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Displaying results 1 - 8 of 8Click/tap on any title to see full details of the record
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
Dyer BM, Cooper J, Crawford RJM, Sherley RB, Somhlaba S, Cockcroft A, Upfold L, Makhado AB 2020. Geographical and temporal variation in the diet of Bank Cormorants Phalacrocorax neglectus in South Africa. Ostrich 90 (4) 373-390
Website link:https://www.ajol.info/index.php/ostrich/article/view/192097
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
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, 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
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An altered carrying capacity of the Benguela upwelling ecosystem for African penguins.pdf 229.47 KB
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
Dyer BM, Chesselet Y 2002. First Atlantic records of the Red-Footed Booby Sula sula and Brown Booby S. leucogaster in southern Africa. Marine Ornithology 30 36-37
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First Atlantic records of the Red_Footed Booby and Brown Booby in southern Africa.pdf 377.89 KB
Crawford RJM, Williams AJ, Hofmeyr JH, Klages NTW, Randall RM, Cooper J, Dyer BM, Chesselet Y 1995. Trends of African Penguin Spheniscus demersus populations in the 20th-century. South African Journal of Marine Science 16 (1) 101-118
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Trends of African Penguin Spheniscus demersus populations in the 20th_century.pdf 1.28 MB
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