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Displaying results 1 - 9 of 9Click/tap on any title to see full details of the record
Cooper J, Crawford RJM, Suter W, Williams AJ 1990. Distribution, population-size and conservation of the Swift Tern Sterna bergii in southern Africa. Ostrich: Journal of African Ornithology 61 (1-2) 56 – 65
Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1990.9633939#.VHsW62ctBHg
Crawford RJM, Williams AJ, Randall RM, Randall BM, Berruti A, Ross GJB 1990. Recent population trends of Jackass Penguins Spheniscus demersus off southern Africa. Biological Conservation 52 (3) 229 – 243
Website link:http://www.sciencedirect.com/science/article/pii/000632079090128C
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
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
Downloadable files:
Attachment Size
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, Underhill LG, Venter JD 1990. Handline catches and stock identity of Snoek Thyrsites atun off South Africa and Namibia. South African Journal of Marine Science 9 95-99
Downloadable files:
Attachment Size
Handline catches and stock identity of Snoek Thyrsites atun off South Africa and Namibia.pdf 1.11 MB
Crawford RJM, Cochrane KL 1990. Onset of breeding by Cape Gannets Morus capensis influenced by availability of nesting material. Ostrich: Journal of African Ornithology 61 (3-4) 147-149
Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1990.9634166#.VSVD7mf9kpE
Williams AJ, Steele WK, Cooper J, Crawford RJM 1990. Distribution, population-size and conservation of Hartlaub's Gull Larus hartlaubii. Ostrich: Journal of African Ornithology 61 (1-2) 66 – 76
Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1990.9633941#.VHL6-1ItBHg
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
Downloadable files:
Attachment Size
Partitioning of a goby resource amongst 4 avian predators.pdf 1.13 MB
Crawford RJM, de Villiers G 1985. Snoek and their prey - interrelationships in the Benguela upwelling system. South African Journal of Science 81 91 – 97
Downloadable files:
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Snoek and their prey.pdf 960.8 KB
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