space and time. Ecology and Evolution 10 (15) 8506-8516

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The conservation status and population decline of the African penguin deconstructed in space and time.pdf	965.34 KB

Sherley RB, Crawford RJM, Dyer BM, Kemper J, Makhado AB, Masotla M, Pichegru L, Pistorius PA, Roux J-P, Ryan PG, Tom D, Upfold L, Winker H 2019. The status and conservation of the Cape Gannet Morus capensis. Ostrich 90 (4) 335-346

Website link:https://www.ajol.info/index.php/ostrich/article/view/192070

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

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Report on the availability and quality of seabird information_2007.pdf	35.09 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. Avian Demography Unit, Cape Town 325-342

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Revision of the conservation status of seabirds and seals breeding in the Benguela Ecosystem_2007.pdf	616.42 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

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Conservation status of seabirds and seals breeding in Benguela Ecosystem.pdf	616.42 KB

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

Crawford RJM, Hemming M, Kemper J, Klages NTW, Randall RM, Underhill LG, Venter AD, Ward VL, Wolfaardt AC 2006. S24-2 Molt of the African penguin, Spheniscus demersus, in relation to its breeding season and food availability. Acta Zoologica Sinica 53 (Supplement) 444-447

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Crawford_2006_Acta_Zool_Sinica_Molt_Afrcn_Penguin.pdf	619.36 KB

Crawford RJM, David JHM, Shannon LJ, Kemper J, Klages NTW, Roux J-P, Underhill LG, Ward VL, Williams AJ, Wolfaardt AC 2001. African penguins as predators and prey - coping (or not) with change. South African Journal of Marine Science 23 (1) 435-447

Website link:http://www.ingentaconnect.com/content/nisc/sajms/2001/00000023/00000001/art00032

Villacastin-Herrero CA, Underhill LG, Crawford RJM, Shannon LV 1996. Sea-surface temperature of oceans surrounding subequatorial Africa - seasonal patterns, spatial coherence and long-term trends. South Africa Journal of Science 92 189-197

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Sea_surface temperature of oceans surrounding subequatorial Africa.pdf	1.05 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

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

Siegfried WR, Crawford RJM, Shannon LV, Pollock DE, Payne AIL, Krohn RG 1990. Scenarios for global-warming induced change in the open-ocean environment and selected fisheries of the west-coast of southern Africa. South African Journal of Science 86 281 – 285

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Scenarios for global_warming induced change in the open_ocean environment and selected fisheries of the west_coast of southern Africa.pdf	649.04 KB

Crawford RJM, Siegfried WR, Shannon LV, Villacastin-Herrero CA, Underhill LG 1990. Environmental-influences on marine biota off southern Africa. South Africa Journal of Science 86 330-339

Website link:https://www.researchgate.net/publication/292622490_Environmental_influences_on_marine_biota_off_Southern_Africa

Shannon LV, Crawford RJM, Brundrit GB, Underhill LG 1988. Responses of fish populations in the Benguela ecosystem to environmental change. Journal Du Conseil 45 5 – 12

Website link:https://doi.org/10.1093/icesjms/45.1.5

Crawford RJM, Shannon LV, Pollock DE 1987. The Benguela ecosystem. Part IV. The major fish and invertebrate resources. Oceanography and Marine Biology Annual Review 25 353-505

Website link:http://onlinelibrary.wiley.com/doi/10.1002/iroh.19880730415/abstract

Shannon LV, Crawford RJM, Duffy DC 1984. Pelagic fisheries and warm events - a comparative study. South Africa Journal of Science 80 51-60

Website link:http://agris.fao.org/agris-search/search.do?recordID=US201302553810

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