Page 615 - Atlas Sea Birds Ver1
P. 615
Carpenter-Kling T, de Blocq A, Hagen C, Harding C, Morris T, Crawford RJM, Randall RM, Cook TR, Ryan PG, Dyer BM, Fox R,
Pichegru L, Roberts J, Ryan PG, Wanless RM, McInnes Geldenhuys D, Huisamen J, McGeorge C, Upfold L, Visagie
A. 2022. Important marine areas for endangered African J, Waller LJ, Whittington PA, Wilke CG, Makhado AB. 2016.
penguins before and after the crucial stage of moulting. Cape cormorants decrease, move east and adapt foraging
Scientific Reports 12: 9489. strategies following eastward displacement of their main
Crawford RJM. 2007. Food, fishing and seabirds in the Benguela prey. African Journal of Marine Science 38: 373–383.
upwelling system. Journal of Ornithology 148 (Suppl 2): Crawford RJM, Dyer BM, Geldenhuys L, Oosthuizen WH,
S253–S260. Makhado AB. 2018. Seabird breeding populations decrease
Crawford RJM. 2009. A recent increase of swift terns Thalasseus along the arid coastline of South Africa’s Northern Cape
bergii off South Africa – the possible influence of an province. Ostrich 89: 299–305.
altered abundance and distribution of prey. Progress in Crawford RJM, Sydeman WJ, Thompson SA, Sherley RB, Makhado
Oceanography 83: 398–403. AB. 2019. Food habits of an endangered seabird indicate
Crawford RJM, Cochrane KL. 1990. Onset of breeding by Cape recent poor availability of abundant forage resources. ICES
Gannets Morus capensis influenced by availability of nesting Journal of Marine Science 76: 1344–1352.
material. Ostrich 61: 147–149. Crawford RJM, Sydeman WJ, Tom DB, Thayer JA, Sherley RB,
Crawford RJM, Shelton PA, Cooper J, Brooke RK. 1983. Distribution, Shannon LJ, McInnes AM, Makhado AB, Hagen C, Furness
population size and conservation of the Cape Gannet Morus RW, Carpenter-Kling T, Saraux C. 2022. Food limitation of
capensis. South African Journal of Marine Science 1: 153– seabirds in the Benguela ecosystem and management of
174. their prey base. Namibian Journal of Environment 6 A: 1–13.
Crawford RJM, David JHM, Williams AJ, Dyer BM. 1989. Da Rocha N, Oppel S, Prince S, Matjila S, Shaanika TM, Naomab
Competition for space: recolonising seals displace C, Yates O, Paterson JRB, Shimooshili K, Frans E, Kashava
endangered, endemic seabirds off Namibia. Biological S, Crawford R. 2021. Reduction in seabird mortality in
Conservation 48: 59–72. Namibian fisheries following the introduction of bycatch
Crawford RJM, Cooper J, Dyer BM. 1995. Conservation of an regulation. Biological Conservation 253: 108915.
increasing population of Great White Pelican Pelecanus David JHM. 1989. Seals. In: Payne AIL, Crawford RJM (eds).
onocrotalus in South Africa's Western Cape. South African Oceans of Life off Southern Africa. Vlaeberg, Cape Town,
Journal of Marine Science 15: 33–42. pp. 288–302.
Crawford RJM, Davis SA, Harding R, Jackson LF, Leshoro TM, Dean WRJ, Dowsett RJ, Sakko A, Simmons RE. 2002. New
Meÿer MA, Randall RM, Underhill LG, Upfold L, van Dalsen records and amendments to the birds of Angola. Bulletin of
AP, van der Merwe E, Whittington PA, Williams AJ, Wolfaardt the British Ornithologists’ Club 122: 180–185.
AC. 2000. Initial impact of the Treasure oil spill on seabirds Dyer BM, Cooper J, Crawford RJM, Sherley RB, Somhlaba S,
off western South Africa. South African Journal of Marine Cockcroft A, Upfold L, Makhado AB. 2019. Geographical
Science 22: 157–176. and temporal variation in the diet of Bank Cormorants
Crawford RJM, Dundee BL, Dyer BM, Klages NTW, Meÿer MA, Phalacrocorax neglectus in South Africa. Ostrich 90: 373–
Upfold L. 2007a. Trends in numbers of Cape Gannets 390.
