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Displaying results 1 - 13 of 13Click/tap on any title to see full details of the record
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
Crawford RJM, Shelton PA, Cooper J, Brooke RK 2010. Distribution, population size and conservation of the Cape gannet Morus capensis. South African Journal of Marine Science 1 (1) 153-174
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Distribution_population size and conservation of the Cape gannet Morus capensis_2010.pdf 1.97 MB
Berruti A, Underhill LG, Shelton PA, Moloney C, Crawford RJM 1993. Seasonal and interannual variation in the diet of 2 colonies of the Cape Gannet (Morus capensis) between 1977-78 and 1989. Colonial Waterbirds 16 1977 – 1978
Crawford RJM, Cruickshank RA, Shelton PA, Kruger I 1985. Partitioning of a goby resource amongst four avian predators and evidence for altered trophic flow in the pelagic community of an intense perennial upwelling system. South African Journal of Science 3 (1) 215–228
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Partitioning of a goby resource amongst 4 avian predators.pdf 1.13 MB
Shelton PA, Crawford RJM, Cooper J, Brooke RK 1984. Distribution, population size and conservation of the Jackass Penguin Spheniscus demersus. South African Journal of Marine Science (2) 217 - 257
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Distribution_population size and conservation of the Jackass Penguin Spheniscus demersus.pdf 2.72 MB
Website link:http://www.tandfonline.com/doi/abs/10.2989/02577618409504370#.VIbEumctBHg
Crawford RJM, Shelton PA, Berruti A 1983. Cape Cormorants as potential indicators of pelagic fish stocks off southern Africa. South Africa Journal of Science 79 466-468
Brooke RK, Cooper J, Shelton PA, Crawford RJM 1982. Taxonomy, distribution, population size, breeding and conservation of the Whitebreasted Cormorant Phalacrocorax carbo on the southern African coast. Gerfaut 72 188-200
Website link:http://www.fitzpatrick.uct.ac.za/fitz/publications/scientific/archive/1982
Crawford RJM, Shelton PA, Brooke RK, Cooper J 1982. Taxonomy, distribution, population size and conservation of the Crowned Cormorant Phalacrocorax coronatus. Gerfaut 72 3 - 30
Cooper J, Brooke RK, Shelton PA, Crawford RJM 1982. Distribution, population size and conservation of the Cape Cormorant Phalacrocorax capensis. Fisheries Bulletin of South Africa 16 121 - 143
Website link:http://agris.fao.org/agris-search/search.do?recordID=US201302158405
Crawford RJM, Cooper J, Shelton PA 1982. Distribution, population size, breeding and conservation of the Kelp Gull in southern Africa. Ostrich: Journal of African Ornithology 53 (3) 164-177
Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1982.9634747#.VSvNlmf9kpE
Crawford RJM, Cooper J, Shelton PA 1981. The breeding population of White Pelicans Pelecanus onocrotalus at Bird Rock platform in Walvis Bay, 1949-1978. Fisheries Bulletin of South Africa 15 67 - 70
Website link:http://www.adu.uct.ac.za/adu/projects/sea-shore-birds/sites/namibia/walvis-bay
Crawford RJM, Shelton PA 1981. Population trends for some southern African seabirds related to fish availability. Proceedings of the Symposium on Birds of the Sea and Shore Cooper, J. 15-41
Crawford RJM, Shelton PA, Batchelor AL, Clinning CF 1980. Observations on the mortality of juvenile Cape Cormorants Phalacrocorax capensis during 1975 and 1979. Fisheries Bulletin of South Africa (13) 69 - 75
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