(Morus capensis), 1956/57–2005/06, with a consideration Dyer BM, Crawford RJM, Hagen C, Kotze PGH, Upfold L, Visagie
of the influence of food and other factors. ICES Journal of JL, Makhado AB. 2024. Coastal breeding sites of seabirds
Marine Science 64: 169–177. between Cape Agulhas and Mossel Bay. This volume.
Crawford RJM, Dyer BM, Kemper J, Simmons RE, Upfold L. 2007b. Erasmus VE, Currie B, Roux J-P, Elwen SH, Kalola MS, Tjizoo
Trends in numbers of Cape Cormorants (Phalacrocorax B, Kathena JN, Iitembu JA. 2021. Predatory species left
capensis) over a 50-year period, 1956–57 to 2006–07. Emu stranded following the collapse of the sardine Sardinops
107: 253–261. sagax (Pappe, 1854) stock off the northern Benguela
Crawford RJM, Cockroft AC, Dyer BM, Upfold L. 2008. Divergent upwelling system: a review. Journal of Marine Systems 224:
trends in Bank Cormorants Phalacrocorax neglectus 103623.
breeding in South Africa’s Western Cape consistent with Fox C, Taylor RH, Crawford RJM. 2024. Breeding by seabirds at
a distributional shift of rock lobsters Jasus lalandii. African Lake St Lucia, KwaZulu-Natal. This volume.
Journal of Marine Science 30: 161–166. Frost PGH, Siegfried WR, Cooper J. 1976. Conservation of the
Crawford RJM, Underhill LG, Altwegg R, Dyer BM, Upfold L. 2009. jackass penguin (Spheniscus demersus (L.)). Biological
Trends in numbers of Kelp Gulls Larus dominicanus off Conservation 9: 79–99.
western South Africa, 1978–2007. Ostrich 80: 139–143. Green DB, Coetzee JC, Rishworth GM, Pistorius PA. 2015.Foraging
Crawford RJM, Altwegg R, Barham BJ, Barham PJ, Durant JM, distribution of Cape gannets in relation to oceanographic
Dyer BM, Geldenhuys D, Makhado AB, Pichegru L, Ryan features, prey availability and marine protected areas.
PG, Underhill LG, Upfold L, Visagie J, Waller LJ, Whittington Marine Ecology Progress Series 537: 277–288.
PA. 2011. Collapse of South Africa’s penguins in the early Grémillet D, Pichegru L, Kuntz G, Woakes AG, Wilkinson S,
21 century: a consideration of food availability. African Crawford RJM, Ryan PG. 2008. A junk-food hypothesis for
st
Journal of Marine Science 33: 139–156. gannets feeding on fishery waste. Proceedings of the Royal
Crawford RJM, Kemper J, Underhill LG. 2013. African Penguin Society of London B: Biological Sciences 275: 1149–1156.
(Spheniscus demersus). In: Garcia Borboroglu P, Boersma Hagen C. 2022. De Hoop for Penguins. African Birdlife 10 (7): 67.
PD (eds). Penguins Natural History and Conservation. Hofmeyr GJG. 2015. Arctocephalus pusillus pusillus. The IUCN
University of Washington Press, Seattle and London, pp. Red List of Threatened Species 2015: e.T2066A66991045.
211–231. https://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.
Crawford RJM, Makhado AB, Waller LJ, Whittington PA. 2014. T2066A66991045.en. Accessed on 04 January 2023.
Winners and losers – responses to recent environmental IUCN. 2022. IUCN Red List Categories and Criteria: Version 3.1.
change by South African seabirds that compete with purse- Second edition. IUCN, Gland, Switzerland and Cambridge,
seine fisheries for food. Ostrich 85: 111–117. UK, iv + 32 pp.
Crawford RJM, Makhado AB, Whittington PA, Randall RM, Johnson RL, Venter A, Bester MN, Oosthuizen WH. 2006. Seabird
Oosthuizen WH, Waller LJ. 2015. A changing distribution of predation by white shark and Cape fur seal at Dyer Island.
seabirds in South Africa – the possible impact of climate and South African Journal of Wildlife Research 36: 23–32.
its consequences. Frontiers in Ecology and Evolution 3: 10, Kemper J. 2015. African Penguin (Jackass Penguin) Spheniscus
10 pp. demersus. In: Simmons RE, Brown CJ, Kemper J (eds).
609

